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Commit 2df62723 authored by HamQiuZ's avatar HamQiuZ
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fix: add cm scheduler reproduce noise generator

parent 6277a533
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lightx2v/models/schedulers/wan/step_distill/scheduler.py
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...@@ -52,5 +52,6 @@ class WanStepDistillScheduler(WanScheduler): ...@@ -52,5 +52,6 @@ class WanStepDistillScheduler(WanScheduler):
noisy_image_or_video = self.latents.to(torch.float32) - sigma * flow_pred noisy_image_or_video = self.latents.to(torch.float32) - sigma * flow_pred
if self.step_index < self.infer_steps - 1: if self.step_index < self.infer_steps - 1:
sigma = self.sigmas[self.step_index + 1].item() sigma = self.sigmas[self.step_index + 1].item()
noisy_image_or_video = self.add_noise(noisy_image_or_video, torch.randn_like(noisy_image_or_video), self.sigmas[self.step_index + 1].item()) noise = torch.randn(noisy_image_or_video.shape, dtype=torch.float32, device=self.device, generator=self.generator)
noisy_image_or_video = self.add_noise(noisy_image_or_video, noise=noise, sigma=self.sigmas[self.step_index + 1].item())
self.latents = noisy_image_or_video.to(self.latents.dtype) self.latents = noisy_image_or_video.to(self.latents.dtype)
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