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feat: add tcd sampler #3370

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feat: add tcd sampler #3370

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5cdf8cd
feat: add tcd scheduler
JettHu Apr 28, 2024
9b8f97c
fix: Make sure timesteps_s in sample_tcd is on cpu
JettHu Apr 30, 2024
6fd91a8
fix: correct sampling when gamma is 0
JettHu Jun 3, 2024
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fix: Make sure timesteps_s in sample_tcd is on cpu
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@JettHu
JettHu committed Apr 30, 2024
commit 9b8f97c190928749a816c7a3636dbeb063d5ee54
2 changes: 1 addition & 1 deletion comfy/k_diffusion/sampling.py
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Expand Up @@ -825,7 +825,7 @@ def sample_tcd(
s_in = x.new_ones([x.shape[0]])

model_sampling = model.inner_model.model_patcher.get_model_object("model_sampling")
timesteps_s = torch.floor((1 - eta) * model_sampling.timestep(sigmas)).to(dtype=torch.long).detach()
timesteps_s = torch.floor((1 - eta) * model_sampling.timestep(sigmas)).to(dtype=torch.long).detach().cpu()
timesteps_s[-1] = 0
alpha_prod_s = model_sampling.alphas_cumprod[timesteps_s]
beta_prod_s = 1 - alpha_prod_s
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