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create timestep embedding tensor on device

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drhead 2024-05-17 09:54:59 -04:00 committed by GitHub
parent cf1d67a6fd
commit e5fb3e6a5f
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1 changed files with 2 additions and 2 deletions
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4
ldm/modules/diffusionmodules/util.py
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@ -170,8 +170,8 @@ def timestep_embedding(timesteps, dim, max_period=10000, repeat_only=False):
if not repeat_only:
half = dim // 2
freqs = torch.exp(
-math.log(max_period) * torch.arange(start=0, end=half, dtype=torch.float32) / half
).to(device=timesteps.device)
-math.log(max_period) * torch.arange(start=0, end=half, dtype=torch.float32, device=timesteps.device) / half
)
args = timesteps[:, None].float() * freqs[None]
embedding = torch.cat([torch.cos(args), torch.sin(args)], dim=-1)
if dim % 2: