Add quantized diffusion model

config.json

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+{
+  "_class_name": "WanModel",
+  "_diffusers_version": "0.32.2",
+  "_name_or_path": "./Wan2.1-T2V-1.3B",
+  "dim": 1536,
+  "eps": 1e-06,
+  "ffn_dim": 8960,
+  "freq_dim": 256,
+  "in_dim": 16,
+  "model_type": "t2v",
+  "num_heads": 12,
+  "num_layers": 30,
+  "out_dim": 16,
+  "quantization_config": {
+    "_load_in_4bit": true,
+    "_load_in_8bit": false,
+    "bnb_4bit_compute_dtype": "float16",
+    "bnb_4bit_quant_storage": "uint8",
+    "bnb_4bit_quant_type": "nf4",
+    "bnb_4bit_use_double_quant": true,
+    "llm_int8_enable_fp32_cpu_offload": false,
+    "llm_int8_has_fp16_weight": false,
+    "llm_int8_skip_modules": null,
+    "llm_int8_threshold": 6.0,
+    "load_in_4bit": true,
+    "load_in_8bit": false,
+    "quant_method": "bitsandbytes"
+  },
+  "text_len": 512
+}

diffusion_pytorch_model.safetensors

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:91bede864e608c914d447d11a7bc26b1b54824e6a4203ce62aeef217da157d3b
+size 734657595