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CPU support for samplers #475

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CPU support for samplers #475

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ac5b1aa
Update ddim.py
yafa11 Nov 12, 2022
7fb37e4
Update plms.py
yafa11 Nov 12, 2022
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6 changes: 4 additions & 2 deletions ldm/models/diffusion/ddim.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,10 @@ def __init__(self, model, schedule="linear", **kwargs):

def register_buffer(self, name, attr):
if type(attr) == torch.Tensor:
if attr.device != torch.device("cuda"):
if attr.device != torch.device("cuda") and torch.cuda.is_available():
attr = attr.to(torch.device("cuda"))
else:
attr = attr.to(torch.device("cpu"))
setattr(self, name, attr)

def make_schedule(self, ddim_num_steps, ddim_discretize="uniform", ddim_eta=0., verbose=True):
Expand Down Expand Up @@ -238,4 +240,4 @@ def decode(self, x_latent, cond, t_start, unconditional_guidance_scale=1.0, unco
x_dec, _ = self.p_sample_ddim(x_dec, cond, ts, index=index, use_original_steps=use_original_steps,
unconditional_guidance_scale=unconditional_guidance_scale,
unconditional_conditioning=unconditional_conditioning)
return x_dec
return x_dec
4 changes: 3 additions & 1 deletion ldm/models/diffusion/plms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,10 @@ def __init__(self, model, schedule="linear", **kwargs):

def register_buffer(self, name, attr):
if type(attr) == torch.Tensor:
if attr.device != torch.device("cuda"):
if attr.device != torch.device("cuda") and torch.cuda.is_available():
attr = attr.to(torch.device("cuda"))
else:
attr = attr.to(torch.device("cpu"))
setattr(self, name, attr)

def make_schedule(self, ddim_num_steps, ddim_discretize="uniform", ddim_eta=0., verbose=True):
Expand Down