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Fix to work training U-Net only LoRA for SD1/2 #846

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merged 2 commits into from
Oct 1, 2023
Merged

Fix to work training U-Net only LoRA for SD1/2 #846

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81419f7
Fix to work training U-Net only LoRA for SD1/2
kohya-ss Oct 1, 2023
4cc9196
fix placing of requires_grad_ of U-Net
kohya-ss Oct 1, 2023
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10 changes: 9 additions & 1 deletion train_network.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,10 +12,13 @@

from tqdm import tqdm
import torch

try:
import intel_extension_for_pytorch as ipex

if torch.xpu.is_available():
from library.ipex import ipex_init

ipex_init()
except Exception:
pass
Expand Down Expand Up @@ -426,7 +429,12 @@ def train(self, args):
t_enc.train()

# set top parameter requires_grad = True for gradient checkpointing works
t_enc.text_model.embeddings.requires_grad_(True)
if train_text_encoder:
t_enc.text_model.embeddings.requires_grad_(True)

# set top parameter requires_grad = True for gradient checkpointing works
if not train_text_encoder: # train U-Net only
unet.parameters().__next__().requires_grad_(True)
else:
unet.eval()
for t_enc in text_encoders:
Expand Down