reports/validation.json

{
  "release_date": "2026-08-04",
  "checkpoint": "FL2VA/minimax-h3-fl2va-int8-lean-convrot-table-k16-g4097-quality21.safetensors",
  "bytes": 22484074696,
  "gib": 20.939926333725452,
  "sha256": "ad0cf8b50ba92068b5a4477527d5da73412a22db99cded35b07195504e78cf6a",
  "tensor_keys": 872,
  "dtype_key_counts": {
    "F32": 282,
    "BF16": 250,
    "I8": 170,
    "U8": 170
  },
  "checks": {
    "safetensors_open": "pass",
    "int8_quant_blobs": "170/170, ConvRot group size 256",
    "bf16_main_policy": "30/30 present and bitwise equal to raw HF",
    "non_time_tensors": "871/871 preserved bit-for-bit during the final stock-table conversion",
    "adaln_table": "FP32 [4097, 16]; exact on all stored grid rows",
    "midpoint_coordinate_relative_error": 2.2216029265109682e-6,
    "adaln_relative_error_19_timesteps": {
      "block_0": 3.5589840763350367e-7,
      "block_24": 3.818931020305172e-7,
      "block_49": 3.5121175301355834e-7,
      "final": 3.042201797143207e-7
    },
    "comfyui_cpu_load": "pass on clean unmodified ComfyUI: ModelPatcher -> MiniMaxH3Model; table [4097,16]; no time_embedder",
    "comfyui_tested_commit": "14b05228cef127ce529bc0c08660770d4af3e9a8"
  },
  "sampled_main_matrix_proxy": {
    "method": "deterministic 64 output rows per matrix, all input columns, 200/200 main matrices",
    "official_absmax_mean_relative_error_percent": 0.934502442367375,
    "quality21_effective_mean_relative_error_percent": 0.7638806365430355,
    "relative_reduction_percent": 18.258037442053465,
    "selected_bf16_official_proxy_mean_percent": 1.0684306019296248,
    "remaining_int8_absmax_mean_percent": 0.9108680612681544,
    "remaining_int8_searched_scale_mean_percent": 0.898683101815336,
    "remaining_int8_relative_reduction_percent": 1.3377304541619235,
    "warning": "This is a weight-reconstruction proxy, not an end-to-end generation or perceptual benchmark."
  },
  "not_yet_tested": [
    "GPU load through ComfyUI",
    "peak VRAM at a target resolution/frame count",
    "end-to-end FL2VA generation",
    "same-seed visual/audio A/B against BF16 and official pruned checkpoints"
  ]
}