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diffusers/docs/source/ko/training/lora.md
Seongsu Park 0c775544dd [Docs] Korean translation update (#4684)
* Docs kr update 3

controlnet, reproducibility ์—…๋กœ๋“œ

generator ๊ทธ๋Œ€๋กœ ์‚ฌ์šฉ
seamless multi-GPU ๊ทธ๋Œ€๋กœ ์‚ฌ์šฉ

create_dataset ๋ฒˆ์—ญ 1์ฐจ

stable_diffusion_jax

new translation

Add coreml, tome

kr docs minor fix

translate training/instructpix2pix

fix training/instructpix2pix.mdx

using-diffusers/weighting_prompts ๋ฒˆ์—ญ 1์ฐจ

add SDXL docs

Translate using-diffuers/loading_overview.md

translate using-diffusers/textual_inversion_inference.md

Conditional image generation (#37)

* stable_diffusion_jax

* index_update

* index_update

* condition_image_generation

---------

Co-authored-by: Seongsu Park <tjdtnsu@gmail.com>

jihwan/stable_diffusion.mdx

custom_diffusion ์ž‘์—… ์™„๋ฃŒ

quicktour ์ž‘์—… ์™„๋ฃŒ

distributed inference & control brightness (#40)

* distributed_inference.mdx

* control_brightness

---------

Co-authored-by: idra79haza <idra79haza@github.com>
Co-authored-by: Seongsu Park <tjdtnsu@gmail.com>

using_safetensors (#41)

* distributed_inference.mdx

* control_brightness

* using_safetensors.mdx

---------

Co-authored-by: idra79haza <idra79haza@github.com>
Co-authored-by: Seongsu Park <tjdtnsu@gmail.com>

delete safetensor short

* Repace mdx to md

* toctree update

* Add controlling_generation

* toctree fix

* colab link, minor fix

* docs name typo fix

* frontmatter fix

* translation fix
2023-09-01 09:23:45 -07:00

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<!--Copyright 2023 The HuggingFace Team. All rights reserved.
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# Low-Rank Adaptation of Large Language Models (LoRA)
[[open-in-colab]]
<Tip warning={true}>
ํ˜„์žฌ LoRA๋Š” [`UNet2DConditionalModel`]์˜ ์–ดํ…์…˜ ๋ ˆ์ด์–ด์—์„œ๋งŒ ์ง€์›๋ฉ๋‹ˆ๋‹ค.
</Tip>
[LoRA(Low-Rank Adaptation of Large Language Models)](https://arxiv.org/abs/2106.09685)๋Š” ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ์ ๊ฒŒ ์‚ฌ์šฉํ•˜๋ฉด์„œ ๋Œ€๊ทœ๋ชจ ๋ชจ๋ธ์˜ ํ•™์Šต์„ ๊ฐ€์†ํ™”ํ•˜๋Š” ํ•™์Šต ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. ์ด๋Š” rank-decomposition weight ํ–‰๋ ฌ ์Œ(**์—…๋ฐ์ดํŠธ ํ–‰๋ ฌ**์ด๋ผ๊ณ  ํ•จ)์„ ์ถ”๊ฐ€ํ•˜๊ณ  ์ƒˆ๋กœ ์ถ”๊ฐ€๋œ ๊ฐ€์ค‘์น˜**๋งŒ** ํ•™์Šตํ•ฉ๋‹ˆ๋‹ค. ์—ฌ๊ธฐ์—๋Š” ๋ช‡ ๊ฐ€์ง€ ์žฅ์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
- ์ด์ „์— ๋ฏธ๋ฆฌ ํ•™์Šต๋œ ๊ฐ€์ค‘์น˜๋Š” ๊ณ ์ •๋œ ์ƒํƒœ๋กœ ์œ ์ง€๋˜๋ฏ€๋กœ ๋ชจ๋ธ์ด [์น˜๋ช…์ ์ธ ๋ง๊ฐ](https://www.pnas.org/doi/10.1073/pnas.1611835114) ๊ฒฝํ–ฅ์ด ์—†์Šต๋‹ˆ๋‹ค.
- Rank-decomposition ํ–‰๋ ฌ์€ ์›๋ž˜ ๋ชจ๋ธ๋ณด๋‹ค ํŒŒ๋ผ๋ฉ”ํ„ฐ ์ˆ˜๊ฐ€ ํ›จ์”ฌ ์ ์œผ๋ฏ€๋กœ ํ•™์Šต๋œ LoRA ๊ฐ€์ค‘์น˜๋ฅผ ์‰ฝ๊ฒŒ ๋ผ์›Œ๋„ฃ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
- LoRA ๋งคํŠธ๋ฆญ์Šค๋Š” ์ผ๋ฐ˜์ ์œผ๋กœ ์›๋ณธ ๋ชจ๋ธ์˜ ์–ดํ…์…˜ ๋ ˆ์ด์–ด์— ์ถ”๊ฐ€๋ฉ๋‹ˆ๋‹ค. ๐Ÿงจ Diffusers๋Š” [`~diffusers.loaders.UNet2DConditionLoadersMixin.load_attn_procs`] ๋ฉ”์„œ๋“œ๋ฅผ ์ œ๊ณตํ•˜์—ฌ LoRA ๊ฐ€์ค‘์น˜๋ฅผ ๋ชจ๋ธ์˜ ์–ดํ…์…˜ ๋ ˆ์ด์–ด๋กœ ๋ถˆ๋Ÿฌ์˜ต๋‹ˆ๋‹ค. `scale` ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ํ†ตํ•ด ๋ชจ๋ธ์ด ์ƒˆ๋กœ์šด ํ•™์Šต ์ด๋ฏธ์ง€์— ๋งž๊ฒŒ ์กฐ์ •๋˜๋Š” ๋ฒ”์œ„๋ฅผ ์ œ์–ดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
- ๋ฉ”๋ชจ๋ฆฌ ํšจ์œจ์„ฑ์ด ํ–ฅ์ƒ๋˜์–ด Tesla T4, RTX 3080 ๋˜๋Š” RTX 2080 Ti์™€ ๊ฐ™์€ ์†Œ๋น„์ž์šฉ GPU์—์„œ ํŒŒ์ธํŠœ๋‹์„ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค! T4์™€ ๊ฐ™์€ GPU๋Š” ๋ฌด๋ฃŒ์ด๋ฉฐ Kaggle ๋˜๋Š” Google Colab ๋…ธํŠธ๋ถ์—์„œ ์‰ฝ๊ฒŒ ์•ก์„ธ์Šคํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
<Tip>
๐Ÿ’ก LoRA๋Š” ์–ดํ…์…˜ ๋ ˆ์ด์–ด์—๋งŒ ํ•œ์ •๋˜์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค. ์ €์ž๋Š” ์–ธ์–ด ๋ชจ๋ธ์˜ ์–ดํ…์…˜ ๋ ˆ์ด์–ด๋ฅผ ์ˆ˜์ •ํ•˜๋Š” ๊ฒƒ์ด ๋งค์šฐ ํšจ์œจ์ ์œผ๋กœ ์ฃป์€ ์„ฑ๋Šฅ์„ ์–ป๊ธฐ์— ์ถฉ๋ถ„ํ•˜๋‹ค๋Š” ๊ฒƒ์„ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์ด LoRA ๊ฐ€์ค‘์น˜๋ฅผ ๋ชจ๋ธ์˜ ์–ดํ…์…˜ ๋ ˆ์ด์–ด์— ์ถ”๊ฐ€ํ•˜๋Š” ๊ฒƒ์ด ์ผ๋ฐ˜์ ์ธ ์ด์œ ์ž…๋‹ˆ๋‹ค. LoRA ์ž‘๋™ ๋ฐฉ์‹์— ๋Œ€ํ•œ ์ž์„ธํ•œ ๋‚ด์šฉ์€ [Using LoRA for effective Stable Diffusion fine-tuning](https://huggingface.co/blog/lora) ๋ธ”๋กœ๊ทธ๋ฅผ ํ™•์ธํ•˜์„ธ์š”!
</Tip>
[cloneofsimo](https://github.com/cloneofsimo)๋Š” ์ธ๊ธฐ ์žˆ๋Š” [lora](https://github.com/cloneofsimo/lora) GitHub ๋ฆฌํฌ์ง€ํ† ๋ฆฌ์—์„œ Stable Diffusion์„ ์œ„ํ•œ LoRA ํ•™์Šต์„ ์ตœ์ดˆ๋กœ ์‹œ๋„ํ–ˆ์Šต๋‹ˆ๋‹ค. ๐Ÿงจ Diffusers๋Š” [text-to-image ์ƒ์„ฑ](https://github.com/huggingface/diffusers/tree/main/examples/text_to_image#training-with-lora) ๋ฐ [DreamBooth](https://github.com/huggingface/diffusers/tree/main/examples/dreambooth#training-with-low-rank-adaptation-of-large-language-models-lora)์„ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ์ด ๊ฐ€์ด๋“œ๋Š” ๋‘ ๊ฐ€์ง€๋ฅผ ๋ชจ๋‘ ์ˆ˜ํ–‰ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
๋ชจ๋ธ์„ ์ €์žฅํ•˜๊ฑฐ๋‚˜ ์ปค๋ฎค๋‹ˆํ‹ฐ์™€ ๊ณต์œ ํ•˜๋ ค๋ฉด Hugging Face ๊ณ„์ •์— ๋กœ๊ทธ์ธํ•˜์„ธ์š”(์•„์ง ๊ณ„์ •์ด ์—†๋Š” ๊ฒฝ์šฐ [์ƒ์„ฑ](hf.co/join)ํ•˜์„ธ์š”):
```bash
huggingface-cli login
```
## Text-to-image
์ˆ˜์‹ญ์–ต ๊ฐœ์˜ ํŒŒ๋ผ๋ฉ”ํ„ฐ๋“ค์ด ์žˆ๋Š” Stable Diffusion๊ณผ ๊ฐ™์€ ๋ชจ๋ธ์„ ํŒŒ์ธํŠœ๋‹ํ•˜๋Š” ๊ฒƒ์€ ๋А๋ฆฌ๊ณ  ์–ด๋ ค์šธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. LoRA๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด diffusion ๋ชจ๋ธ์„ ํŒŒ์ธํŠœ๋‹ํ•˜๋Š” ๊ฒƒ์ด ํ›จ์”ฌ ์‰ฝ๊ณ  ๋น ๋ฆ…๋‹ˆ๋‹ค. 8๋น„ํŠธ ์˜ตํ‹ฐ๋งˆ์ด์ €์™€ ๊ฐ™์€ ํŠธ๋ฆญ์— ์˜์กดํ•˜์ง€ ์•Š๊ณ ๋„ 11GB์˜ GPU RAM์œผ๋กœ ํ•˜๋“œ์›จ์–ด์—์„œ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
### ํ•™์Šต[[dreambooth-training]]
[Pokรฉmon BLIP ์บก์…˜](https://huggingface.co/datasets/lambdalabs/pokemon-blip-captions) ๋ฐ์ดํ„ฐ์…‹์œผ๋กœ [`stable-diffusion-v1-5`](https://huggingface.co/runwayml/stable-diffusion-v1-5)๋ฅผ ํŒŒ์ธํŠœ๋‹ํ•ด ๋‚˜๋งŒ์˜ ํฌ์ผ“๋ชฌ์„ ์ƒ์„ฑํ•ด ๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.
์‹œ์ž‘ํ•˜๋ ค๋ฉด `MODEL_NAME` ๋ฐ `DATASET_NAME` ํ™˜๊ฒฝ ๋ณ€์ˆ˜๊ฐ€ ์„ค์ •๋˜์–ด ์žˆ๋Š”์ง€ ํ™•์ธํ•˜์‹ญ์‹œ์˜ค. `OUTPUT_DIR` ๋ฐ `HUB_MODEL_ID` ๋ณ€์ˆ˜๋Š” ์„ ํƒ ์‚ฌํ•ญ์ด๋ฉฐ ํ—ˆ๋ธŒ์—์„œ ๋ชจ๋ธ์„ ์ €์žฅํ•  ์œ„์น˜๋ฅผ ์ง€์ •ํ•ฉ๋‹ˆ๋‹ค.
```bash
export MODEL_NAME="runwayml/stable-diffusion-v1-5"
export OUTPUT_DIR="/sddata/finetune/lora/pokemon"
export HUB_MODEL_ID="pokemon-lora"
export DATASET_NAME="lambdalabs/pokemon-blip-captions"
```
ํ•™์Šต์„ ์‹œ์ž‘ํ•˜๊ธฐ ์ „์— ์•Œ์•„์•ผ ํ•  ๋ช‡ ๊ฐ€์ง€ ํ”Œ๋ž˜๊ทธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
* `--push_to_hub`๋ฅผ ๋ช…์‹œํ•˜๋ฉด ํ•™์Šต๋œ LoRA ์ž„๋ฒ ๋”ฉ์„ ํ—ˆ๋ธŒ์— ์ €์žฅํ•ฉ๋‹ˆ๋‹ค.
* `--report_to=wandb`๋Š” ํ•™์Šต ๊ฒฐ๊ณผ๋ฅผ ๊ฐ€์ค‘์น˜ ๋ฐ ํŽธํ–ฅ ๋Œ€์‹œ๋ณด๋“œ์— ๋ณด๊ณ ํ•˜๊ณ  ๊ธฐ๋กํ•ฉ๋‹ˆ๋‹ค(์˜ˆ๋ฅผ ๋“ค์–ด, ์ด [๋ณด๊ณ ์„œ](https://wandb.ai/pcuenq/text2image-fine-tune/run/b4k1w0tn?workspace=user-pcuenq)๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”).
* `--learning_rate=1e-04`, ์ผ๋ฐ˜์ ์œผ๋กœ LoRA์—์„œ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ๋ณด๋‹ค ๋” ๋†’์€ ํ•™์Šต๋ฅ ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด์ œ ํ•™์Šต์„ ์‹œ์ž‘ํ•  ์ค€๋น„๊ฐ€ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค (์ „์ฒด ํ•™์Šต ์Šคํฌ๋ฆฝํŠธ๋Š” [์—ฌ๊ธฐ](https://github.com/huggingface/diffusers/blob/main/examples/text_to_image/train_text_to_image_lora.py)์—์„œ ์ฐพ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค).
```bash
accelerate launch train_dreambooth_lora.py \
--pretrained_model_name_or_path=$MODEL_NAME \
--instance_data_dir=$INSTANCE_DIR \
--output_dir=$OUTPUT_DIR \
--instance_prompt="a photo of sks dog" \
--resolution=512 \
--train_batch_size=1 \
--gradient_accumulation_steps=1 \
--checkpointing_steps=100 \
--learning_rate=1e-4 \
--report_to="wandb" \
--lr_scheduler="constant" \
--lr_warmup_steps=0 \
--max_train_steps=500 \
--validation_prompt="A photo of sks dog in a bucket" \
--validation_epochs=50 \
--seed="0" \
--push_to_hub
```
### ์ถ”๋ก [[dreambooth-inference]]
์ด์ œ [`StableDiffusionPipeline`]์—์„œ ๊ธฐ๋ณธ ๋ชจ๋ธ์„ ๋ถˆ๋Ÿฌ์™€ ์ถ”๋ก ์„ ์œ„ํ•ด ๋ชจ๋ธ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:
```py
>>> import torch
>>> from diffusers import StableDiffusionPipeline
>>> model_base = "runwayml/stable-diffusion-v1-5"
>>> pipe = StableDiffusionPipeline.from_pretrained(model_base, torch_dtype=torch.float16)
```
*๊ธฐ๋ณธ ๋ชจ๋ธ์˜ ๊ฐ€์ค‘์น˜ ์œ„์—* ํŒŒ์ธํŠœ๋‹๋œ DreamBooth ๋ชจ๋ธ์—์„œ LoRA ๊ฐ€์ค‘์น˜๋ฅผ ๋ถˆ๋Ÿฌ์˜จ ๋‹ค์Œ, ๋” ๋น ๋ฅธ ์ถ”๋ก ์„ ์œ„ํ•ด ํŒŒ์ดํ”„๋ผ์ธ์„ GPU๋กœ ์ด๋™ํ•ฉ๋‹ˆ๋‹ค. LoRA ๊ฐ€์ค‘์น˜๋ฅผ ํ”„๋ฆฌ์ง•๋œ ์‚ฌ์ „ ํ›ˆ๋ จ๋œ ๋ชจ๋ธ ๊ฐ€์ค‘์น˜์™€ ๋ณ‘ํ•ฉํ•  ๋•Œ, ์„ ํƒ์ ์œผ๋กœ 'scale' ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์–ด๋А ์ •๋„์˜ ๊ฐ€์ค‘์น˜๋ฅผ ๋ณ‘ํ•ฉํ•  ์ง€ ์กฐ์ ˆํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:
<Tip>
๐Ÿ’ก `0`์˜ `scale` ๊ฐ’์€ LoRA ๊ฐ€์ค‘์น˜๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š์•„ ์›๋ž˜ ๋ชจ๋ธ์˜ ๊ฐ€์ค‘์น˜๋งŒ ์‚ฌ์šฉํ•œ ๊ฒƒ๊ณผ ๊ฐ™๊ณ , `1`์˜ `scale` ๊ฐ’์€ ํŒŒ์ธํŠœ๋‹๋œ LoRA ๊ฐ€์ค‘์น˜๋งŒ ์‚ฌ์šฉํ•จ์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค. 0๊ณผ 1 ์‚ฌ์ด์˜ ๊ฐ’๋“ค์€ ๋‘ ๊ฒฐ๊ณผ๋“ค ์‚ฌ์ด๋กœ ๋ณด๊ฐ„๋ฉ๋‹ˆ๋‹ค.
</Tip>
```py
>>> pipe.unet.load_attn_procs(model_path)
>>> pipe.to("cuda")
# LoRA ํŒŒ์ธํŠœ๋‹๋œ ๋ชจ๋ธ์˜ ๊ฐ€์ค‘์น˜ ์ ˆ๋ฐ˜๊ณผ ๊ธฐ๋ณธ ๋ชจ๋ธ์˜ ๊ฐ€์ค‘์น˜ ์ ˆ๋ฐ˜ ์‚ฌ์šฉ
>>> image = pipe(
... "A picture of a sks dog in a bucket.",
... num_inference_steps=25,
... guidance_scale=7.5,
... cross_attention_kwargs={"scale": 0.5},
... ).images[0]
# ์™„์ „ํžˆ ํŒŒ์ธํŠœ๋‹๋œ LoRA ๋ชจ๋ธ์˜ ๊ฐ€์ค‘์น˜ ์‚ฌ์šฉ
>>> image = pipe("A picture of a sks dog in a bucket.", num_inference_steps=25, guidance_scale=7.5).images[0]
>>> image.save("bucket-dog.png")
```