rename train_lllite_alt to train_lllite

This commit is contained in:
Kohya S
2023-09-24 14:34:31 +09:00
parent d846431015
commit 3757855231
2 changed files with 118 additions and 118 deletions

View File

@@ -1,3 +1,6 @@
# cond_imageをU-Netのforwardで渡すバージョンのControlNet-LLLite検証用学習コード
# training code for ControlNet-LLLite with passing cond_image to U-Net's forward
import argparse
import gc
import json
@@ -20,6 +23,7 @@ except Exception:
pass
from torch.nn.parallel import DistributedDataParallel as DDP
from accelerate.utils import set_seed
import accelerate
from diffusers import DDPMScheduler, ControlNetModel
from safetensors.torch import load_file
from library import sai_model_spec, sdxl_model_util, sdxl_original_unet, sdxl_train_util
@@ -41,7 +45,7 @@ from library.custom_train_functions import (
apply_noise_offset,
scale_v_prediction_loss_like_noise_prediction,
)
import networks.control_net_lllite as control_net_lllite
import networks.control_net_lllite_for_train as control_net_lllite_for_train
# TODO 他のスクリプトと共通化する
@@ -148,9 +152,6 @@ def train(args):
ckpt_info,
) = sdxl_train_util.load_target_model(args, accelerator, sdxl_model_util.MODEL_VERSION_SDXL_BASE_V1_0, weight_dtype)
# モデルに xformers とか memory efficient attention を組み込む
train_util.replace_unet_modules(unet, args.mem_eff_attn, args.xformers, args.sdpa)
# 学習を準備する
if cache_latents:
vae.to(accelerator.device, dtype=vae_dtype)
@@ -184,22 +185,53 @@ def train(args):
)
accelerator.wait_for_everyone()
# prepare ControlNet
network = control_net_lllite.ControlNetLLLite(unet, args.cond_emb_dim, args.network_dim, args.network_dropout)
network.apply_to()
# prepare ControlNet-LLLite
control_net_lllite_for_train.replace_unet_linear_and_conv2d()
if args.network_weights is not None:
info = network.load_weights(args.network_weights)
accelerator.print(f"load ControlNet weights from {args.network_weights}: {info}")
accelerator.print(f"initialize U-Net with ControlNet-LLLite")
with accelerate.init_empty_weights():
unet_lllite = control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite()
unet_lllite.to(accelerator.device, dtype=weight_dtype)
unet_sd = unet.state_dict()
info = unet_lllite.load_lllite_weights(args.network_weights, unet_sd)
accelerator.print(f"load ControlNet-LLLite weights from {args.network_weights}: {info}")
else:
# cosumes large memory, so send to GPU before creating the LLLite model
accelerator.print("sending U-Net to GPU")
unet.to(accelerator.device, dtype=weight_dtype)
unet_sd = unet.state_dict()
# init LLLite weights
accelerator.print(f"initialize U-Net with ControlNet-LLLite")
if args.lowram:
with accelerate.init_on_device(accelerator.device):
unet_lllite = control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite()
else:
unet_lllite = control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite()
unet_lllite.to(weight_dtype)
info = unet_lllite.load_lllite_weights(None, unet_sd)
accelerator.print(f"init U-Net with ControlNet-LLLite weights: {info}")
del unet_sd, unet
unet: control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite = unet_lllite
del unet_lllite
unet.apply_lllite(args.cond_emb_dim, args.network_dim, args.network_dropout)
# モデルに xformers とか memory efficient attention を組み込む
train_util.replace_unet_modules(unet, args.mem_eff_attn, args.xformers, args.sdpa)
if args.gradient_checkpointing:
unet.enable_gradient_checkpointing()
network.enable_gradient_checkpointing() # may have no effect
# 学習に必要なクラスを準備する
accelerator.print("prepare optimizer, data loader etc.")
trainable_params = list(network.prepare_optimizer_params())
trainable_params = list(unet.prepare_params())
print(f"trainable params count: {len(trainable_params)}")
print(f"number of trainable parameters: {sum(p.numel() for p in trainable_params if p.requires_grad)}")
@@ -232,37 +264,32 @@ def train(args):
lr_scheduler = train_util.get_scheduler_fix(args, optimizer, accelerator.num_processes)
# 実験的機能勾配も含めたfp16/bf16学習を行う モデル全体をfp16/bf16にする
if args.full_fp16:
assert (
args.mixed_precision == "fp16"
), "full_fp16 requires mixed precision='fp16' / full_fp16を使う場合はmixed_precision='fp16'を指定してください。"
accelerator.print("enable full fp16 training.")
unet.to(weight_dtype)
network.to(weight_dtype)
elif args.full_bf16:
assert (
args.mixed_precision == "bf16"
), "full_bf16 requires mixed precision='bf16' / full_bf16を使う場合はmixed_precision='bf16'を指定してください。"
accelerator.print("enable full bf16 training.")
unet.to(weight_dtype)
network.to(weight_dtype)
# if args.full_fp16:
# assert (
# args.mixed_precision == "fp16"
# ), "full_fp16 requires mixed precision='fp16' / full_fp16を使う場合はmixed_precision='fp16'を指定してください。"
# accelerator.print("enable full fp16 training.")
# unet.to(weight_dtype)
# elif args.full_bf16:
# assert (
# args.mixed_precision == "bf16"
# ), "full_bf16 requires mixed precision='bf16' / full_bf16を使う場合はmixed_precision='bf16'を指定してください。"
# accelerator.print("enable full bf16 training.")
# unet.to(weight_dtype)
unet.to(weight_dtype)
# acceleratorがなんかよろしくやってくれるらしい
unet, network, optimizer, train_dataloader, lr_scheduler = accelerator.prepare(
unet, network, optimizer, train_dataloader, lr_scheduler
)
network: control_net_lllite.ControlNetLLLite
unet, optimizer, train_dataloader, lr_scheduler = accelerator.prepare(unet, optimizer, train_dataloader, lr_scheduler)
# transform DDP after prepare (train_network here only)
unet, network = train_util.transform_models_if_DDP([unet, network])
unet = train_util.transform_models_if_DDP([unet])[0]
if args.gradient_checkpointing:
unet.train() # according to TI example in Diffusers, train is required -> これオリジナルのU-Netしたので本当は外せる
else:
unet.eval()
network.prepare_grad_etc()
# TextEncoderの出力をキャッシュするときにはCPUへ移動する
if args.cache_text_encoder_outputs:
# move Text Encoders for sampling images. Text Encoder doesn't work on CPU with fp16
@@ -328,7 +355,13 @@ def train(args):
del train_dataset_group
# function for saving/removing
def save_model(ckpt_name, unwrapped_nw, steps, epoch_no, force_sync_upload=False):
def save_model(
ckpt_name,
unwrapped_nw: control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite,
steps,
epoch_no,
force_sync_upload=False,
):
os.makedirs(args.output_dir, exist_ok=True)
ckpt_file = os.path.join(args.output_dir, ckpt_name)
@@ -336,7 +369,7 @@ def train(args):
sai_metadata = train_util.get_sai_model_spec(None, args, True, True, False)
sai_metadata["modelspec.architecture"] = sai_model_spec.ARCH_SD_XL_V1_BASE + "/control-net-lllite"
unwrapped_nw.save_weights(ckpt_file, save_dtype, sai_metadata)
unwrapped_nw.save_lllite_weights(ckpt_file, save_dtype, sai_metadata)
if args.huggingface_repo_id is not None:
huggingface_util.upload(args, ckpt_file, "/" + ckpt_name, force_sync_upload=force_sync_upload)
@@ -351,11 +384,9 @@ def train(args):
accelerator.print(f"\nepoch {epoch+1}/{num_train_epochs}")
current_epoch.value = epoch + 1
network.on_epoch_start() # train()
for step, batch in enumerate(train_dataloader):
current_step.value = global_step
with accelerator.accumulate(network):
with accelerator.accumulate(unet):
with torch.no_grad():
if "latents" in batch and batch["latents"] is not None:
latents = batch["latents"].to(accelerator.device)
@@ -412,10 +443,9 @@ def train(args):
with accelerator.autocast():
# conditioning imageをControlNetに渡す / pass conditioning image to ControlNet
# 内部でcond_embに変換される / it will be converted to cond_emb inside
network.set_cond_image(controlnet_image)
# それらの値を使いつつ、U-Netでイズを予測する / predict noise with U-Net using those values
noise_pred = unet(noisy_latents, timesteps, text_embedding, vector_embedding)
noise_pred = unet(noisy_latents, timesteps, text_embedding, vector_embedding, controlnet_image)
if args.v_parameterization:
# v-parameterization training
@@ -440,7 +470,7 @@ def train(args):
accelerator.backward(loss)
if accelerator.sync_gradients and args.max_grad_norm != 0.0:
params_to_clip = network.get_trainable_params()
params_to_clip = unet.get_trainable_params()
accelerator.clip_grad_norm_(params_to_clip, args.max_grad_norm)
optimizer.step()
@@ -459,7 +489,7 @@ def train(args):
accelerator.wait_for_everyone()
if accelerator.is_main_process:
ckpt_name = train_util.get_step_ckpt_name(args, "." + args.save_model_as, global_step)
save_model(ckpt_name, accelerator.unwrap_model(network), global_step, epoch)
save_model(ckpt_name, accelerator.unwrap_model(unet), global_step, epoch)
if args.save_state:
train_util.save_and_remove_state_stepwise(args, accelerator, global_step)
@@ -498,7 +528,7 @@ def train(args):
saving = (epoch + 1) % args.save_every_n_epochs == 0 and (epoch + 1) < num_train_epochs
if is_main_process and saving:
ckpt_name = train_util.get_epoch_ckpt_name(args, "." + args.save_model_as, epoch + 1)
save_model(ckpt_name, accelerator.unwrap_model(network), global_step, epoch + 1)
save_model(ckpt_name, accelerator.unwrap_model(unet), global_step, epoch + 1)
remove_epoch_no = train_util.get_remove_epoch_no(args, epoch + 1)
if remove_epoch_no is not None:
@@ -513,7 +543,7 @@ def train(args):
# end of epoch
if is_main_process:
network = accelerator.unwrap_model(network)
unet = accelerator.unwrap_model(unet)
accelerator.end_training()
@@ -522,7 +552,7 @@ def train(args):
if is_main_process:
ckpt_name = train_util.get_last_ckpt_name(args, "." + args.save_model_as)
save_model(ckpt_name, network, global_step, num_train_epochs, force_sync_upload=True)
save_model(ckpt_name, unet, global_step, num_train_epochs, force_sync_upload=True)
print("model saved.")

View File

@@ -1,6 +1,3 @@
# cond_imageをU-Netのforwardで渡すバージョンのControlNet-LLLite検証用学習コード
# training code for ControlNet-LLLite with passing cond_image to U-Net's forward
import argparse
import gc
import json
@@ -23,7 +20,6 @@ except Exception:
pass
from torch.nn.parallel import DistributedDataParallel as DDP
from accelerate.utils import set_seed
import accelerate
from diffusers import DDPMScheduler, ControlNetModel
from safetensors.torch import load_file
from library import sai_model_spec, sdxl_model_util, sdxl_original_unet, sdxl_train_util
@@ -45,7 +41,7 @@ from library.custom_train_functions import (
apply_noise_offset,
scale_v_prediction_loss_like_noise_prediction,
)
import networks.control_net_lllite_for_train as control_net_lllite_for_train
import networks.control_net_lllite as control_net_lllite
# TODO 他のスクリプトと共通化する
@@ -152,6 +148,9 @@ def train(args):
ckpt_info,
) = sdxl_train_util.load_target_model(args, accelerator, sdxl_model_util.MODEL_VERSION_SDXL_BASE_V1_0, weight_dtype)
# モデルに xformers とか memory efficient attention を組み込む
train_util.replace_unet_modules(unet, args.mem_eff_attn, args.xformers, args.sdpa)
# 学習を準備する
if cache_latents:
vae.to(accelerator.device, dtype=vae_dtype)
@@ -185,53 +184,22 @@ def train(args):
)
accelerator.wait_for_everyone()
# prepare ControlNet-LLLite
control_net_lllite_for_train.replace_unet_linear_and_conv2d()
# prepare ControlNet
network = control_net_lllite.ControlNetLLLite(unet, args.cond_emb_dim, args.network_dim, args.network_dropout)
network.apply_to()
if args.network_weights is not None:
accelerator.print(f"initialize U-Net with ControlNet-LLLite")
with accelerate.init_empty_weights():
unet_lllite = control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite()
unet_lllite.to(accelerator.device, dtype=weight_dtype)
unet_sd = unet.state_dict()
info = unet_lllite.load_lllite_weights(args.network_weights, unet_sd)
accelerator.print(f"load ControlNet-LLLite weights from {args.network_weights}: {info}")
else:
# cosumes large memory, so send to GPU before creating the LLLite model
accelerator.print("sending U-Net to GPU")
unet.to(accelerator.device, dtype=weight_dtype)
unet_sd = unet.state_dict()
# init LLLite weights
accelerator.print(f"initialize U-Net with ControlNet-LLLite")
if args.lowram:
with accelerate.init_on_device(accelerator.device):
unet_lllite = control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite()
else:
unet_lllite = control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite()
unet_lllite.to(weight_dtype)
info = unet_lllite.load_lllite_weights(None, unet_sd)
accelerator.print(f"init U-Net with ControlNet-LLLite weights: {info}")
del unet_sd, unet
unet: control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite = unet_lllite
del unet_lllite
unet.apply_lllite(args.cond_emb_dim, args.network_dim, args.network_dropout)
# モデルに xformers とか memory efficient attention を組み込む
train_util.replace_unet_modules(unet, args.mem_eff_attn, args.xformers, args.sdpa)
info = network.load_weights(args.network_weights)
accelerator.print(f"load ControlNet weights from {args.network_weights}: {info}")
if args.gradient_checkpointing:
unet.enable_gradient_checkpointing()
network.enable_gradient_checkpointing() # may have no effect
# 学習に必要なクラスを準備する
accelerator.print("prepare optimizer, data loader etc.")
trainable_params = list(unet.prepare_params())
trainable_params = list(network.prepare_optimizer_params())
print(f"trainable params count: {len(trainable_params)}")
print(f"number of trainable parameters: {sum(p.numel() for p in trainable_params if p.requires_grad)}")
@@ -264,32 +232,37 @@ def train(args):
lr_scheduler = train_util.get_scheduler_fix(args, optimizer, accelerator.num_processes)
# 実験的機能勾配も含めたfp16/bf16学習を行う モデル全体をfp16/bf16にする
# if args.full_fp16:
# assert (
# args.mixed_precision == "fp16"
# ), "full_fp16 requires mixed precision='fp16' / full_fp16を使う場合はmixed_precision='fp16'を指定してください。"
# accelerator.print("enable full fp16 training.")
# unet.to(weight_dtype)
# elif args.full_bf16:
# assert (
# args.mixed_precision == "bf16"
# ), "full_bf16 requires mixed precision='bf16' / full_bf16を使う場合はmixed_precision='bf16'を指定してください。"
# accelerator.print("enable full bf16 training.")
# unet.to(weight_dtype)
unet.to(weight_dtype)
if args.full_fp16:
assert (
args.mixed_precision == "fp16"
), "full_fp16 requires mixed precision='fp16' / full_fp16を使う場合はmixed_precision='fp16'を指定してください。"
accelerator.print("enable full fp16 training.")
unet.to(weight_dtype)
network.to(weight_dtype)
elif args.full_bf16:
assert (
args.mixed_precision == "bf16"
), "full_bf16 requires mixed precision='bf16' / full_bf16を使う場合はmixed_precision='bf16'を指定してください。"
accelerator.print("enable full bf16 training.")
unet.to(weight_dtype)
network.to(weight_dtype)
# acceleratorがなんかよろしくやってくれるらしい
unet, optimizer, train_dataloader, lr_scheduler = accelerator.prepare(unet, optimizer, train_dataloader, lr_scheduler)
unet, network, optimizer, train_dataloader, lr_scheduler = accelerator.prepare(
unet, network, optimizer, train_dataloader, lr_scheduler
)
network: control_net_lllite.ControlNetLLLite
# transform DDP after prepare (train_network here only)
unet = train_util.transform_models_if_DDP([unet])[0]
unet, network = train_util.transform_models_if_DDP([unet, network])
if args.gradient_checkpointing:
unet.train() # according to TI example in Diffusers, train is required -> これオリジナルのU-Netしたので本当は外せる
else:
unet.eval()
network.prepare_grad_etc()
# TextEncoderの出力をキャッシュするときにはCPUへ移動する
if args.cache_text_encoder_outputs:
# move Text Encoders for sampling images. Text Encoder doesn't work on CPU with fp16
@@ -355,13 +328,7 @@ def train(args):
del train_dataset_group
# function for saving/removing
def save_model(
ckpt_name,
unwrapped_nw: control_net_lllite_for_train.SdxlUNet2DConditionModelControlNetLLLite,
steps,
epoch_no,
force_sync_upload=False,
):
def save_model(ckpt_name, unwrapped_nw, steps, epoch_no, force_sync_upload=False):
os.makedirs(args.output_dir, exist_ok=True)
ckpt_file = os.path.join(args.output_dir, ckpt_name)
@@ -369,7 +336,7 @@ def train(args):
sai_metadata = train_util.get_sai_model_spec(None, args, True, True, False)
sai_metadata["modelspec.architecture"] = sai_model_spec.ARCH_SD_XL_V1_BASE + "/control-net-lllite"
unwrapped_nw.save_lllite_weights(ckpt_file, save_dtype, sai_metadata)
unwrapped_nw.save_weights(ckpt_file, save_dtype, sai_metadata)
if args.huggingface_repo_id is not None:
huggingface_util.upload(args, ckpt_file, "/" + ckpt_name, force_sync_upload=force_sync_upload)
@@ -384,9 +351,11 @@ def train(args):
accelerator.print(f"\nepoch {epoch+1}/{num_train_epochs}")
current_epoch.value = epoch + 1
network.on_epoch_start() # train()
for step, batch in enumerate(train_dataloader):
current_step.value = global_step
with accelerator.accumulate(unet):
with accelerator.accumulate(network):
with torch.no_grad():
if "latents" in batch and batch["latents"] is not None:
latents = batch["latents"].to(accelerator.device)
@@ -443,9 +412,10 @@ def train(args):
with accelerator.autocast():
# conditioning imageをControlNetに渡す / pass conditioning image to ControlNet
# 内部でcond_embに変換される / it will be converted to cond_emb inside
network.set_cond_image(controlnet_image)
# それらの値を使いつつ、U-Netでイズを予測する / predict noise with U-Net using those values
noise_pred = unet(noisy_latents, timesteps, text_embedding, vector_embedding, controlnet_image)
noise_pred = unet(noisy_latents, timesteps, text_embedding, vector_embedding)
if args.v_parameterization:
# v-parameterization training
@@ -470,7 +440,7 @@ def train(args):
accelerator.backward(loss)
if accelerator.sync_gradients and args.max_grad_norm != 0.0:
params_to_clip = unet.get_trainable_params()
params_to_clip = network.get_trainable_params()
accelerator.clip_grad_norm_(params_to_clip, args.max_grad_norm)
optimizer.step()
@@ -489,7 +459,7 @@ def train(args):
accelerator.wait_for_everyone()
if accelerator.is_main_process:
ckpt_name = train_util.get_step_ckpt_name(args, "." + args.save_model_as, global_step)
save_model(ckpt_name, accelerator.unwrap_model(unet), global_step, epoch)
save_model(ckpt_name, accelerator.unwrap_model(network), global_step, epoch)
if args.save_state:
train_util.save_and_remove_state_stepwise(args, accelerator, global_step)
@@ -528,7 +498,7 @@ def train(args):
saving = (epoch + 1) % args.save_every_n_epochs == 0 and (epoch + 1) < num_train_epochs
if is_main_process and saving:
ckpt_name = train_util.get_epoch_ckpt_name(args, "." + args.save_model_as, epoch + 1)
save_model(ckpt_name, accelerator.unwrap_model(unet), global_step, epoch + 1)
save_model(ckpt_name, accelerator.unwrap_model(network), global_step, epoch + 1)
remove_epoch_no = train_util.get_remove_epoch_no(args, epoch + 1)
if remove_epoch_no is not None:
@@ -543,7 +513,7 @@ def train(args):
# end of epoch
if is_main_process:
unet = accelerator.unwrap_model(unet)
network = accelerator.unwrap_model(network)
accelerator.end_training()
@@ -552,7 +522,7 @@ def train(args):
if is_main_process:
ckpt_name = train_util.get_last_ckpt_name(args, "." + args.save_model_as)
save_model(ckpt_name, unet, global_step, num_train_epochs, force_sync_upload=True)
save_model(ckpt_name, network, global_step, num_train_epochs, force_sync_upload=True)
print("model saved.")