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Add some low vram modes: --lowvram and --novram

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comfyanonymous
2023-02-08 11:37:10 -05:00
parent a84cd0d1ad
commit 534736b924
4 changed files with 58 additions and 2 deletions
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comfy/k_diffusion/external.py
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@@ -66,7 +66,7 @@ class DiscreteSchedule(nn.Module):
def sigma_to_t(self, sigma, quantize=None):
quantize = self.quantize if quantize is None else quantize
log_sigma = sigma.log()
dists = log_sigma - self.log_sigmas[:, None]
dists = log_sigma.to(self.log_sigmas.device) - self.log_sigmas[:, None]
if quantize:
return dists.abs().argmin(dim=0).view(sigma.shape)
low_idx = dists.ge(0).cumsum(dim=0).argmax(dim=0).clamp(max=self.log_sigmas.shape[0] - 2)