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# Apple Silicon (M1/M2)์—์„œ Stable Diffusion์„ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•
Diffusers๋Š” Stable Diffusion ์ถ”๋ก ์„ ์œ„ํ•ด PyTorch `mps`๋ฅผ ์‚ฌ์šฉํ•ด Apple ์‹ค๋ฆฌ์ฝ˜๊ณผ ํ˜ธํ™˜๋ฉ๋‹ˆ๋‹ค. ๋‹ค์Œ์€ Stable Diffusion์ด ์žˆ๋Š” M1 ๋˜๋Š” M2 ์ปดํ“จํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด ๋”ฐ๋ผ์•ผ ํ•˜๋Š” ๋‹จ๊ณ„์ž…๋‹ˆ๋‹ค.
## ์š”๊ตฌ ์‚ฌํ•ญ
- Apple silicon (M1/M2) ํ•˜๋“œ์›จ์–ด์˜ Mac ์ปดํ“จํ„ฐ.
- macOS 12.6 ๋˜๋Š” ์ดํ›„ (13.0 ๋˜๋Š” ์ดํ›„ ์ถ”์ฒœ).
- Python arm64 ๋ฒ„์ „
- PyTorch 2.0(์ถ”์ฒœ) ๋˜๋Š” 1.13(`mps`๋ฅผ ์ง€์›ํ•˜๋Š” ์ตœ์†Œ ๋ฒ„์ „). Yhttps://pytorch.org/get-started/locally/์˜ ์ง€์นจ์— ๋”ฐ๋ผ `pip` ๋˜๋Š” `conda`๋กœ ์„ค์น˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
## ์ถ”๋ก  ํŒŒ์ดํ”„๋ผ์ธ
์•„๋ž˜ ์ฝ”๋„๋Š” ์ต์ˆ™ํ•œ `to()` ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ `mps` ๋ฐฑ์—”๋“œ๋กœ Stable Diffusion ํŒŒ์ดํ”„๋ผ์ธ์„ M1 ๋˜๋Š” M2 ์žฅ์น˜๋กœ ์ด๋™ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
<Tip warning={true}>
**PyTorch 1.13์„ ์‚ฌ์šฉ ์ค‘์ผ ๋•Œ ** ์ถ”๊ฐ€ ์ผํšŒ์„ฑ ์ „๋‹ฌ์„ ์‚ฌ์šฉํ•˜์—ฌ ํŒŒ์ดํ”„๋ผ์ธ์„ "ํ”„๋ผ์ด๋ฐ"ํ•˜๋Š” ๊ฒƒ์„ ์ถ”์ฒœํ•ฉ๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋ฐœ๊ฒฌํ•œ ์ด์ƒํ•œ ๋ฌธ์ œ์— ๋Œ€ํ•œ ์ž„์‹œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. ์ฒซ ๋ฒˆ์งธ ์ถ”๋ก  ์ „๋‹ฌ์€ ํ›„์† ์ „๋‹ฌ์™€ ์•ฝ๊ฐ„ ๋‹ค๋ฅธ ๊ฒฐ๊ณผ๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค. ์ด ์ „๋‹ฌ์€ ํ•œ ๋ฒˆ๋งŒ ์ˆ˜ํ–‰ํ•˜๋ฉด ๋˜๋ฉฐ ์ถ”๋ก  ๋‹จ๊ณ„๋ฅผ ํ•œ ๋ฒˆ๋งŒ ์‚ฌ์šฉํ•˜๊ณ  ๊ฒฐ๊ณผ๋ฅผ ํ๊ธฐํ•ด๋„ ๋ฉ๋‹ˆ๋‹ค.
</Tip>
์ด์ „ ํŒ์—์„œ ์„ค๋ช…ํ•œ ๊ฒƒ๋“ค์„ ํฌํ•จํ•œ ์—ฌ๋Ÿฌ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋ฏ€๋กœ PyTorch 2 ์ด์ƒ์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
```python
# `huggingface-cli login`์— ๋กœ๊ทธ์ธ๋˜์–ด ์žˆ์Œ์„ ํ™•์ธ
from diffusers import DiffusionPipeline
pipe = DiffusionPipeline.from_pretrained("runwayml/stable-diffusion-v1-5")
pipe = pipe.to("mps")
# ์ปดํ“จํ„ฐ๊ฐ€ 64GB ์ดํ•˜์˜ RAM ๋žจ์ผ ๋•Œ ์ถ”์ฒœ
pipe.enable_attention_slicing()
prompt = "a photo of an astronaut riding a horse on mars"
# ์ฒ˜์Œ "์›Œ๋ฐ์—…" ์ „๋‹ฌ (์œ„ ์„ค๋ช…์„ ๋ณด์„ธ์š”)
_ = pipe(prompt, num_inference_steps=1)
# ๊ฒฐ๊ณผ๋Š” ์›Œ๋ฐ์—… ์ „๋‹ฌ ํ›„์˜ CPU ์žฅ์น˜์˜ ๊ฒฐ๊ณผ์™€ ์ผ์น˜ํ•ฉ๋‹ˆ๋‹ค.
image = pipe(prompt).images[0]
```
## ์„ฑ๋Šฅ ์ถ”์ฒœ
M1/M2 ์„ฑ๋Šฅ์€ ๋ฉ”๋ชจ๋ฆฌ ์••๋ ฅ์— ๋งค์šฐ ๋ฏผ๊ฐํ•ฉ๋‹ˆ๋‹ค. ์‹œ์Šคํ…œ์€ ํ•„์š”ํ•œ ๊ฒฝ์šฐ ์ž๋™์œผ๋กœ ์Šค์™‘๋˜์ง€๋งŒ ์Šค์™‘ํ•  ๋•Œ ์„ฑ๋Šฅ์ด ํฌ๊ฒŒ ์ €ํ•˜๋ฉ๋‹ˆ๋‹ค.
ํŠนํžˆ ์ปดํ“จํ„ฐ์˜ ์‹œ์Šคํ…œ RAM์ด 64GB ๋ฏธ๋งŒ์ด๊ฑฐ๋‚˜ 512 ร— 512ํ”ฝ์…€๋ณด๋‹ค ํฐ ๋น„ํ‘œ์ค€ ํ•ด์ƒ๋„์—์„œ ์ด๋ฏธ์ง€๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๊ฒฝ์šฐ, ์ถ”๋ก  ์ค‘์— ๋ฉ”๋ชจ๋ฆฌ ์••๋ ฅ์„ ์ค„์ด๊ณ  ์Šค์™€ํ•‘์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด *์–ดํ…์…˜ ์Šฌ๋ผ์ด์‹ฑ*์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค. ์–ดํ…์…˜ ์Šฌ๋ผ์ด์‹ฑ์€ ๋น„์šฉ์ด ๋งŽ์ด ๋“œ๋Š” ์–ดํ…์…˜ ์ž‘์—…์„ ํ•œ ๋ฒˆ์— ๋ชจ๋‘ ์ˆ˜ํ–‰ํ•˜๋Š” ๋Œ€์‹  ์—ฌ๋Ÿฌ ๋‹จ๊ณ„๋กœ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ ๋ฒ”์šฉ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ์—†๋Š” ์ปดํ“จํ„ฐ์—์„œ ~20%์˜ ์„ฑ๋Šฅ ์˜ํ–ฅ์„ ๋ฏธ์น˜์ง€๋งŒ 64GB ์ด์ƒ์ด ์•„๋‹Œ ๊ฒฝ์šฐ ๋Œ€๋ถ€๋ถ„์˜ Apple Silicon ์ปดํ“จํ„ฐ์—์„œ *๋” ๋‚˜์€ ์„ฑ๋Šฅ*์ด ๊ด€์ฐฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
```python
pipeline.enable_attention_slicing()
```
## Known Issues
- ์—ฌ๋Ÿฌ ํ”„๋กฌํ”„ํŠธ๋ฅผ ๋ฐฐ์น˜๋กœ ์ƒ์„ฑํ•˜๋Š” ๊ฒƒ์€ [์ถฉ๋Œ์ด ๋ฐœ์ƒํ•˜๊ฑฐ๋‚˜ ์•ˆ์ •์ ์œผ๋กœ ์ž‘๋™ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค](https://github.com/huggingface/diffusers/issues/363). ์šฐ๋ฆฌ๋Š” ์ด๊ฒƒ์ด [PyTorch์˜ `mps` ๋ฐฑ์—”๋“œ](https://github.com/pytorch/pytorch/issues/84039)์™€ ๊ด€๋ จ์ด ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. ์ด ๋ฌธ์ œ๋Š” ํ•ด๊ฒฐ๋˜๊ณ  ์žˆ์ง€๋งŒ ์ง€๊ธˆ์€ ๋ฐฐ์น˜ ๋Œ€์‹  ๋ฐ˜๋ณต ๋ฐฉ๋ฒ•์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.