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๐ŸŒ [i18n-KO] Translated `perf_infer_cpu.md` to Korean (#24920)



* docs: ko: perf_infer_cpu.md

* feat: chatgpt draft

* fix: manual edits

* Update docs/source/ko/_toctree.yml

* Update docs/source/ko/perf_infer_cpu.md

* Update docs/source/ko/perf_infer_cpu.md

์ด ๋ถ€๋ถ„์€ ์ €๋„ ๊ฑธ๋ฆฌ์ ๊ฑฐ๋ ธ๋˜ ๋ถ€๋ถ„์ž…๋‹ˆ๋‹ค. ๋ฐ˜์˜ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค!
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

* Update docs/source/ko/perf_infer_cpu.md

๋™์˜ํ•ฉ๋‹ˆ๋‹ค! ์ œ๊ฐ€ ์›๋ณธ์— ๋„ˆ๋ฌด ์–ฝ๋งค์—ฌ ์žˆ์—ˆ๋„ค์š”!
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

* Update docs/source/ko/perf_infer_cpu.md

๋ง์”€ํ•˜์‹ ๋Œ€๋กœ ์›๋ฌธ์— ๋„ˆ๋ฌด ์ง‘์ฐฉํ–ˆ๋˜๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

* Update docs/source/ko/perf_infer_cpu.md

๋” ๋‚˜์€ ์–ดํœ˜ ์‚ฌ์šฉ์— ๊ฐ์‚ฌ๋“œ๋ฆฝ๋‹ˆ๋‹ค!
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

* Update docs/source/ko/perf_infer_cpu.md

์ด ๋‹น์‹œ '์ฃผ๊ธฐ'๋ž€ ์šฉ์–ด๋ฅผ ์ƒ๊ฐํ•ด๋‚ด์งˆ ๋ชปํ–ˆ๋„ค์š”...
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

* Update docs/source/ko/perf_infer_cpu.md

์ข€ ๋” ์ž์—ฐ์Šค๋Ÿฌ์šด ๋ฌธ๋งฅ์ด ๋๋„ค์š”!
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

* Update docs/source/ko/perf_infer_cpu.md

๊ตณ์ด ์›๋ณธ ํ˜•์‹์— ์–ฝ๋งค์ผ ํ•„์š”๊ฐ€ ์—†๊ตฐ์š”!
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

* Update docs/source/ko/perf_infer_cpu.md
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>

---------
Co-authored-by: default avatarWonhyeong Seo <wonhseo@kakao.com>
parent b99f7bd4
......@@ -121,8 +121,8 @@
title: (๋ฒˆ์—ญ์ค‘) Training on TPU with TensorFlow
- local: in_translation
title: (๋ฒˆ์—ญ์ค‘) Training on Specialized Hardware
- local: in_translation
title: (๋ฒˆ์—ญ์ค‘) Inference on CPU
- local: perf_infer_cpu
title: CPU๋กœ ์ถ”๋ก ํ•˜๊ธฐ
- local: in_translation
title: (๋ฒˆ์—ญ์ค‘) Inference on one GPU
- local: in_translation
......
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# CPU์—์„œ ํšจ์œจ์ ์ธ ์ถ”๋ก ํ•˜๊ธฐ [[efficient-inference-on-cpu]]
์ด ๊ฐ€์ด๋“œ๋Š” CPU์—์„œ ๋Œ€๊ทœ๋ชจ ๋ชจ๋ธ์„ ํšจ์œจ์ ์œผ๋กœ ์ถ”๋ก ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ์ค‘์ ์„ ๋‘๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
## ๋” ๋น ๋ฅธ ์ถ”๋ก ์„ ์œ„ํ•œ `BetterTransformer` [[bettertransformer-for-faster-inference]]
์šฐ๋ฆฌ๋Š” ์ตœ๊ทผ CPU์—์„œ ํ…์ŠคํŠธ, ์ด๋ฏธ์ง€ ๋ฐ ์˜ค๋””์˜ค ๋ชจ๋ธ์˜ ๋น ๋ฅธ ์ถ”๋ก ์„ ์œ„ํ•ด `BetterTransformer`๋ฅผ ํ†ตํ•ฉํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด ํ†ตํ•ฉ์— ๋Œ€ํ•œ ๋” ์ž์„ธํ•œ ๋‚ด์šฉ์€ [์ด ๋ฌธ์„œ](https://huggingface.co/docs/optimum/bettertransformer/overview)๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”.
## PyTorch JIT ๋ชจ๋“œ (TorchScript) [[pytorch-jitmode-torchscript]]
TorchScript๋Š” PyTorch ์ฝ”๋“œ์—์„œ ์ง๋ ฌํ™”์™€ ์ตœ์ ํ™”๊ฐ€ ๊ฐ€๋Šฅํ•œ ๋ชจ๋ธ์„ ์ƒ์„ฑํ• ๋•Œ ์“ฐ์ž…๋‹ˆ๋‹ค. TorchScript๋กœ ๋งŒ๋“ค์–ด์ง„ ํ”„๋กœ๊ทธ๋žจ์€ ๊ธฐ์กด Python ํ”„๋กœ์„ธ์Šค์—์„œ ์ €์žฅํ•œ ๋’ค, ์ข…์†์„ฑ์ด ์—†๋Š” ์ƒˆ๋กœ์šด ํ”„๋กœ์„ธ์Šค๋กœ ๊ฐ€์ ธ์˜ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. PyTorch์˜ ๊ธฐ๋ณธ ์„ค์ •์ธ `eager` ๋ชจ๋“œ์™€ ๋น„๊ตํ–ˆ์„๋•Œ, `jit` ๋ชจ๋“œ๋Š” ์—ฐ์‚ฐ์ž ๊ฒฐํ•ฉ๊ณผ ๊ฐ™์€ ์ตœ์ ํ™” ๋ฐฉ๋ฒ•๋ก ์„ ํ†ตํ•ด ๋ชจ๋ธ ์ถ”๋ก ์—์„œ ๋Œ€๋ถ€๋ถ„ ๋” ๋‚˜์€ ์„ฑ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
TorchScript์— ๋Œ€ํ•œ ์นœ์ ˆํ•œ ์†Œ๊ฐœ๋Š” [PyTorch TorchScript ํŠœํ† ๋ฆฌ์–ผ](https://pytorch.org/tutorials/beginner/Intro_to_TorchScript_tutorial.html#tracing-modules)์„ ์ฐธ์กฐํ•˜์„ธ์š”.
### JIT ๋ชจ๋“œ์™€ ํ•จ๊ป˜ํ•˜๋Š” IPEX ๊ทธ๋ž˜ํ”„ ์ตœ์ ํ™” [[ipex-graph-optimization-with-jitmode]]
Intelยฎ Extension for PyTorch(IPEX)๋Š” Transformers ๊ณ„์—ด ๋ชจ๋ธ์˜ jit ๋ชจ๋“œ์—์„œ ์ถ”๊ฐ€์ ์ธ ์ตœ์ ํ™”๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. jit ๋ชจ๋“œ์™€ ๋”๋ถˆ์–ด Intelยฎ Extension for PyTorch(IPEX)๋ฅผ ํ™œ์šฉํ•˜์‹œ๊ธธ ๊ฐ•๋ ฅํžˆ ๊ถŒ์žฅ๋“œ๋ฆฝ๋‹ˆ๋‹ค. Transformers ๋ชจ๋ธ์—์„œ ์ž์ฃผ ์‚ฌ์šฉ๋˜๋Š” ์ผ๋ถ€ ์—ฐ์‚ฐ์ž ํŒจํ„ด์€ ์ด๋ฏธ jit ๋ชจ๋“œ ์—ฐ์‚ฐ์ž ๊ฒฐํ•ฉ(operator fusion)์˜ ํ˜•ํƒœ๋กœ Intelยฎ Extension for PyTorch(IPEX)์—์„œ ์ง€์›๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. Multi-head-attention, Concat Linear, Linear+Add, Linear+Gelu, Add+LayerNorm ๊ฒฐํ•ฉ ํŒจํ„ด ๋“ฑ์ด ์ด์šฉ ๊ฐ€๋Šฅํ•˜๋ฉฐ ํ™œ์šฉํ–ˆ์„ ๋•Œ ์„ฑ๋Šฅ์ด ์šฐ์ˆ˜ํ•ฉ๋‹ˆ๋‹ค. ์—ฐ์‚ฐ์ž ๊ฒฐํ•ฉ์˜ ์ด์ ์€ ์‚ฌ์šฉ์ž์—๊ฒŒ ๊ณ ์Šค๋ž€ํžˆ ์ „๋‹ฌ๋ฉ๋‹ˆ๋‹ค. ๋ถ„์„์— ๋”ฐ๋ฅด๋ฉด, ์งˆ์˜ ์‘๋‹ต, ํ…์ŠคํŠธ ๋ถ„๋ฅ˜ ๋ฐ ํ† ํฐ ๋ถ„๋ฅ˜์™€ ๊ฐ™์€ ๊ฐ€์žฅ ์ธ๊ธฐ ์žˆ๋Š” NLP ํƒœ์Šคํฌ ์ค‘ ์•ฝ 70%๊ฐ€ ์ด๋Ÿฌํ•œ ๊ฒฐํ•ฉ ํŒจํ„ด์„ ์‚ฌ์šฉํ•˜์—ฌ Float32 ์ •๋ฐ€๋„์™€ BFloat16 ํ˜ผํ•ฉ ์ •๋ฐ€๋„ ๋ชจ๋‘์—์„œ ์„ฑ๋Šฅ์ƒ์˜ ์ด์ ์„ ์–ป์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
[IPEX ๊ทธ๋ž˜ํ”„ ์ตœ์ ํ™”](https://intel.github.io/intel-extension-for-pytorch/cpu/latest/tutorials/features/graph_optimization.html)์— ๋Œ€ํ•œ ์ž์„ธํ•œ ์ •๋ณด๋ฅผ ํ™•์ธํ•˜์„ธ์š”.
#### IPEX ์„ค์น˜: [[ipex-installation]]
IPEX ๋ฐฐํฌ ์ฃผ๊ธฐ๋Š” PyTorch๋ฅผ ๋”ฐ๋ผ์„œ ์ด๋ฃจ์–ด์ง‘๋‹ˆ๋‹ค. ์ž์„ธํ•œ ์ •๋ณด๋Š” [IPEX ์„ค์น˜ ๋ฐฉ๋ฒ•](https://intel.github.io/intel-extension-for-pytorch/)์„ ํ™•์ธํ•˜์„ธ์š”.
### JIT ๋ชจ๋“œ ์‚ฌ์šฉ๋ฒ• [[usage-of-jitmode]]
ํ‰๊ฐ€ ๋˜๋Š” ์˜ˆ์ธก์„ ์œ„ํ•ด Trainer์—์„œ JIT ๋ชจ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜๋ ค๋ฉด Trainer์˜ ๋ช…๋ น ์ธ์ˆ˜์— `jit_mode_eval`์„ ์ถ”๊ฐ€ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
<Tip warning={true}>
PyTorch์˜ ๋ฒ„์ „์ด 1.14.0 ์ด์ƒ์ด๋ผ๋ฉด, jit ๋ชจ๋“œ๋Š” jit.trace์—์„œ dict ์ž…๋ ฅ์ด ์ง€์›๋˜๋ฏ€๋กœ, ๋ชจ๋“  ๋ชจ๋ธ์˜ ์˜ˆ์ธก๊ณผ ํ‰๊ฐ€๊ฐ€ ๊ฐœ์„ ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
PyTorch์˜ ๋ฒ„์ „์ด 1.14.0 ๋ฏธ๋งŒ์ด๋ผ๋ฉด, ์งˆ์˜ ์‘๋‹ต ๋ชจ๋ธ๊ณผ ๊ฐ™์ด forward ๋งค๊ฐœ๋ณ€์ˆ˜์˜ ์ˆœ์„œ๊ฐ€ jit.trace์˜ ํŠœํ”Œ ์ž…๋ ฅ ์ˆœ์„œ์™€ ์ผ์น˜ํ•˜๋Š” ๋ชจ๋ธ์— ๋“์ด ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ…์ŠคํŠธ ๋ถ„๋ฅ˜ ๋ชจ๋ธ๊ณผ ๊ฐ™์ด forward ๋งค๊ฐœ๋ณ€์ˆ˜ ์ˆœ์„œ๊ฐ€ jit.trace์˜ ํŠœํ”Œ ์ž…๋ ฅ ์ˆœ์„œ์™€ ๋‹ค๋ฅธ ๊ฒฝ์šฐ, jit.trace๊ฐ€ ์‹คํŒจํ•˜๋ฉฐ ์˜ˆ์™ธ๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. ์ด๋•Œ ์˜ˆ์™ธ์ƒํ™ฉ์„ ์‚ฌ์šฉ์ž์—๊ฒŒ ์•Œ๋ฆฌ๊ธฐ ์œ„ํ•ด Logging์ด ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
</Tip>
[Transformers ์งˆ์˜ ์‘๋‹ต](https://github.com/huggingface/transformers/tree/main/examples/pytorch/question-answering)์˜ ์‚ฌ์šฉ ์‚ฌ๋ก€ ์˜ˆ์‹œ๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”.
- CPU์—์„œ jit ๋ชจ๋“œ๋ฅผ ์‚ฌ์šฉํ•œ ์ถ”๋ก :
<pre>python run_qa.py \
--model_name_or_path csarron/bert-base-uncased-squad-v1 \
--dataset_name squad \
--do_eval \
--max_seq_length 384 \
--doc_stride 128 \
--output_dir /tmp/ \
--no_cuda \
<b>--jit_mode_eval </b></pre>
- CPU์—์„œ IPEX์™€ ํ•จ๊ป˜ jit ๋ชจ๋“œ๋ฅผ ์‚ฌ์šฉํ•œ ์ถ”๋ก :
<pre>python run_qa.py \
--model_name_or_path csarron/bert-base-uncased-squad-v1 \
--dataset_name squad \
--do_eval \
--max_seq_length 384 \
--doc_stride 128 \
--output_dir /tmp/ \
--no_cuda \
<b>--use_ipex \</b>
<b>--jit_mode_eval</b></pre>
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