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6 changes: 3 additions & 3 deletions docs/source/ko/_toctree.yml
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- local: in_translation
title: (๋ฒˆ์—ญ์ค‘) Overview
- local: in_translation
title: (๋ฒˆ์—ญ์ค‘) Selecting a quantization method
- local: in_translation
title: Selecting a quantization method
- local: quantization/selecting
title: (๋ฒˆ์—ญ์ค‘) Quantization concepts
- local: in_translation
title: (๋ฒˆ์—ญ์ค‘) AQLM
Expand Down Expand Up @@ -1243,4 +1243,4 @@
- local: in_translation
title: (๋ฒˆ์—ญ์ค‘)Environment Variables
title: Reference
title: API
title: API
157 changes: 157 additions & 0 deletions docs/source/ko/quantization/selecting.md
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<!--Copyright 2024 The HuggingFace Team. All rights reserved.

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โš ๏ธ ์ด ํŒŒ์ผ์€ Markdown์ด์ง€๋งŒ ๋ฌธ์„œ ๋นŒ๋”์šฉ ํŠน์ˆ˜ ๋ฌธ๋ฒ•(์ผ๋ถ€๋Š” MDX์™€ ์œ ์‚ฌ)์„ ํฌํ•จํ•ฉ๋‹ˆ๋‹ค. ์ผ๋ฐ˜์ ์ธ Markdown ๋ทฐ์–ด์—์„œ๋Š” ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ๋ Œ๋”๋ง๋˜์ง€ ์•Š์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
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# ์–‘์žํ™” ๋ฐฉ๋ฒ• ์„ ํƒ ๊ฐ€์ด๋“œ

Transformers์—๋Š” ์ถ”๋ก ๊ณผ ํŒŒ์ธํŠœ๋‹์„ ์œ„ํ•œ ๋‹ค์–‘ํ•œ ์–‘์žํ™” ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ๊ฐ€์ด๋“œ๋Š” ์‚ฌ์šฉ ์‚ฌ๋ก€์— ๋”ฐ๋ผ ๊ฐ€์žฅ ์ผ๋ฐ˜์ ์ด๊ณ  ์šด์˜ ํ™˜๊ฒฝ์—์„œ ๋ฐ”๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๋œ ์–‘์žํ™” ๊ธฐ๋ฒ•์„ ์„ ํƒํ•˜๋Š” ๋ฐ ๋„์›€์„ ์ฃผ๊ณ , ๊ฐ ๊ธฐ๋ฒ•์˜ ์žฅ๋‹จ์ ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค.

์ง€์›๋˜๋Š” ๋ชจ๋“  ๋ฐฉ๋ฒ•๊ณผ ๊ธฐ๋Šฅ์„ ํฌ๊ด„์ ์œผ๋กœ ๋ณด๋ ค๋ฉด [๊ฐœ์š”](./overview)์˜ ํ‘œ๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

## ์ถ”๋ก (Inference)

์ถ”๋ก  ์šฉ๋„๋กœ๋Š” ์•„๋ž˜ ์–‘์žํ™” ๋ฐฉ๋ฒ•์„ ๊ณ ๋ คํ•˜์„ธ์š”.

| ์–‘์žํ™” ๋ฐฉ๋ฒ• | ์‚ฌ์šฉ ์‚ฌ๋ก€ |
| ------------------ | -------------------------------------- |
| bitsandbytes | ์‰ฌ์šด ์‚ฌ์šฉ์„ฑ๊ณผ NVIDIA/Intel GPU์—์„œ์˜ QLoRA ํŒŒ์ธํŠœ๋‹ |
| compressed-tensors | ํŠน์ • ์–‘์žํ™” ํ˜•์‹(FP8, ํฌ์†Œ์„ฑ ๋“ฑ) ๋กœ๋”ฉ |
| GPTQModel ๋˜๋Š” AWQ | ์‚ฌ์ „ ๋ณด์ •(calibration) ๊ธฐ๋ฐ˜์˜ ์šฐ์ˆ˜ํ•œ 4๋น„ํŠธ ์ •ํ™•๋„ |
| HQQ | ๋ณด์ • ์—†์ด ๋น ๋ฅธ ์˜จ๋”ํ”Œ๋ผ์ด ์–‘์žํ™” |
| torchao | `torch.compile`๊ณผ ํ•จ๊ป˜ ์œ ์—ฐํ•˜๊ณ  ๋น ๋ฅธ ์ถ”๋ก  |

### ๋ณด์ • ๋ถˆํ•„์š”(์˜จ๋”ํ”Œ๋ผ์ด ์–‘์žํ™”)

์ด ๋ฐฉ๋ฒ•๋“ค์€ ๋ณ„๋„์˜ ๋ณด์ • ๋ฐ์ดํ„ฐ์…‹์ด๋‚˜ ๋‹จ๊ณ„๊ฐ€ ํ•„์š” ์—†์–ด ๋Œ€์ฒด๋กœ ์‚ฌ์šฉ์ด ๊ฐ„ํŽธํ•ฉ๋‹ˆ๋‹ค.

#### bitsandbytes

| ์žฅ์  | ๋‹จ์  |
| ---------------------------- | -------------------------- |
| ๋งค์šฐ ๊ฐ„๋‹จํ•˜๋ฉฐ, ์ถ”๋ก ์— ๋ณด์ • ๋ฐ์ดํ„ฐ์…‹์ด ํ•„์š” ์—†์Œ. | ์ฃผ๋กœ NVIDIA GPU(CUDA)์— ์ตœ์ ํ™”๋จ. |
| ์ปค๋ฎค๋‹ˆํ‹ฐ ์ง€์›์ด ์ข‹๊ณ  ๋„๋ฆฌ ์‚ฌ์šฉ๋จ. | ์ถ”๋ก  ๊ฐ€์†์ด ํ•ญ์ƒ ๋ณด์žฅ๋˜์ง€๋Š” ์•Š์Œ. |

์ž์„ธํ•œ ๋‚ด์šฉ์€ [bitsandbytes ๋ฌธ์„œ](./bitsandbytes)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

#### HQQ (Half-Quadratic Quantization)

| ์žฅ์  | ๋‹จ์  |
| ---------------------------- | ---------------------------------------------------- |
| ๋ณด์ • ๋ฐ์ดํ„ฐ ์—†์ด๋„ ๋น ๋ฅธ ์–‘์žํ™”. | 4๋น„ํŠธ ๋ฏธ๋งŒ์—์„œ๋Š” ์ •ํ™•๋„๊ฐ€ ํฌ๊ฒŒ ์ €ํ•˜๋  ์ˆ˜ ์žˆ์Œ. |
| ๋น ๋ฅธ ์ถ”๋ก ์„ ์œ„ํ•œ ๋‹ค์ˆ˜ ๋ฐฑ์—”๋“œ ์ œ๊ณต. | `torch.compile` ๋˜๋Š” ํŠน์ • ๋ฐฑ์—”๋“œ๋ฅผ ์“ฐ์ง€ ์•Š์œผ๋ฉด ์†๋„๊ฐ€ ๊ธฐ๋Œ€์— ๋ชป ๋ฏธ์น  ์ˆ˜ ์žˆ์Œ. |
| `torch.compile`๊ณผ ํ˜ธํ™˜. | |
| ํญ๋„“์€ ๋น„ํŠธํญ(8, 4, 3, 2, 1๋น„ํŠธ) ์ง€์›. | |

์ž์„ธํ•œ ๋‚ด์šฉ์€ [HQQ ๋ฌธ์„œ](./hqq)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

#### torchao

| ์žฅ์  | ๋‹จ์  |
| ------------------------------------ | -------------------------------------- |
| `torch.compile`๊ณผ ๊ฐ•ํ•˜๊ฒŒ ํ†ตํ•ฉ๋˜์–ด ์†๋„ ํ–ฅ์ƒ ์ž ์žฌ๋ ฅ. | ๋น„๊ต์  ์ƒˆ๋กœ์šด ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋กœ ์ƒํƒœ๊ณ„๊ฐ€ ์•„์ง ์„ฑ์žฅ ์ค‘. |
| CPU ์–‘์žํ™” ์ง€์›์ด ์ค€์ˆ˜ํ•จ. | ์„ฑ๋Šฅ์ด `torch.compile`์˜ ์„ฑ๊ณผ์— ์ขŒ์šฐ๋  ์ˆ˜ ์žˆ์Œ. |
| ๋‹ค์–‘ํ•œ ์–‘์žํ™” ์Šคํ‚ด(int8, int4, fp8) ์ œ๊ณต. | 4๋น„ํŠธ(int4wo)์˜ ์ •ํ™•๋„๋Š” GPTQ/AWQ์— ๋ชป ๋ฏธ์น  ์ˆ˜ ์žˆ์Œ. |

์ž์„ธํ•œ ๋‚ด์šฉ์€ [torchao ๋ฌธ์„œ](./torchao)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

### ๋ณด์ • ๊ธฐ๋ฐ˜ ์–‘์žํ™”

์ด ๋ฐฉ๋ฒ•๋“ค์€ ๋” ๋†’์€ ์ •ํ™•๋„๋ฅผ ์œ„ํ•ด ๋ฐ์ดํ„ฐ์…‹์„ ์‚ฌ์šฉํ•œ ์‚ฌ์ „ ๋ณด์ • ๋‹จ๊ณ„๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.

#### GPTQ/GPTQModel

8B ๋ชจ๋ธ ๋ณด์ •์€ A100 GPU 1์žฅ์œผ๋กœ ์•ฝ 20๋ถ„ ์†Œ์š”๋ฉ๋‹ˆ๋‹ค.

| ์žฅ์  | ๋‹จ์  |
| ------------------------------------------------------------------------------------- | ----------------------- |
| ๋†’์€ ์ •ํ™•๋„ ๋‹ฌ์„ฑ ์‚ฌ๋ก€๊ฐ€ ๋งŽ์Œ. | ๋ณด์ • ๋ฐ์ดํ„ฐ์…‹๊ณผ ๋ณ„๋„์˜ ๋ณด์ • ๋‹จ๊ณ„๊ฐ€ ํ•„์š”. |
| ์ถ”๋ก  ๊ฐ€์†์œผ๋กœ ์ด์–ด์งˆ ์ˆ˜ ์žˆ์Œ. | ๋ณด์ • ๋ฐ์ดํ„ฐ์— ๊ณผ์ ํ•ฉ๋  ๊ฐ€๋Šฅ์„ฑ. |
| ์‚ฌ์ „ ์–‘์žํ™”๋œ GPTQ ๋ชจ๋ธ์ด [Hugging Face Hub](https://huggingface.co/models?other=gptq)์— ๋‹ค์ˆ˜ ์กด์žฌ. | |

์ž์„ธํ•œ ๋‚ด์šฉ์€ [GPTQ ๋ฌธ์„œ](./gptq)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

#### AWQ (Activation-aware Weight Quantization)

8B ๋ชจ๋ธ ๋ณด์ •์€ A100 GPU 1์žฅ์œผ๋กœ ์•ฝ 10๋ถ„ ์†Œ์š”.

| ์žฅ์  | ๋‹จ์  |
| ----------------------------------------------------------------------------------- | --------------- |
| 4๋น„ํŠธ์—์„œ ๋†’์€ ์ •ํ™•๋„(ํŠน์ • ์ž‘์—…์—์„œ๋Š” GPTQ๋ฅผ ๋Šฅ๊ฐ€ํ•˜๊ธฐ๋„ ํ•จ). | ์ž์ฒด ์–‘์žํ™” ์‹œ ๋ณด์ • ํ•„์š”. |
| ์ถ”๋ก  ๊ฐ€์†์œผ๋กœ ์ด์–ด์งˆ ์ˆ˜ ์žˆ์Œ. | |
| GPTQ๋ณด๋‹ค ๋ณด์ • ์‹œ๊ฐ„์ด ์งง์€ ํŽธ. | |
| ์‚ฌ์ „ ์–‘์žํ™”๋œ AWQ ๋ชจ๋ธ์ด [Hugging Face Hub](https://huggingface.co/models?other=awq)์— ๋‹ค์ˆ˜ ์กด์žฌ. | |

์ž์„ธํ•œ ๋‚ด์šฉ์€ [AWQ ๋ฌธ์„œ](./awq)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

### ํŠน์ • ํ˜•์‹ ๋กœ๋”ฉ

#### compressed-tensors

| ์žฅ์  | ๋‹จ์  |
| ---------------------- | ----------------------------------- |
| FP8 ๋ฐ ํฌ์†Œ์„ฑ ๋“ฑ ์œ ์—ฐํ•œ ํ˜•์‹ ์ง€์›. | ์ฃผ๋กœ ์‚ฌ์ „ ์–‘์žํ™”๋œ ๋ชจ๋ธ ๋กœ๋”ฉ์šฉ. |
| | Transformers ๋‚ด๋ถ€์—์„œ ์ง์ ‘ ์–‘์žํ™”๋ฅผ ์ˆ˜ํ–‰ํ•˜์ง€๋Š” ์•Š์Œ. |

์ž์„ธํ•œ ๋‚ด์šฉ์€ [compressed-tensors ๋ฌธ์„œ](./compressed_tensors)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

## ํŒŒ์ธํŠœ๋‹(Fine-tuning)

๋ฉ”๋ชจ๋ฆฌ ์ ˆ์•ฝ์„ ์œ„ํ•ด ํŒŒ์ธํŠœ๋‹์—์„œ๋Š” ์•„๋ž˜ ์–‘์žํ™” ๋ฐฉ๋ฒ•์„ ๊ณ ๋ คํ•˜์„ธ์š”.

### bitsandbytes[[training]]

* **์„ค๋ช…:** PEFT๋ฅผ ํ†ตํ•œ QLoRA ํŒŒ์ธํŠœ๋‹์˜ ํ‘œ์ค€ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค.
* **์žฅ์ :** ๋Œ€ํ˜• ๋ชจ๋ธ์„ ์†Œ๋น„์ž์šฉ GPU์—์„œ๋„ ํŒŒ์ธํŠœ๋‹ ๊ฐ€๋Šฅํ•˜๊ณ  PEFT ์ธก์—์„œ ๋„๋ฆฌ ์ง€์›ยท๋ฌธ์„œํ™”๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
* **๋‹จ์ :** ์ฃผ๋กœ NVIDIA GPU ๋Œ€์ƒ์œผ๋กœ ์ตœ์ ํ™”๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.

๋‹ค๋ฅธ ๋ฐฉ๋ฒ•๋“ค๋„ PEFT ํ˜ธํ™˜์„ฑ์„ ์ œ๊ณตํ•˜์ง€๋งŒ, bitsandbytes๊ฐ€ QLoRA ๊ฒฝ๋กœ๋กœ๋Š” ๊ฐ€์žฅ ์ •๋ฆฝ๋˜์–ด ์žˆ๊ณ  ๊ฐ„๋‹จํ•ฉ๋‹ˆ๋‹ค.

์ž์„ธํ•œ ๋‚ด์šฉ์€ [bitsandbytes ๋ฌธ์„œ](./bitsandbytes#qlora)์™€ [PEFT ๋ฌธ์„œ](https://huggingface.co/docs/peft/developer_guides/quantization#aqlm-quantization)๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.

## ์—ฐ๊ตฌ(Research)

[AQLM](./aqlm), [SpQR](./spqr), [VPTQ](./vptq), [HIGGS](./higgs) ๋“ฑ์˜ ๋ฐฉ๋ฒ•์€ 2๋น„ํŠธ ๋ฏธ๋งŒ์˜ ๊ทน๋‹จ์  ์••์ถ•์ด๋‚˜ ์ƒˆ๋กœ์šด ๊ธฐ๋ฒ•์„ ํƒ๊ตฌํ•ฉ๋‹ˆ๋‹ค.

* ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ฒฝ์šฐ ๊ณ ๋ คํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:

* 4๋น„ํŠธ ๋ฏธ๋งŒ์˜ ๊ทนํ•œ ์••์ถ•์ด ํ•„์š”ํ•  ๋•Œ
* ์—ฐ๊ตฌ ๋ชฉ์ ์ด๊ฑฐ๋‚˜ ๊ฐ ๋…ผ๋ฌธ์—์„œ ์ œ์‹œํ•˜๋Š” ์ตœ์‹  ๊ฒฐ๊ณผ๊ฐ€ ํ•„์š”ํ•œ ๊ฒฝ์šฐ
* ๋ณต์žกํ•œ ์–‘์žํ™” ์ ˆ์ฐจ์— ํ•„์š”ํ•œ ์ถฉ๋ถ„ํ•œ ์ปดํ“จํŠธ ์ž์›์ด ์žˆ์„ ๋•Œ

ํ”„๋กœ๋•์…˜ ์‚ฌ์šฉ ์ „์—๋Š” ๊ฐ ๋ฐฉ๋ฒ•์˜ ๋ฌธ์„œ์™€ ๊ด€๋ จ ๋…ผ๋ฌธ์„ ๋ฐ˜๋“œ์‹œ ๋ฉด๋ฐ€ํžˆ ๊ฒ€ํ† ํ•  ๊ฒƒ์„ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.

## ๋ฒค์น˜๋งˆํฌ ๋น„๊ต

์—ฌ๋Ÿฌ ์ธ๊ธฐ ์–‘์žํ™” ๊ธฐ๋ฒ•์„ Llama 3.1 8B ๋ฐ 70B ๋ชจ๋ธ์—์„œ ๋ฒค์น˜๋งˆํฌํ•˜์—ฌ ์ •๋Ÿ‰ ๋น„๊ต๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์•„๋ž˜ ํ‘œ๋Š” ์ •ํ™•๋„(๋†’์„์ˆ˜๋ก ์ข‹์Œ), ํ† ํฐ/์ดˆ๋กœ ์ธก์ •ํ•œ ์ถ”๋ก  ์ฒ˜๋ฆฌ๋Ÿ‰(๋†’์„์ˆ˜๋ก ์ข‹์Œ), ํ”ผํฌ VRAM ์‚ฌ์šฉ๋Ÿ‰(GB, ๋‚ฎ์„์ˆ˜๋ก ์ข‹์Œ), ์–‘์žํ™” ์‹œ๊ฐ„์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.

Llama 3.1 70B(bfloat16)๋Š” NVIDIA A100 80GB 2์žฅ, FP8 ๋ฐฉ๋ฒ•์€ NVIDIA H100 80GB 1์žฅ, ๊ทธ ์™ธ๋Š” NVIDIA A100 80GB 1์žฅ์—์„œ ์ธก์ •ํ–ˆ์Šต๋‹ˆ๋‹ค. ์ฒ˜๋ฆฌ๋Ÿ‰์€ ๋ฐฐ์น˜ ํฌ๊ธฐ 1, 64 ํ† ํฐ ์ƒ์„ฑ์„ ๊ธฐ์ค€์œผ๋กœ ์ธก์ •ํ–ˆ์Šต๋‹ˆ๋‹ค.
์ ์šฉ ๊ฐ€๋Šฅํ•œ ๊ณณ์—๋Š” `torch.compile`๊ณผ Marlin ์ปค๋„ ๊ฒฐ๊ณผ๋„ ํฌํ•จํ–ˆ์Šต๋‹ˆ๋‹ค.

<iframe
src="https://huggingface.co/datasets/derekl35/quantization-benchmarks/embed/viewer/default/train"
frameborder="0"
width="100%"
height="560px"
title="benchmarking results dataset"
></iframe>

ํ•ต์‹ฌ ์š”์•ฝ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

| ์–‘์žํ™” & ๋ฐฉ๋ฒ• | ๋ฉ”๋ชจ๋ฆฌ ์ ˆ๊ฐ(๋Œ€๋น„ bf16) | ์ •ํ™•๋„ | ๊ธฐํƒ€ ๋ฉ”๋ชจ |
| --------------------------------------------- | --------------- | --------------- | ------------------------------------------------------ |
| **8๋น„ํŠธ** (bnb-int8, HQQ, Quanto, torchao, fp8) | ์•ฝ 2๋ฐฐ | bf16 ๊ธฐ์ค€์„ ๊ณผ ๋งค์šฐ ์œ ์‚ฌ | |
| **4๋น„ํŠธ** (AWQ, GPTQ, HQQ, bnb-nf4) | ์•ฝ 4๋ฐฐ | ๋น„๊ต์  ๋†’์€ ์ •ํ™•๋„ | AWQ/GPTQ๋Š” ์ •ํ™•๋„ ์„ ๋„ ์‚ฌ๋ก€ ๋งŽ์œผ๋‚˜ ๋ณด์ • ํ•„์š”. HQQ/bnb-nf4๋Š” ์˜จ๋”ํ”Œ๋ผ์ด๋กœ ๊ฐ„ํŽธ. |
| **4๋น„ํŠธ ๋ฏธ๋งŒ** (VPTQ, AQLM, 2-bit GPTQ) | ๊ทน๋‹จ์ (>4๋ฐฐ) | ํŠนํžˆ 2๋น„ํŠธ์—์„œ ๋šœ๋ ทํ•œ ํ•˜๋ฝ | AQLM, VPTQ๋Š” ์–‘์žํ™” ์‹œ๊ฐ„์ด ๋งค์šฐ ๊ธธ ์ˆ˜ ์žˆ์Œ. ์„ฑ๋Šฅ ํŽธ์ฐจ ํผ. |

> [!TIP]
> ์–‘์žํ™”๋œ ๋ชจ๋ธ์˜ ์„ฑ๋Šฅ(์ •ํ™•๋„์™€ ์†๋„)์€ ํ•ญ์ƒ ์—ฌ๋Ÿฌ๋ถ„์˜ **ํŠน์ • ์ž‘์—…๊ณผ ํ•˜๋“œ์›จ์–ด**์—์„œ ๋ฒค์น˜๋งˆํฌํ•˜์„ธ์š”. ์ž์„ธํ•œ ์‚ฌ์šฉ๋ฒ•์€ ์œ„์— ์—ฐ๊ฒฐํ•œ ๊ฐ ๋ฐฉ๋ฒ•์˜ ๋ฌธ์„œ ํŽ˜์ด์ง€๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.