Wan2.2-I2V-A14B-4bit / quantization_info.json
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{
"quantization_method": "staged_wan_mixed_precision_nf4",
"model_type": "wan",
"description": "Wan high-noise and low-noise transformer experts are quantized in separate ZeroGPU allocations. First/last blocks and boundary modules stay in bfloat16.",
"stages": {
"high": {
"subfolder": "high_noise_model",
"layout": "original",
"quantization_method": "mixed_precision_nf4",
"high_precision_layers_count": 26,
"high_precision_layers": [
"blocks.0.self_attn.q",
"blocks.0.self_attn.k",
"blocks.0.self_attn.v",
"blocks.0.self_attn.o",
"blocks.0.cross_attn.q",
"blocks.0.cross_attn.k",
"blocks.0.cross_attn.v",
"blocks.0.cross_attn.o",
"blocks.0.ffn.0",
"blocks.0.ffn.2",
"blocks.39.self_attn.q",
"blocks.39.self_attn.k",
"blocks.39.self_attn.v",
"blocks.39.self_attn.o",
"blocks.39.cross_attn.q",
"blocks.39.cross_attn.k",
"blocks.39.cross_attn.v",
"blocks.39.cross_attn.o",
"blocks.39.ffn.0",
"blocks.39.ffn.2",
"text_embedding.0",
"text_embedding.2",
"time_embedding.0",
"time_embedding.2",
"time_projection.1",
"head.head"
],
"removed_stale_checkpoint_indexes": [
"diffusion_pytorch_model.safetensors.index.json"
]
},
"low": {
"subfolder": "low_noise_model",
"layout": "original",
"quantization_method": "mixed_precision_nf4",
"high_precision_layers_count": 26,
"high_precision_layers": [
"blocks.0.self_attn.q",
"blocks.0.self_attn.k",
"blocks.0.self_attn.v",
"blocks.0.self_attn.o",
"blocks.0.cross_attn.q",
"blocks.0.cross_attn.k",
"blocks.0.cross_attn.v",
"blocks.0.cross_attn.o",
"blocks.0.ffn.0",
"blocks.0.ffn.2",
"blocks.39.self_attn.q",
"blocks.39.self_attn.k",
"blocks.39.self_attn.v",
"blocks.39.self_attn.o",
"blocks.39.cross_attn.q",
"blocks.39.cross_attn.k",
"blocks.39.cross_attn.v",
"blocks.39.cross_attn.o",
"blocks.39.ffn.0",
"blocks.39.ffn.2",
"text_embedding.0",
"text_embedding.2",
"time_embedding.0",
"time_embedding.2",
"time_projection.1",
"head.head"
],
"removed_stale_checkpoint_indexes": [
"diffusion_pytorch_model.safetensors.index.json"
]
},
"text_encoder": {
"quantization_method": "skipped",
"reason": "Original Wan ships the UMT5 encoder as models_t5_umt5-xxl-enc-bf16.pth. Pre-quantizing that file would require changing the original Wan runtime loader, so it is preserved to keep the target repo usable."
}
}
}