File size: 2,426 Bytes
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"release_date": "2026-08-04",
"checkpoint": "Ref2VA/minimax-h3-ref2va-int8-lean-convrot-table-k16-g4097-quality21.safetensors",
"bytes": 22484075856,
"gib": 20.93992741405964,
"sha256": "f4b2a8b4a53446f5d696a39deb693b09ac7ce37013793a8b19340644e38b154f",
"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; independently selected Ref2VA policy exactly matches FL2VA",
"nonquant_source_copies": "258/258 tensors, 4146503680 bytes, bitwise equal to raw Ref2VA HF",
"adaln_table": "FP32 [4097, 16]; independent rebuild max absolute difference 4.547473508864641e-13",
"midpoint_coordinate_relative_error": 2.1027385628258344e-6,
"adaln_relative_error_19_timesteps": {
"block_0": 3.9349262692667253e-7,
"block_24": 4.4643704200098e-7,
"block_49": 3.958584784413688e-7,
"final": 3.423421333081933e-7
},
"official_pruned_adaln_relative_error_19_timesteps": {
"block_0": 1.9679135584738106e-4,
"block_24": 2.090581983793527e-4,
"block_49": 2.110520872520283e-4,
"final": 1.9624050764832646e-4
},
"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": 0.934510859195143,
"quality21_effective_mean_relative_error_percent": 0.7639428460970521,
"relative_reduction_percent": 18.25211675389137,
"selected_bf16_official_proxy_mean_percent": 1.0683710873126984,
"remaining_int8_absmax_mean_percent": 0.9108884659979274,
"remaining_int8_searched_scale_mean_percent": 0.8987562895259437,
"remaining_int8_relative_reduction_percent": 1.3319058177657648,
"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 Ref2VA generation",
"same-seed visual/audio A/B against BF16 and official pruned checkpoints"
]
}
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