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Flip bits in seed for sde/ancestral schedulers to have different noise from initial

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Sergey Borisov 2023-08-13 19:50:16 +03:00
parent 6e0beb1ed4
commit 59ba9fc0f6
1 changed files with 2 additions and 1 deletions
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3
invokeai/app/invocations/latent.py
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@ -205,7 +205,8 @@ class DenoiseLatentsInvocation(BaseInvocation):
# for ddim scheduler
eta=0.0, # ddim_eta
# for ancestral and sde schedulers
generator=torch.Generator(device=unet.device).manual_seed(seed),
# flip all bits to have noise different from initial
generator=torch.Generator(device=unet.device).manual_seed(seed ^ 0xFFFFFFFF),
)
return conditioning_data