xinyun/ComfyUI
1
0
Fork 0
mirror of https://git.datalinker.icu/comfyanonymous/ComfyUI synced 2026-09-04 04:37:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

Use tqdm for training loop

Browse Source
This commit is contained in:
Kohaku-Blueleaf 2025-06-07 05:21:37 +08:00
parent c246a1dbde
commit b3b36e5a69
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
comfy_extras/nodes_train.py
View File

@ -9,6 +9,7 @@ import torch
from PIL import Image, ImageDraw, ImageFont from PIL import Image, ImageDraw, ImageFont
from PIL.PngImagePlugin import PngInfo from PIL.PngImagePlugin import PngInfo
import torch.utils.checkpoint import torch.utils.checkpoint
import tqdm
import comfy.samplers import comfy.samplers
import comfy.sd import comfy.sd
@ -48,7 +49,6 @@ class TrainSampler(comfy.samplers.Sampler):
if "does not require grad and does not have a grad_fn" in str(e): if "does not require grad and does not have a grad_fn" in str(e):
logging.info("WARNING: This is likely due to the model is loaded in inference mode.") logging.info("WARNING: This is likely due to the model is loaded in inference mode.")
loss.backward() loss.backward()
logging.info(f"Current Training Loss: {loss.item():.6f}")
if self.loss_callback: if self.loss_callback:
self.loss_callback(loss.item()) self.loss_callback(loss.item())
@ -478,9 +478,16 @@ class TrainLoraNode:
elif loss_function == "SmoothL1": elif loss_function == "SmoothL1":
criterion = torch.nn.SmoothL1Loss() criterion = torch.nn.SmoothL1Loss()
# setup models
for m in find_all_highest_child_module_with_forward(mp.model.diffusion_model):
patch(m)
comfy.model_management.load_models_gpu([mp], memory_required=1e20, force_full_load=True)
# Setup sampler and guider like in test script # Setup sampler and guider like in test script
loss_map = {"loss": []} loss_map = {"loss": []}
loss_callback = lambda loss: loss_map["loss"].append(loss) def loss_callback(loss):
loss_map["loss"].append(loss)
pbar.set_postfix({"loss": f"{loss:.4f}"})
train_sampler = TrainSampler( train_sampler = TrainSampler(
criterion, optimizer, loss_callback=loss_callback criterion, optimizer, loss_callback=loss_callback
) )
@ -490,15 +497,10 @@ class TrainLoraNode:
# yoland: this currently resize to the first image in the dataset # yoland: this currently resize to the first image in the dataset
# setup before training
for m in find_all_highest_child_module_with_forward(mp.model.diffusion_model):
patch(m)
comfy.model_management.load_models_gpu([mp], memory_required=1e20, force_full_load=True)
# Training loop # Training loop
torch.cuda.empty_cache() torch.cuda.empty_cache()
try: try:
for step in range(steps): for step in (pbar:=tqdm.trange(steps, desc="Training LoRA", smoothing=0.01)):
# Generate random sigma # Generate random sigma
sigma = mp.model.model_sampling.percent_to_sigma( sigma = mp.model.model_sampling.percent_to_sigma(
torch.rand((1,)).item() torch.rand((1,)).item()