{
    "comment": "Wan2.1 I2V 480P with INT8-TorchAO quantization - 8 GPUs with Ulysses + CFG parallelism",
    "infer_steps": 40,
    "target_video_length": 81,
    "target_height": 480,
    "target_width": 832,
    "self_attn_1_type": "flash_attn_hygon_dcu",
    "cross_attn_1_type": "flash_attn_hygon_dcu",
    "cross_attn_2_type": "flash_attn_hygon_dcu",
    "sample_guide_scale": 5.0,
    "sample_shift": 5.0,
    "enable_cfg": true,
    "cpu_offload": false,
    "modulate_type": "torch",
    "rope_type": "torch",
    "parallel": {
        "seq_p_size": 4,
        "seq_p_attn_type": "ulysses",
        "cfg_p_size": 2
    },
    "dit_quantized": true,
    "dit_quant_scheme": "int8-vllm",
    "dit_quantized_ckpt": "/panhb/workspace/isv/shangtang/Wan2.1-I2V-14B-480P_int8_lightx2v/wan2.1_i2v_480p_int8_lightx2v.safetensors",
    "comment_parallel": "Hybrid parallelism: 4-way Ulysses + 2-way CFG = 8 GPUs total"
}

