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[model][NPU]:Wan model rope use torch.complex64 in NPU

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feng0w0
2026-01-09 18:06:41 +08:00
parent de0aa946f7
commit 19ce3048c1
1 changed files with 3 additions and 0 deletions
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diffsynth/models/wan_video_dit.py
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@@ -5,6 +5,8 @@ import math
from typing import Tuple, Optional
from einops import rearrange
from .wan_video_camera_controller import SimpleAdapter
from ..core.device.npu_compatible_device import IS_NPU_AVAILABLE
try:
import flash_attn_interface
FLASH_ATTN_3_AVAILABLE = True
@@ -92,6 +94,7 @@ def rope_apply(x, freqs, num_heads):
x = rearrange(x, "b s (n d) -> b s n d", n=num_heads)
x_out = torch.view_as_complex(x.to(torch.float64).reshape(
x.shape[0], x.shape[1], x.shape[2], -1, 2))
freqs = freqs.to(torch.complex64) if IS_NPU_AVAILABLE else freqs
x_out = torch.view_as_real(x_out * freqs).flatten(2)
return x_out.to(x.dtype)