{
  "status": "PASS_MAC_NATIVE_MLX_FORMAT_AND_REAL_METAL_SAMPLES",
  "platform": "macOS-26.6-arm64-arm-64bit",
  "machine": "arm64",
  "mlx": "0.32.2",
  "mlx_lm": "0.32.0",
  "device": "Device(gpu, 0)",
  "quantization": {
    "group_size": 64,
    "bits": 4,
    "mode": "affine"
  },
  "all_saved_tensor_headers_validated": 2379,
  "all_source_parameters_accounted_for": 1199,
  "strict_complete_parameter_tree": "PASS using unevaluated header fixtures; no fabricated weights saved",
  "actual_checkpoint_samples": [
    {
      "sample": 0,
      "category": "text",
      "checkpoint_weight": "language_model.model.layers.0.linear_attn.in_proj_a.weight",
      "original_shape": [
        48,
        5120
      ],
      "packed_shape": [
        48,
        640
      ],
      "native_metal_bf16": "PASS",
      "metal_fp32": "PASS",
      "bf16_max_absolute_error": 0.0004401206970214844,
      "fp32_max_absolute_error": 0.0
    },
    {
      "sample": 1,
      "category": "vision",
      "checkpoint_weight": "visual.blocks.0.attn.proj.weight",
      "original_shape": [
        1152,
        1152
      ],
      "packed_shape": [
        1152,
        144
      ],
      "native_metal_bf16": "PASS",
      "metal_fp32": "PASS",
      "bf16_max_absolute_error": 0.0002315044403076172,
      "fp32_max_absolute_error": 0.0
    },
    {
      "sample": 2,
      "category": "MTP",
      "checkpoint_weight": "mtp.layers.0.self_attn.k_proj.weight",
      "original_shape": [
        1024,
        5120
      ],
      "packed_shape": [
        1024,
        640
      ],
      "native_metal_bf16": "PASS",
      "metal_fp32": "PASS",
      "bf16_max_absolute_error": 0.0009589195251464844,
      "fp32_max_absolute_error": 0.0
    }
  ],
  "full_model_mac_generation": "NOT_RUN: targeted native Metal format and real-weight component checks only",
  "peak_mlx_bytes": 4597960,
  "peak_process_rss_bytes": 360693760
}