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      "arm.FEAT_SHA256",
      "arm.FEAT_SHA3",
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      "arm.FEAT_SME_F64F64",
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      "arm.SME_BI32I32",
      "arm.SME_F16F32",
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      "arm.SME_I16I32",
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      "arm64",
      "armv8_1_atomics",
      "armv8_2_fhm",
      "armv8_2_sha3",
      "armv8_2_sha512",
      "armv8_3_compnum",
      "armv8_crc32",
      "armv8_gpi",
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      "neon_fp16",
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        {
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      {
        "fixture": "netflix_checkerboard_1px_1080p",
        "error": "vmaf exited 234: libvmaf WARNING est_params: covariance matrix was singular on 4 of 4 solves"
      },
      {
        "fixture": "netflix_checkerboard_10px_1080p",
        "error": "vmaf exited 234: libvmaf WARNING est_params: covariance matrix was singular on 4 of 4 solves"
      },
      {
        "fixture": "netflix_normal_576x324_10bit",
        "error": "vmaf exited 255: problem generating pooled VMAF score"
      }
    ]
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        "exit_code": 1,
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          {
            "feature": "adm",
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          {
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            "frames": 48,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": "missing metrics: backend_a cpu lacks []; backend_b metal lacks ['cambi']"
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          {
            "feature": "ciede",
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          {
            "feature": "float_adm",
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            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_moment",
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            "tolerance_source": "held-exact:ADR-1496",
            "frames": 48,
            "max_abs_diff": "0",
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            "note": ""
          },
          {
            "feature": "float_motion",
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            "tolerance_source": "held-exact:ADR-1496",
            "frames": 48,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
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            "tolerance_source": "held-exact:ADR-1496",
            "frames": 48,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ms_ssim_chroma",
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          {
            "feature": "float_psnr",
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          {
            "feature": "float_ssim",
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            "feature": "motion_debug",
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            "note": "missing metrics: backend_a cpu lacks []; backend_b metal lacks ['cambi']"
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          {
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            "max_abs_diff": "0",
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          {
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            "frames": 3,
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            "mismatches": 0,
            "note": ""
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          {
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          {
            "feature": "float_vif",
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            "frames": 3,
            "max_abs_diff": "0",
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          {
            "feature": "motion",
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            "max_abs_diff": "0",
            "mismatches": 0,
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          {
            "feature": "motion_debug",
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            "frames": 3,
            "max_abs_diff": "0",
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          {
            "feature": "motion_mffw",
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            "frames": 3,
            "max_abs_diff": "0",
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            "frames": 3,
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          {
            "feature": "cambi",
            "status": "ERROR",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": "missing metrics: backend_a cpu lacks []; backend_b metal lacks ['cambi']"
          },
          {
            "feature": "ciede",
            "status": "OK",
            "tolerance": "1.0000000000000001e-09",
            "tolerance_source": "libm:ADR-1426",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_adm",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_moment",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_motion",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ms_ssim",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ms_ssim_chroma",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ms_ssim_lcs",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_psnr",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_vif",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_debug",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_mffw",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_v2",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_v2_mffw",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "psnr",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "psnr_hvs",
            "status": "FAIL",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0.00074061531867508634",
            "mismatches": 6,
            "note": ""
          },
          {
            "feature": "ssim",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "ssimulacra2",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "vif",
            "status": "FAIL",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "4.6975853537567031e-15",
            "mismatches": 2,
            "note": ""
          }
        ]
      },
      {
        "fixture": "netflix_normal_576x324_10bit",
        "left_out": [],
        "exit_code": 1,
        "cells": [
          {
            "feature": "adm",
            "status": "FAIL",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "2.771189095985048",
            "mismatches": 15,
            "note": ""
          },
          {
            "feature": "cambi",
            "status": "ERROR",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": "missing metrics: backend_a cpu lacks []; backend_b metal lacks ['cambi']"
          },
          {
            "feature": "ciede",
            "status": "OK",
            "tolerance": "1.0000000000000001e-09",
            "tolerance_source": "libm:ADR-1426",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_adm",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_moment",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_motion",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ms_ssim",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ms_ssim_chroma",
            "status": "SKIP",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 0,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": "chroma 288x162 below the 176-pixel minimum of float_ms_ssim_chroma; run it on a pair whose chroma planes clear it"
          },
          {
            "feature": "float_ms_ssim_lcs",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_psnr",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ssim",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_ssim_lcs",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "float_vif",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_debug",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_mffw",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_v2",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "motion_v2_mffw",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "psnr",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "psnr_hvs",
            "status": "FAIL",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "4.8667731316953677e-05",
            "mismatches": 12,
            "note": ""
          },
          {
            "feature": "ssim",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "ssimulacra2",
            "status": "OK",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "0",
            "mismatches": 0,
            "note": ""
          },
          {
            "feature": "vif",
            "status": "FAIL",
            "tolerance": "0",
            "tolerance_source": "held-exact:ADR-1496",
            "frames": 3,
            "max_abs_diff": "2.7474458375031929e-08",
            "mismatches": 12,
            "note": ""
          }
        ]
      }
    ]
  },
  "unit_tests": {
    "status": "fail",
    "reason": null,
    "total": 48,
    "passed": 42,
    "failed": 6,
    "skipped": 0,
    "failures": [
      "test_metal_integer_adm_parity",
      "test_metal_integer_cambi_parity",
      "test_metal_integer_psnr_hvs_parity",
      "test_metal_integer_vif_parity",
      "test_metal_ssimulacra2_parity",
      "test_metal_twin_option_parity"
    ],
    "results": {
      "test_adm_cm_row_rounding": "pass",
      "test_cambi_dispatch_invariance": "pass",
      "test_cambi_simd": "pass",
      "test_cambi_spatial_mask_simd": "pass",
      "test_cambi_stage_simd": "pass",
      "test_cpu": "pass",
      "test_feature_extractor": "pass",
      "test_feature_isa_invariance": "pass",
      "test_float_motion_sad": "pass",
      "test_integer_adm_aim_unclipped": "pass",
      "test_integer_adm_cm_threshold": "pass",
      "test_integer_adm_simd": "pass",
      "test_integer_adm_simd_noise": "pass",
      "test_integer_vif_log2": "pass",
      "test_iqa_convolve": "pass",
      "test_metal_float_adm_parity": "pass",
      "test_metal_float_moment_parity": "pass",
      "test_metal_float_motion_parity": "pass",
      "test_metal_float_ms_ssim_parity": "pass",
      "test_metal_float_psnr_parity": "pass",
      "test_metal_float_ssim_parity": "pass",
      "test_metal_float_vif_parity": "pass",
      "test_metal_install_header": "pass",
      "test_metal_integer_adm_parity": "fail",
      "test_metal_integer_cambi_parity": "fail",
      "test_metal_integer_ciede_parity": "pass",
      "test_metal_integer_motion_parity": "pass",
      "test_metal_integer_psnr_hvs_parity": "fail",
      "test_metal_integer_psnr_parity": "pass",
      "test_metal_integer_ssim_parity": "pass",
      "test_metal_integer_vif_parity": "fail",
      "test_metal_kernel_coverage_audit": "pass",
      "test_metal_kernel_registration": "pass",
      "test_metal_motion_v2_parity": "pass",
      "test_metal_ms_ssim_option_semantics": "pass",
      "test_metal_smoke": "pass",
      "test_metal_ssimulacra2_parity": "fail",
      "test_metal_twin_option_parity": "fail",
      "test_moment_simd": "pass",
      "test_ms_ssim_decimate": "pass",
      "test_ordered_sum": "pass",
      "test_predict": "pass",
      "test_psnr_hvs_dispatch_invariance": "pass",
      "test_psnr_hvs_score": "pass",
      "test_speed": "pass",
      "test_speed_simd": "pass",
      "test_ssimulacra2_simd": "pass",
      "test_version": "pass"
    },
    "cases": {
      "test_metal_float_adm_parity": {
        "test_float_adm_metal_registered": "pass",
        "test_float_adm_default_exact": "pass",
        "test_float_adm_noise_exact": "pass",
        "test_float_adm_10bit_exact": "pass",
        "test_float_adm_12bit_exact": "pass",
        "test_float_adm_16bit_exact": "pass",
        "test_float_adm_odd_frame_exact": "pass",
        "test_float_adm_smallest_frame_exact": "pass",
        "test_float_adm_narrow_frame_exact": "pass",
        "test_float_adm_1080p_exact": "pass",
        "test_float_adm_gain_limit_exact": "pass",
        "test_float_adm_bypass_cm_exact": "pass",
        "test_float_adm_skip_aim_scale_exact": "pass",
        "test_float_adm_view_dist_exact": "pass",
        "test_float_adm_csf_scale_is_a_watson_mode_noop": "pass",
        "test_float_adm_p_norm_one_exact": "pass",
        "test_float_adm_p_norm_reaches_kernel": "pass",
        "test_float_adm_small_sums_are_not_floored": "pass",
        "test_float_adm_metal_rejects_frames_below_17": "pass"
      },
      "test_metal_float_moment_parity": {
        "test_float_moment_metal_registered": "pass",
        "test_float_moment_8bit_exact": "pass",
        "test_float_moment_10bit_exact": "pass",
        "test_float_moment_12bit_exact": "pass",
        "test_float_moment_16bit_exact": "pass",
        "test_float_moment_16bit_bright_exact": "pass",
        "test_float_moment_16bit_past_2_53_exact": "pass"
      },
      "test_metal_float_motion_parity": {
        "test_float_motion_metal_registered": "pass",
        "test_float_motion_ramp_8bit_exact": "pass",
        "test_float_motion_noise_8bit_exact": "pass",
        "test_float_motion_noise_10bit_exact": "pass",
        "test_float_motion_noise_12bit_exact": "pass",
        "test_float_motion_960x540_noise_exact": "pass",
        "test_float_motion_1080p_checkerboard_exact": "pass",
        "test_float_motion_add_scale1_exact": "pass",
        "test_float_motion_add_uv_exact": "pass",
        "test_float_motion_add_scale1_and_uv_exact": "pass",
        "test_float_motion_max_val": "pass",
        "test_float_motion_fps_weight_debug_score": "pass",
        "test_float_motion_motion3": "pass",
        "test_float_motion_one_frame": "pass",
        "test_float_motion_force_zero": "pass",
        "test_float_motion_max_val_out_of_range": "pass"
      },
      "test_metal_float_ms_ssim_parity": {
        "test_float_ms_ssim_metal_registered": "pass",
        "test_float_ms_ssim_order_frame_exact": "pass",
        "test_float_ms_ssim_order_formula_exact": "pass",
        "test_float_ms_ssim_640x480_exact": "pass",
        "test_float_ms_ssim_minimum_and_odd_frame_exact": "pass",
        "test_float_ms_ssim_db_options_exact": "pass",
        "test_float_ms_ssim_clip_db_ceiling_exact": "pass",
        "test_float_ms_ssim_chroma_exact": "pass"
      },
      "test_metal_float_psnr_parity": {
        "test_float_psnr_metal_registered": "pass",
        "test_float_psnr_8bit_exact": "pass",
        "test_float_psnr_10bit_exact": "pass",
        "test_float_psnr_12bit_exact": "pass",
        "test_float_psnr_16bit_exact": "pass",
        "test_float_psnr_10bit_uncapped_exact": "pass",
        "test_float_psnr_16bit_bright_exact": "pass",
        "test_float_psnr_identical_8bit": "pass",
        "test_float_psnr_identical_16bit": "pass",
        "test_float_psnr_16bit_past_2_53_exact": "pass"
      },
      "test_metal_float_ssim_parity": {
        "test_float_ssim_metal_registered": "pass",
        "test_float_ssim_order_frame_exact": "pass",
        "test_float_ssim_order_noise_exact": "pass",
        "test_float_ssim_texture_8bit_exact": "pass",
        "test_float_ssim_texture_hbd_exact": "pass",
        "test_float_ssim_db_options_exact": "pass",
        "test_float_ssim_flat_db_exact": "pass",
        "test_float_ssim_flat_clip_db_exact": "pass"
      },
      "test_metal_float_vif_parity": {
        "test_float_vif_metal_registered": "pass",
        "test_float_vif_default_identical": "pass",
        "test_float_vif_debug_identical": "pass",
        "test_float_vif_model_options_identical": "pass",
        "test_float_vif_skip_scale0_identical": "pass",
        "test_float_vif_scale_minimums_identical": "pass",
        "test_float_vif_10bit_identical": "pass",
        "test_float_vif_small_odd_frame_identical": "pass"
      },
      "test_metal_integer_adm_parity": {
        "test_adm_metal_registered": "pass",
        "test_adm_default_exact": "fail",
        "test_adm_10bit_exact": "fail",
        "test_adm_odd_frame_exact": "fail",
        "test_adm_2160p_exact": "fail",
        "test_adm_sparse_detail_exact": "fail",
        "test_adm_shift_boundary_area_exact": "fail",
        "test_adm_model_options_exact": "fail",
        "test_adm_barten_mode_exact": "fail",
        "test_adm_skip_scale0_exact": "fail",
        "test_adm_tiny_frame_exact": "fail",
        "test_adm_full_range_noise_exact": "fail",
        "test_adm_bright_16bit_exact": "fail",
        "test_adm_isolated_patch_exact": "fail",
        "test_adm_gain_limit_1_2_exact": "fail",
        "test_adm_gain_limit_1_5_exact": "fail",
        "test_adm_rejects_below_min_dim": "pass"
      },
      "test_metal_integer_cambi_parity": {
        "test_cambi_metal_registered": "pass",
        "test_cambi_gradient_exact": "fail",
        "test_cambi_textured_exact": "fail",
        "test_cambi_10bit_exact": "fail",
        "test_cambi_max_val_exact": "fail",
        "test_cambi_vis_lum_threshold_exact": "fail",
        "test_cambi_topk_exact": "fail",
        "test_cambi_window_size_exact": "fail",
        "test_cambi_max_log_contrast_exact": "fail",
        "test_cambi_high_res_speedup_exact": "fail"
      },
      "test_metal_integer_ciede_parity": {
        "test_ciede_metal_registered": "pass",
        "test_ciede_8bit": "pass",
        "test_ciede_10bit": "pass",
        "test_ciede_12bit": "pass",
        "test_ciede_16bit": "pass",
        "test_ciede_odd_frame": "pass",
        "test_ciede_odd_ceil_chroma": "pass",
        "test_ciede_422": "pass",
        "test_ciede_422_10bit_odd": "pass",
        "test_ciede_444": "pass",
        "test_ciede_1080p": "pass"
      },
      "test_metal_integer_motion_parity": {
        "test_integer_motion_metal_registered": "pass",
        "test_integer_motion_default_exact": "pass",
        "test_integer_motion_debug_exact": "pass",
        "test_integer_motion_force_zero_exact": "pass",
        "test_integer_motion_weight_and_cap_exact": "pass",
        "test_integer_motion_blend_exact": "pass",
        "test_integer_motion_exact_twin_default": "pass",
        "test_integer_motion_exact_twin_debug": "pass",
        "test_integer_motion_tiny_frames_exact": "pass",
        "test_integer_motion_odd_and_large_frames_exact": "pass",
        "test_integer_motion_tiny_frames_debug_weight_exact": "pass",
        "test_integer_motion_five_frame_window_8bit": "pass",
        "test_integer_motion_five_frame_window_10bit": "pass",
        "test_integer_motion_metal_rejects_below_3x3": "pass"
      },
      "test_metal_integer_psnr_hvs_parity": {
        "test_psnr_hvs_metal_registered": "pass",
        "test_psnr_hvs_cpu_metal_identical": "fail",
        "test_psnr_hvs_every_depth_identical": "fail",
        "test_psnr_hvs_every_layout_identical": "fail",
        "test_psnr_hvs_luma_only_identical": "fail",
        "test_psnr_hvs_2160p_identical": "fail"
      },
      "test_metal_integer_psnr_parity": {
        "test_integer_psnr_metal_registered": "pass",
        "test_psnr_8bit_exact": "pass",
        "test_psnr_10bit_exact": "pass",
        "test_psnr_12bit_exact": "pass",
        "test_psnr_16bit_exact": "pass",
        "test_psnr_odd_frame_exact": "pass",
        "test_psnr_identical_frames_exact": "pass",
        "test_psnr_options_bit_exact": "pass",
        "test_psnr_min_sse_identical_frames": "pass",
        "test_psnr_apsnr_with_subsample": "pass",
        "test_psnr_defaults_add_no_outputs": "pass"
      },
      "test_metal_integer_ssim_parity": {
        "test_ssim_metal_registered": "pass",
        "test_ssim_8bit": "pass",
        "test_ssim_10bit": "pass",
        "test_ssim_12bit": "pass",
        "test_ssim_16bit": "pass",
        "test_ssim_odd_frame": "pass",
        "test_ssim_tiny_frame": "pass",
        "test_ssim_tiny_frame_16bit": "pass",
        "test_ssim_one_pixel": "pass",
        "test_ssim_1080p": "pass",
        "test_ssim_enable_db": "pass",
        "test_ssim_inverted": "pass",
        "test_ssim_inverted_16bit": "pass",
        "test_ssim_identical": "pass",
        "test_ssim_identical_clipped": "pass",
        "test_ssim_identical_tiny": "pass"
      },
      "test_metal_integer_vif_parity": {
        "test_vif_metal_registered": "pass",
        "test_vif_default_exact": "fail",
        "test_vif_debug_exact": "fail",
        "test_vif_10bit_exact": "fail",
        "test_vif_12bit_exact": "fail",
        "test_vif_gain_limit_exact": "fail",
        "test_vif_skip_scale0_exact": "fail",
        "test_vif_metal_declares_min_dim": "pass",
        "test_vif_metal_direct_init_rejects_below_min": "pass",
        "test_vif_metal_model_boundary": "fail"
      },
      "test_metal_motion_v2_parity": {
        "test_motion_v2_metal_registered": "pass",
        "test_motion_v2_default_exact": "pass",
        "test_motion_v2_weight_and_cap_exact": "pass",
        "test_motion_v2_weight_exact": "pass",
        "test_motion_v2_cap_exact": "pass",
        "test_motion_v2_blend_exact": "pass",
        "test_motion_v2_force_zero_exact": "pass",
        "test_motion_v2_one_frame_exact": "pass",
        "test_motion_v2_exact_twin": "pass",
        "test_motion_v2_tiny_frames_exact": "pass",
        "test_motion_v2_odd_and_large_frames_exact": "pass",
        "test_motion_v2_tiny_frames_options_exact": "pass",
        "test_motion_v2_five_frame_window_8bit": "pass",
        "test_motion_v2_five_frame_window_10bit": "pass",
        "test_motion_v2_metal_rejects_below_3x3": "pass"
      },
      "test_metal_ssimulacra2_parity": {
        "test_ssimulacra2_metal_registered": "pass",
        "test_ssimulacra2_metal_lifecycle": "pass",
        "test_ssimulacra2_exact": "pass",
        "test_ssimulacra2_identical_frames_exact": "pass",
        "test_ssimulacra2_lower_third_exact": "pass",
        "test_ssimulacra2_large_exact": "pass",
        "test_ssimulacra2_odd_frame_exact": "pass",
        "test_ssimulacra2_10bit_exact": "pass"
      },
      "test_metal_twin_option_parity": {
        "test_twin_psnr": "pass",
        "test_twin_psnr_provides": "pass",
        "test_twin_ssim": "pass",
        "test_twin_ssim_provides": "pass",
        "test_twin_float_ssim": "pass",
        "test_twin_float_ssim_provides": "pass",
        "test_twin_float_ms_ssim": "pass",
        "test_twin_float_ms_ssim_provides": "pass",
        "test_twin_float_motion": "pass",
        "test_twin_float_motion_provides": "pass",
        "test_twin_motion": "pass",
        "test_twin_motion_provides": "pass",
        "test_twin_motion_v2": "pass",
        "test_twin_motion_v2_provides": "pass",
        "test_twin_float_psnr": "pass",
        "test_twin_float_psnr_provides": "pass",
        "test_twin_float_moment": "pass",
        "test_twin_float_moment_provides": "pass",
        "test_twin_float_vif": "pass",
        "test_twin_float_vif_provides": "pass",
        "test_twin_float_adm": "pass",
        "test_twin_float_adm_provides": "pass",
        "test_twin_vif": "pass",
        "test_twin_vif_provides": "pass",
        "test_twin_adm": "pass",
        "test_twin_adm_provides": "pass",
        "test_twin_ciede": "pass",
        "test_twin_ciede_provides": "pass",
        "test_twin_psnr_hvs": "pass",
        "test_twin_psnr_hvs_provides": "pass",
        "test_twin_cambi": "fail",
        "test_twin_cambi_provides": "pass",
        "test_twin_ssimulacra2": "pass",
        "test_twin_ssimulacra2_provides": "pass"
      }
    },
    "case_messages": {
      "test_metal_integer_adm_parity": {
        "test_adm_default_exact": "integer_adm_metal differs from the CPU extractor",
        "test_adm_10bit_exact": "integer_adm_metal differs from the CPU extractor at 10 bits",
        "test_adm_odd_frame_exact": "integer_adm_metal differs from the CPU extractor on an odd frame",
        "test_adm_2160p_exact": "integer_adm_metal differs from the CPU extractor at 2160p",
        "test_adm_sparse_detail_exact": "integer_adm_metal differs from the CPU extractor on sparse detail",
        "test_adm_shift_boundary_area_exact": "integer_adm_metal differs from the CPU extractor at the shift boundary",
        "test_adm_model_options_exact": "integer_adm_metal differs from the CPU under the default model options",
        "test_adm_barten_mode_exact": "integer_adm_metal differs from the CPU in Barten mode",
        "test_adm_skip_scale0_exact": "integer_adm_metal differs from the CPU with adm_skip_scale0",
        "test_adm_tiny_frame_exact": "integer_adm_metal differs from the scalar CPU on a tiny frame",
        "test_adm_full_range_noise_exact": "integer_adm_metal differs from the scalar CPU on full-range noise",
        "test_adm_bright_16bit_exact": "integer_adm_metal differs from the scalar CPU on bright 16-bit input",
        "test_adm_isolated_patch_exact": "integer_adm_metal differs from the scalar CPU on isolated patches",
        "test_adm_gain_limit_1_2_exact": "integer_adm_metal differs from the scalar CPU at adm_enhn_gain_limit 1.2",
        "test_adm_gain_limit_1_5_exact": "integer_adm_metal differs from the scalar CPU at adm_enhn_gain_limit 1.5"
      },
      "test_metal_integer_cambi_parity": {
        "test_cambi_gradient_exact": "cambi CPU vs. Metal score is not bit-exact on the gradient",
        "test_cambi_textured_exact": "cambi CPU vs. Metal score is not bit-exact on the textured fixture",
        "test_cambi_10bit_exact": "cambi CPU vs. Metal score is not bit-exact at 10 bits",
        "test_cambi_max_val_exact": "cambi CPU vs. Metal differs with cambi_max_val",
        "test_cambi_vis_lum_threshold_exact": "cambi CPU vs. Metal differs with cambi_vis_lum_threshold",
        "test_cambi_topk_exact": "cambi CPU vs. Metal differs with cambi_topk",
        "test_cambi_window_size_exact": "cambi CPU vs. Metal differs with window_size",
        "test_cambi_max_log_contrast_exact": "cambi CPU vs. Metal differs with max_log_contrast",
        "test_cambi_high_res_speedup_exact": "cambi CPU vs. Metal differs with cambi_high_res_speedup at 1080p"
      },
      "test_metal_integer_psnr_hvs_parity": {
        "test_psnr_hvs_cpu_metal_identical": "the psnr_hvs twin must return the CPU's psnr_hvs scores bit for bit (ADR-1397)",
        "test_psnr_hvs_every_depth_identical": "the psnr_hvs twin must return the CPU's psnr_hvs scores bit for bit (ADR-1397)",
        "test_psnr_hvs_every_layout_identical": "the psnr_hvs twin must return the CPU's psnr_hvs scores bit for bit (ADR-1397)",
        "test_psnr_hvs_luma_only_identical": "the psnr_hvs twin must return the CPU's psnr_hvs scores bit for bit (ADR-1397)",
        "test_psnr_hvs_2160p_identical": "the psnr_hvs twin must return the CPU's psnr_hvs scores bit for bit (ADR-1397)"
      },
      "test_metal_integer_vif_parity": {
        "test_vif_default_exact": "integer_vif_metal is not bit-identical to the CPU vif extractor",
        "test_vif_debug_exact": "integer_vif_metal debug outputs are not the CPU's bit for bit",
        "test_vif_10bit_exact": "integer_vif_metal is not bit-identical to the CPU at 10 bits",
        "test_vif_12bit_exact": "integer_vif_metal is not bit-identical to the CPU at 12 bits",
        "test_vif_gain_limit_exact": "integer_vif_metal is not bit-identical to the CPU with vif_enhn_gain_limit=1.0",
        "test_vif_skip_scale0_exact": "integer_vif_metal is not bit-identical to the CPU with vif_skip_scale0",
        "test_vif_metal_model_boundary": "above the minimum integer_vif_metal must match the CPU `vif`"
      },
      "test_metal_twin_option_parity": {
        "test_twin_cambi": "the Metal twin's options or flags differ from the CPU's"
      }
    }
  },
  "golden_gate": {
    "status": "not_applicable",
    "total": 0,
    "passed": 0,
    "failed": 0,
    "skipped": 0,
    "failures": [],
    "reason": "the Python golden stack is not in the macOS bundle; the Netflix pairs are covered by the dispatch and reference checks"
  },
  "metal_rows": {
    "status": "fail",
    "counts": {
      "pass": 3,
      "fail": 5,
      "not_measured": 11
    },
    "rows": [
      {
        "id": "T-GATE-NO-METAL-BACKEND-2026-10-02",
        "verdict": "fail",
        "evidence": [
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "adm",
            "result": "FAIL",
            "max_abs_diff": "2.8142593182341735"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "adm",
            "result": "FAIL",
            "max_abs_diff": "0.49736109243464238"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "adm",
            "result": "FAIL",
            "max_abs_diff": "0.52261743481103107"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "adm",
            "result": "FAIL",
            "max_abs_diff": "2.771189095985048"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "cambi",
            "result": "ERROR",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "cambi",
            "result": "ERROR",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "cambi",
            "result": "ERROR",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "cambi",
            "result": "ERROR",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "5.9827698351000436e-12"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_ms_ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_ms_ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_ms_ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_ms_ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_ms_ssim_chroma",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_ms_ssim_chroma",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion_v2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion_v2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion_v2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion_v2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion_v2_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion_v2_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion_v2_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion_v2_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "psnr_hvs",
            "result": "FAIL",
            "max_abs_diff": "8.3700350348436814e-05"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "psnr_hvs",
            "result": "FAIL",
            "max_abs_diff": "0.0017120996739343752"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "psnr_hvs",
            "result": "FAIL",
            "max_abs_diff": "0.00074061531867508634"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "psnr_hvs",
            "result": "FAIL",
            "max_abs_diff": "4.8667731316953677e-05"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "ssimulacra2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "ssimulacra2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "ssimulacra2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "ssimulacra2",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "vif",
            "result": "FAIL",
            "max_abs_diff": "2.9649233623807447e-08"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "vif",
            "result": "FAIL",
            "max_abs_diff": "1.4605700704439784e-08"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "vif",
            "result": "FAIL",
            "max_abs_diff": "4.6975853537567031e-15"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "vif",
            "result": "FAIL",
            "max_abs_diff": "2.7474458375031929e-08"
          }
        ]
      },
      {
        "id": "T-METAL-FLOAT-PSNR-FP32-BLOCK-SUMS-2026-10-02",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_8bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_10bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_12bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_16bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_10bit_uncapped_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_16bit_bright_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_identical_8bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_identical_16bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_psnr_parity",
            "case": "test_float_psnr_16bit_past_2_53_exact",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_psnr_metal",
            "metric": "float_psnr",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_psnr_metal",
            "metric": "float_psnr",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_psnr_metal",
            "metric": "float_psnr",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_psnr_metal",
            "metric": "float_psnr",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_psnr",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-MOTION-SAD-SCORE-NOT-EMITTED-2026-10-02",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_default_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_force_zero_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_debug_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_motion_provides",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "integer_motion_metal",
            "metric": "VMAF_integer_feature_motion_sad_score",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "integer_motion_metal",
            "metric": "VMAF_integer_feature_motion_sad_score",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "integer_motion_metal",
            "metric": "VMAF_integer_feature_motion_sad_score",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "integer_motion_metal",
            "metric": "VMAF_integer_feature_motion_sad_score",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion3",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-FLOAT-MOMENT-16BIT-SQUARES-2026-10-02",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_moment_parity",
            "case": "test_float_moment_8bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_moment_parity",
            "case": "test_float_moment_10bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_moment_parity",
            "case": "test_float_moment_12bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_moment_parity",
            "case": "test_float_moment_16bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_moment_parity",
            "case": "test_float_moment_16bit_bright_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_moment_parity",
            "case": "test_float_moment_16bit_past_2_53_exact",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref2nd",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis2nd",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref2nd",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis2nd",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref2nd",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis2nd",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis1st",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_moment_metal",
            "metric": "float_moment_ref2nd",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_moment_metal",
            "metric": "float_moment_dis2nd",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_moment",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-SSIM-FRAME-SUM-ORDER-2026-10-01",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_8bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_10bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_12bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_16bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_odd_frame",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_tiny_frame",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_tiny_frame_16bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_one_pixel",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_1080p",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_enable_db",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_inverted",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_inverted_16bit",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "integer_ssim_metal",
            "metric": "ssim",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "integer_ssim_metal",
            "metric": "ssim",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "integer_ssim_metal",
            "metric": "ssim",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "integer_ssim_metal",
            "metric": "ssim",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "ssim",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-CIEDE-CPU-ARITHMETIC-2026-10-01",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_8bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_10bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_12bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_16bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_odd_frame",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_odd_ceil_chroma",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_422",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_422_10bit_odd",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_444",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ciede_parity",
            "case": "test_ciede_1080p",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "integer_ciede_metal",
            "metric": "ciede2000",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "integer_ciede_metal",
            "metric": "ciede2000",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "integer_ciede_metal",
            "metric": "ciede2000",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "integer_ciede_metal",
            "metric": "ciede2000",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "5.9827698351000436e-12"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "ciede",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-FLOAT-ADM-CPU-ARITHMETIC-2026-10-01",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_default_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_noise_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_10bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_12bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_16bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_odd_frame_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_smallest_frame_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_narrow_frame_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_1080p_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_gain_limit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_bypass_cm_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_skip_aim_scale_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_view_dist_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_csf_scale_is_a_watson_mode_noop",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_p_norm_one_exact",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_adm_metal",
            "metric": "aim",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_adm_metal",
            "metric": "aim",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_adm_metal",
            "metric": "adm_scale3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_adm_metal",
            "metric": "adm2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_adm_metal",
            "metric": "adm3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_adm_metal",
            "metric": "aim",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_adm_metal",
            "metric": "adm_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_adm_metal",
            "metric": "adm_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_adm_metal",
            "metric": "adm_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_adm_metal",
            "metric": "adm_scale3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_adm_metal",
            "metric": "adm2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_adm_metal",
            "metric": "adm3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_adm_metal",
            "metric": "aim",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_adm_metal",
            "metric": "adm_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_adm_metal",
            "metric": "adm_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_adm_metal",
            "metric": "adm_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_adm_metal",
            "metric": "adm_scale3",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_adm",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-FLOAT-ADM-FRAME-SUM-FLOOR-2026-10-01",
        "verdict": "pass",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_small_sums_are_not_floored",
            "result": "pass"
          }
        ]
      },
      {
        "id": "T-GPU-FLOAT-ADM-TINY-FRAME-FLOOR-2026-10-01",
        "verdict": "pass",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_adm_parity",
            "case": "test_float_adm_metal_rejects_frames_below_17",
            "result": "pass"
          }
        ]
      },
      {
        "id": "T-GPU-FLOAT-MOTION-CPU-FLOAT-SUM-2026-10-01",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_ramp_8bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_noise_8bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_noise_10bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_noise_12bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_960x540_noise_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_1080p_checkerboard_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_add_scale1_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_add_uv_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_add_scale1_and_uv_exact",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_motion_metal",
            "metric": "motion",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_motion_metal",
            "metric": "motion2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_motion_metal",
            "metric": "motion",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_motion_metal",
            "metric": "motion2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_motion_metal",
            "metric": "motion",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_motion_metal",
            "metric": "motion2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_motion_metal",
            "metric": "motion",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_motion_metal",
            "metric": "motion2",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_motion",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-FLOAT-VIF-CPU-ARITHMETIC-2026-10-01",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_vif_parity",
            "case": "test_float_vif_default_identical",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_vif_parity",
            "case": "test_float_vif_debug_identical",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_vif_parity",
            "case": "test_float_vif_model_options_identical",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_vif_parity",
            "case": "test_float_vif_skip_scale0_identical",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_vif_parity",
            "case": "test_float_vif_scale_minimums_identical",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_vif_parity",
            "case": "test_float_vif_10bit_identical",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_vif_parity",
            "case": "test_float_vif_small_odd_frame_identical",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_vif_metal",
            "metric": "vif_scale3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_vif_metal",
            "metric": "vif_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_vif_metal",
            "metric": "vif_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_vif_metal",
            "metric": "vif_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_vif_metal",
            "metric": "vif_scale3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_vif_metal",
            "metric": "vif_scale0",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_vif_metal",
            "metric": "vif_scale1",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_vif_metal",
            "metric": "vif_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_vif_metal",
            "metric": "vif_scale3",
            "result": "not_run"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_vif",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-FLOAT-MS-SSIM-CPU-ARITHMETIC-2026-10-01",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_ms_ssim_parity",
            "case": "test_float_ms_ssim_order_frame_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_ms_ssim_parity",
            "case": "test_float_ms_ssim_order_formula_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_ms_ssim_parity",
            "case": "test_float_ms_ssim_640x480_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_ms_ssim_parity",
            "case": "test_float_ms_ssim_minimum_and_odd_frame_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_ms_ssim_parity",
            "case": "test_float_ms_ssim_db_options_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_ms_ssim_parity",
            "case": "test_float_ms_ssim_clip_db_ceiling_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_ms_ssim_parity",
            "case": "test_float_ms_ssim_chroma_exact",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_ms_ssim_metal",
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          },
          {
            "kind": "metric",
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            "metric": "float_ms_ssim",
            "result": "not_run"
          },
          {
            "kind": "metric",
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            "metric": "float_ms_ssim",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "gate",
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          },
          {
            "kind": "gate",
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            "result": "OK",
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          },
          {
            "kind": "gate",
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            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_ms_ssim",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_ms_ssim_chroma",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_ms_ssim_chroma",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "float_ms_ssim_lcs",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-GPU-INTEGER-VIF-MIN-DIM-TWINS-2026-09-29",
        "verdict": "fail",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_metal_declares_min_dim",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_metal_direct_init_rejects_below_min",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_metal_model_boundary",
            "result": "fail"
          }
        ]
      },
      {
        "id": "T-METAL-INTEGER-VIF-FP32-GAIN-2026-10-03",
        "verdict": "fail",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_default_exact",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_debug_exact",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_10bit_exact",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_12bit_exact",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_gain_limit_exact",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_skip_scale0_exact",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_vif_parity",
            "case": "test_vif_metal_model_boundary",
            "result": "fail"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "integer_vif_metal",
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            "result": "not_run"
          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
            "metric": "integer_vif_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
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          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
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          },
          {
            "kind": "metric",
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            "result": "not_run"
          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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            "result": "not_run"
          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
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            "result": "not_run"
          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
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            "result": "not_run"
          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
            "metric": "integer_vif_scale2",
            "result": "not_run"
          },
          {
            "kind": "metric",
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            "extractor": "integer_vif_metal",
            "metric": "integer_vif_scale3",
            "result": "not_run"
          },
          {
            "kind": "gate",
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            "max_abs_diff": "2.9649233623807447e-08"
          },
          {
            "kind": "gate",
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            "max_abs_diff": "1.4605700704439784e-08"
          },
          {
            "kind": "gate",
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            "result": "FAIL",
            "max_abs_diff": "4.6975853537567031e-15"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
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            "result": "FAIL",
            "max_abs_diff": "2.7474458375031929e-08"
          }
        ]
      },
      {
        "id": "T-METAL-MOTION-BLUR-THEN-DIFF-2026-09-29",
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        "evidence": [
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            "kind": "case",
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            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_debug_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_weight_and_cap_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_blend_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_exact_twin_default",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_exact_twin_debug",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_tiny_frames_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_odd_and_large_frames_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_tiny_frames_debug_weight_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_five_frame_window_8bit",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_motion_parity",
            "case": "test_integer_motion_five_frame_window_10bit",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "integer_motion_metal",
            "metric": "integer_motion2",
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          },
          {
            "kind": "metric",
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            "extractor": "integer_motion_metal",
            "metric": "integer_motion3",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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          },
          {
            "kind": "metric",
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            "result": "not_run"
          },
          {
            "kind": "gate",
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          },
          {
            "kind": "gate",
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            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
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            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
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            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
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            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
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            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
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            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion_debug",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_1px_1080p",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_checkerboard_10px_1080p",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          },
          {
            "kind": "gate",
            "fixture": "netflix_normal_576x324_10bit",
            "feature": "motion_mffw",
            "result": "OK",
            "max_abs_diff": "0"
          }
        ]
      },
      {
        "id": "T-METAL-ADM-GAIN-LIMIT-FLOAT32-2026-10-01",
        "verdict": "fail",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_integer_adm_parity",
            "case": "test_adm_gain_limit_1_2_exact",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_adm_parity",
            "case": "test_adm_gain_limit_1_5_exact",
            "result": "fail"
          }
        ]
      },
      {
        "id": "T-BUG048-GPU-OPTION-PARITY-REMAINDER-2026-09-26",
        "verdict": "fail",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_psnr",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_ssim",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_ssim",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_ms_ssim",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_motion",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_motion",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_motion_v2",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_psnr",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_moment",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_vif",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_adm",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_vif",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_adm",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_ciede",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_psnr_hvs",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_cambi",
            "result": "fail"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_ssimulacra2",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_psnr_parity",
            "case": "test_psnr_options_bit_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_psnr_parity",
            "case": "test_psnr_min_sse_identical_frames",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_max_val",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_fps_weight_debug_score",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_force_zero",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_max_val_out_of_range",
            "result": "pass"
          }
        ]
      },
      {
        "id": "T-GPU-TWIN-PARITY-GAPS-OUTSIDE-CUDA-2026-09-30",
        "verdict": "pass",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_ssim_parity",
            "case": "test_float_ssim_flat_db_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_ssim_parity",
            "case": "test_float_ssim_flat_clip_db_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_identical",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_identical_clipped",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_ssim_parity",
            "case": "test_ssim_identical_tiny",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_integer_psnr_parity",
            "case": "test_psnr_apsnr_with_subsample",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_motion_v2_parity",
            "case": "test_motion_v2_weight_and_cap_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_motion_v2_parity",
            "case": "test_motion_v2_one_frame_exact",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_motion_v2_parity",
            "case": "test_motion_v2_default_exact",
            "result": "pass"
          }
        ],
        "device_free": "item (4), the float_ssim_metal scale message, is a source contract that needs no device"
      },
      {
        "id": "T-GPU-FLOAT-MOTION3-MISSING-2026-09-30",
        "verdict": "not_measured",
        "evidence": [
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_motion3",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_float_motion_parity",
            "case": "test_float_motion_one_frame",
            "result": "pass"
          },
          {
            "kind": "case",
            "test": "test_metal_twin_option_parity",
            "case": "test_twin_float_motion_provides",
            "result": "pass"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_10px_1080p",
            "extractor": "float_motion_metal",
            "metric": "motion3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_checkerboard_1px_1080p",
            "extractor": "float_motion_metal",
            "metric": "motion3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324",
            "extractor": "float_motion_metal",
            "metric": "motion3",
            "result": "not_run"
          },
          {
            "kind": "metric",
            "fixture": "netflix_normal_576x324_10bit",
            "extractor": "float_motion_metal",
            "metric": "motion3",
            "result": "not_run"
          }
        ]
      }
    ]
  },
  "gpu": {
    "status": "not_applicable",
    "reason": "this package carries no build of a GPU backend the GPU section runs"
  },
  "not_exercised": [
    {
      "item": "tiny-AI / ONNX Runtime",
      "reason": "built with -Denable_dnn=disabled"
    },
    {
      "item": "CUDA, SYCL and HIP twins",
      "reason": "not available on macOS"
    },
    {
      "item": "SVE2 kernels",
      "reason": "this CPU does not report SVE2 (AT_HWCAP2 bit 1)"
    },
    {
      "item": "x86 kernels",
      "reason": "not applicable on arm64"
    },
    {
      "item": "golden check",
      "reason": "the Python golden stack is not in the macOS bundle; the Netflix pairs are covered by the dispatch and reference checks"
    }
  ],
  "verdict": "fail",
  "failed_checks": [
    "metal_equivalence",
    "metal_gate",
    "unit_tests"
  ],
  "note": "",
  "report_sha256": "e0e76b79f5721dff1e7640ade8ee268bdb028d5bcce7c3eec62576a6e9b2b1d2"
}
