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Protect alphas_cumprod from downcasting

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drhead 2023-11-29 17:38:53 -05:00 • committed by GitHub
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5
modules/sd_models.py
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@ -387,7 +387,11 @@ def load_model_weights(model, checkpoint_info: CheckpointInfo, state_dict, timer
if shared.cmd_opts.upcast_sampling and depth_model:
model.depth_model = None
alphas_cumprod = model.alphas_cumprod
model.alphas_cumprod = None
model.half()
model.alphas_cumprod = alphas_cumprod
model.alphas_cumprod_original = alphas_cumprod
model.first_stage_model = vae
if depth_model:
model.depth_model = depth_model
@ -642,6 +646,7 @@ def load_model(checkpoint_info=None, already_loaded_state_dict=None):
else:
weight_dtype_conversion = {
'first_stage_model': None,
'alphas_cumprod': None,
'': torch.float16,
}