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lora-scripts/train.ps1
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| 1 |
+
# LoRA train script by @Akegarasu
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| 2 |
+
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| 3 |
+
# Train data path | 设置训练用模型、图片
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| 4 |
+
$pretrained_model = "./sd-models/model.ckpt" # base model path | 底模路径
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| 5 |
+
$model_type = "sd1.5" # sd1.5 sd2.0 sdxl model | 可选 sd1.5 sd2.0 sdxl。SD2.0模型 2.0模型下 clip_skip 默认无效
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| 6 |
+
$parameterization = 0 # parameterization | 参数化 本参数需要在 model_type 为 sd2.0 时才可启用
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| 7 |
+
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| 8 |
+
$train_data_dir = "./train/aki" # train dataset path | 训练数据集路径
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| 9 |
+
$reg_data_dir = "" # directory for regularization images | 正则化数据集路径,默认不使用正则化图像。
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| 10 |
+
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| 11 |
+
# Network settings | 网络设置
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| 12 |
+
$network_module = "networks.lora" # 在这里将会设置训练的网络种类,默认为 networks.lora 也就是 LoRA 训练。如果你想训练 LyCORIS(LoCon、LoHa) 等,则修改这个值为 lycoris.kohya
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| 13 |
+
$network_weights = "" # pretrained weights for LoRA network | 若需要从已有的 LoRA 模型上继续训练,请填写 LoRA 模型路径。
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| 14 |
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$network_dim = 32 # network dim | 常用 4~128,不是越大越好
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| 15 |
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$network_alpha = 32 # network alpha | 常用与 network_dim 相同的值或者采用较小的值,如 network_dim的一半 防止下溢。默认值为 1,使用较小的 alpha 需要提升学习率。
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| 16 |
+
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| 17 |
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# Train related params | 训练相关参数
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| 18 |
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$resolution = "512,512" # image resolution w,h. 图片分辨率,宽,高。支持非正方形,但必须是 64 倍数。
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| 19 |
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$batch_size = 1 # batch size | batch 大小
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| 20 |
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$max_train_epoches = 10 # max train epoches | 最大训练 epoch
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| 21 |
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$save_every_n_epochs = 2 # save every n epochs | 每 N 个 epoch 保存一次
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| 22 |
+
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| 23 |
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$train_unet_only = 0 # train U-Net only | 仅训练 U-Net,开启这个会牺牲效果大幅减少显存使用。6G显存可以开启
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| 24 |
+
$train_text_encoder_only = 0 # train Text Encoder only | 仅训练 文本编码器
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| 25 |
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$stop_text_encoder_training = 0 # stop text encoder training | 在第 N 步时停止训练文本编码器
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| 26 |
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| 27 |
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$noise_offset = 0 # noise offset | 在训练中添加噪声偏移来改良生成非常暗或者非常亮的图像,如果启用,推荐参数为 0.1
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| 28 |
+
$keep_tokens = 0 # keep heading N tokens when shuffling caption tokens | 在随机打乱 tokens 时,保留前 N 个不变。
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| 29 |
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$min_snr_gamma = 0 # minimum signal-to-noise ratio (SNR) value for gamma-ray | 伽马射线事件的最小信噪比(SNR)值 默认为 0
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| 30 |
+
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| 31 |
+
# Learning rate | 学习率
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| 32 |
+
$lr = "1e-4" # learning rate | 学习率,在分别设置下方 U-Net 和 文本编码器 的学习率时,该参数失效
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| 33 |
+
$unet_lr = "1e-4" # U-Net learning rate | U-Net 学习率
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| 34 |
+
$text_encoder_lr = "1e-5" # Text Encoder learning rate | 文本编码器 学习率
|
| 35 |
+
$lr_scheduler = "cosine_with_restarts" # "linear", "cosine", "cosine_with_restarts", "polynomial", "constant", "constant_with_warmup"
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| 36 |
+
$lr_warmup_steps = 0 # warmup steps | 学习率预热步数,lr_scheduler 为 constant 或 adafactor 时该值需要设为0。
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| 37 |
+
$lr_restart_cycles = 1 # cosine_with_restarts restart cycles | 余弦退火重启次数,仅在 lr_scheduler 为 cosine_with_restarts 时起效。
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| 38 |
+
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| 39 |
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# Optimizer settings | 优化器设置
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| 40 |
+
$optimizer_type = "AdamW8bit" # Optimizer type | 优化器类型 默认为 AdamW8bit,可选:AdamW AdamW8bit Lion Lion8bit SGDNesterov SGDNesterov8bit DAdaptation AdaFactor prodigy
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| 41 |
+
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| 42 |
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# Output settings | 输出设置
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| 43 |
+
$output_name = "aki" # output model name | 模型保存名称
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| 44 |
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$save_model_as = "safetensors" # model save ext | 模型保存格式 ckpt, pt, safetensors
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| 45 |
+
|
| 46 |
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# Resume training state | 恢复训练设置
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| 47 |
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$save_state = 0 # save training state | 保存训练状态 名称类似于 <output_name>-??????-state ?????? 表示 epoch 数
|
| 48 |
+
$resume = "" # resume from state | 从某个状态文件夹中恢复训练 需配合上方参数同时使用 由于规范文件限制 epoch 数和全局步数不会保存 即使恢复时它们也从 1 开始 与 network_weights 的具体实现操作并不一致
|
| 49 |
+
|
| 50 |
+
# 其他设置
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| 51 |
+
$min_bucket_reso = 256 # arb min resolution | arb 最小分辨率
|
| 52 |
+
$max_bucket_reso = 1024 # arb max resolution | arb 最大分辨率
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| 53 |
+
$persistent_data_loader_workers = 1 # persistent dataloader workers | 保留加载训练集的worker,减少每个 epoch 之间的停顿
|
| 54 |
+
$clip_skip = 2 # clip skip | 玄学 一般用 2
|
| 55 |
+
$multi_gpu = 0 # multi gpu | 多显卡训练 该参数仅限在显卡数 >= 2 使用
|
| 56 |
+
$lowram = 0 # lowram mode | 低内存模式 该模式下会将 U-net 文本编码器 VAE 转移到 GPU 显存中 启用该模式可能会对显存有一定影响
|
| 57 |
+
|
| 58 |
+
# LyCORIS 训练设置
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| 59 |
+
$algo = "lora" # LyCORIS network algo | LyCORIS 网络算法 可选 lora、loha、lokr、ia3、dylora。lora即为locon
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| 60 |
+
$conv_dim = 4 # conv dim | 类似于 network_dim,推荐为 4
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| 61 |
+
$conv_alpha = 4 # conv alpha | 类似于 network_alpha,可以采用与 conv_dim 一致或者更小的值
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| 62 |
+
$dropout = "0" # dropout | dropout 概率, 0 为不使用 dropout, 越大则 dropout 越多,推荐 0~0.5, LoHa/LoKr/(IA)^3 暂时不支持
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| 63 |
+
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| 64 |
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# 远程记录设置
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| 65 |
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$use_wandb = 0 # enable wandb logging | 启用wandb远程记录��能
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| 66 |
+
$wandb_api_key = "" # wandb api key | API,通过 https://wandb.ai/authorize 获取
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| 67 |
+
$log_tracker_name = "" # wandb log tracker name | wandb项目名称,留空则为"network_train"
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| 68 |
+
|
| 69 |
+
# ============= DO NOT MODIFY CONTENTS BELOW | 请勿修改下方内容 =====================
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| 70 |
+
# Activate python venv
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| 71 |
+
.\venv\Scripts\activate
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| 72 |
+
|
| 73 |
+
$Env:HF_HOME = "huggingface"
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| 74 |
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$Env:XFORMERS_FORCE_DISABLE_TRITON = "1"
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| 75 |
+
$ext_args = [System.Collections.ArrayList]::new()
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| 76 |
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$launch_args = [System.Collections.ArrayList]::new()
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| 77 |
+
|
| 78 |
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$trainer_file = "./sd-scripts/train_network.py"
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| 79 |
+
|
| 80 |
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if ($model_type -eq "sd1.5") {
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| 81 |
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[void]$ext_args.Add("--clip_skip=$clip_skip")
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| 82 |
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} elseif ($model_type -eq "sd2.0") {
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| 83 |
+
[void]$ext_args.Add("--v2")
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| 84 |
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} elseif ($model_type -eq "sdxl") {
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| 85 |
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$trainer_file = "./sd-scripts/sdxl_train_network.py"
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| 86 |
+
}
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| 87 |
+
|
| 88 |
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if ($multi_gpu) {
|
| 89 |
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[void]$launch_args.Add("--multi_gpu")
|
| 90 |
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[void]$launch_args.Add("--num_processes=2")
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| 91 |
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}
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| 92 |
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|
| 93 |
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if ($lowram) {
|
| 94 |
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[void]$ext_args.Add("--lowram")
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| 95 |
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}
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| 96 |
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| 97 |
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if ($parameterization) {
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| 98 |
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[void]$ext_args.Add("--v_parameterization")
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| 99 |
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}
|
| 100 |
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| 101 |
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if ($train_unet_only) {
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| 102 |
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[void]$ext_args.Add("--network_train_unet_only")
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| 103 |
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}
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| 104 |
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| 105 |
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if ($train_text_encoder_only) {
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| 106 |
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[void]$ext_args.Add("--network_train_text_encoder_only")
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| 107 |
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}
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| 108 |
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| 109 |
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if ($network_weights) {
|
| 110 |
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[void]$ext_args.Add("--network_weights=" + $network_weights)
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| 111 |
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}
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| 112 |
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| 113 |
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if ($reg_data_dir) {
|
| 114 |
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[void]$ext_args.Add("--reg_data_dir=" + $reg_data_dir)
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| 115 |
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}
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| 116 |
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| 117 |
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if ($optimizer_type) {
|
| 118 |
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[void]$ext_args.Add("--optimizer_type=" + $optimizer_type)
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| 119 |
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}
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| 120 |
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|
| 121 |
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if ($optimizer_type -eq "DAdaptation") {
|
| 122 |
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[void]$ext_args.Add("--optimizer_args")
|
| 123 |
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[void]$ext_args.Add("decouple=True")
|
| 124 |
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}
|
| 125 |
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|
| 126 |
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if ($network_module -eq "lycoris.kohya") {
|
| 127 |
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[void]$ext_args.Add("--network_args")
|
| 128 |
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[void]$ext_args.Add("conv_dim=$conv_dim")
|
| 129 |
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[void]$ext_args.Add("conv_alpha=$conv_alpha")
|
| 130 |
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[void]$ext_args.Add("algo=$algo")
|
| 131 |
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[void]$ext_args.Add("dropout=$dropout")
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| 132 |
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}
|
| 133 |
+
|
| 134 |
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if ($noise_offset -ne 0) {
|
| 135 |
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[void]$ext_args.Add("--noise_offset=$noise_offset")
|
| 136 |
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}
|
| 137 |
+
|
| 138 |
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if ($stop_text_encoder_training -ne 0) {
|
| 139 |
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[void]$ext_args.Add("--stop_text_encoder_training=$stop_text_encoder_training")
|
| 140 |
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}
|
| 141 |
+
|
| 142 |
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if ($save_state -eq 1) {
|
| 143 |
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[void]$ext_args.Add("--save_state")
|
| 144 |
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}
|
| 145 |
+
|
| 146 |
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if ($resume) {
|
| 147 |
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[void]$ext_args.Add("--resume=" + $resume)
|
| 148 |
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}
|
| 149 |
+
|
| 150 |
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if ($min_snr_gamma -ne 0) {
|
| 151 |
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[void]$ext_args.Add("--min_snr_gamma=$min_snr_gamma")
|
| 152 |
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}
|
| 153 |
+
|
| 154 |
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if ($persistent_data_loader_workers) {
|
| 155 |
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[void]$ext_args.Add("--persistent_data_loader_workers")
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| 156 |
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}
|
| 157 |
+
|
| 158 |
+
if ($use_wandb -eq 1) {
|
| 159 |
+
[void]$ext_args.Add("--log_with=all")
|
| 160 |
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if ($wandb_api_key) {
|
| 161 |
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[void]$ext_args.Add("--wandb_api_key=" + $wandb_api_key)
|
| 162 |
+
}
|
| 163 |
+
|
| 164 |
+
if ($log_tracker_name) {
|
| 165 |
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[void]$ext_args.Add("--log_tracker_name=" + $log_tracker_name)
|
| 166 |
+
}
|
| 167 |
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}
|
| 168 |
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else {
|
| 169 |
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[void]$ext_args.Add("--log_with=tensorboard")
|
| 170 |
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}
|
| 171 |
+
|
| 172 |
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# run train
|
| 173 |
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python -m accelerate.commands.launch $launch_args --num_cpu_threads_per_process=4 $trainer_file `
|
| 174 |
+
--enable_bucket `
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| 175 |
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--pretrained_model_name_or_path=$pretrained_model `
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| 176 |
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--train_data_dir=$train_data_dir `
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| 177 |
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--output_dir="./output" `
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| 178 |
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--logging_dir="./logs" `
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| 179 |
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--log_prefix=$output_name `
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| 180 |
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--resolution=$resolution `
|
| 181 |
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--network_module=$network_module `
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| 182 |
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--max_train_epochs=$max_train_epoches `
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| 183 |
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--learning_rate=$lr `
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| 184 |
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--unet_lr=$unet_lr `
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| 185 |
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--text_encoder_lr=$text_encoder_lr `
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| 186 |
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--lr_scheduler=$lr_scheduler `
|
| 187 |
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--lr_warmup_steps=$lr_warmup_steps `
|
| 188 |
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--lr_scheduler_num_cycles=$lr_restart_cycles `
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| 189 |
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--network_dim=$network_dim `
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| 190 |
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--network_alpha=$network_alpha `
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| 191 |
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--output_name=$output_name `
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| 192 |
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--train_batch_size=$batch_size `
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| 193 |
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--save_every_n_epochs=$save_every_n_epochs `
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| 194 |
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--mixed_precision="fp16" `
|
| 195 |
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--save_precision="fp16" `
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| 196 |
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--seed="1337" `
|
| 197 |
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--cache_latents `
|
| 198 |
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--prior_loss_weight=1 `
|
| 199 |
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--max_token_length=225 `
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| 200 |
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--caption_extension=".txt" `
|
| 201 |
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--save_model_as=$save_model_as `
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| 202 |
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--min_bucket_reso=$min_bucket_reso `
|
| 203 |
+
--max_bucket_reso=$max_bucket_reso `
|
| 204 |
+
--keep_tokens=$keep_tokens `
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| 205 |
+
--xformers --shuffle_caption $ext_args
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| 206 |
+
Write-Output "Train finished"
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| 207 |
+
Read-Host | Out-Null ;
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