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<h1 class="relative group"><a id="efficient-training-on-cpu" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#efficient-training-on-cpu"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a>
	<span>CPU에서 효율적인 훈련 
	</span></h1>

<p>이 가이드는 CPU에서 대규모 모델을 효율적으로 훈련하는 데 초점을 맞춥니다.</p>
<h2 class="relative group"><a id="mixed-precision-with-ipex" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#mixed-precision-with-ipex"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a>
	<span>IPEX와 혼합 정밀도 
	</span></h2>

<p>IPEX는 AVX-512 이상을 지원하는 CPU에 최적화되어 있으며, AVX2만 지원하는 CPU에도 기능적으로 작동합니다. 따라서 AVX-512 이상의 Intel CPU 세대에서는 성능상 이점이 있을 것으로 예상되지만, AVX2만 지원하는 CPU (예: AMD CPU 또는 오래된 Intel CPU)의 경우에는 IPEX 아래에서 더 나은 성능을 보일 수 있지만 이는 보장되지 않습니다. IPEX는 Float32와 BFloat16를 모두 사용하여 CPU 훈련을 위한 성능 최적화를 제공합니다. BFloat16의 사용은 다음 섹션의 주요 초점입니다.</p>
<p>저정밀도 데이터 타입인 BFloat16은 3세대 Xeon® Scalable 프로세서 (코드명: Cooper Lake)에서 AVX512 명령어 집합을 네이티브로 지원해 왔으며, 다음 세대의 Intel® Xeon® Scalable 프로세서에서 Intel® Advanced Matrix Extensions (Intel® AMX) 명령어 집합을 지원하여 성능을 크게 향상시킬 예정입니다. CPU 백엔드의 자동 혼합 정밀도 기능은 PyTorch-1.10부터 활성화되었습니다. 동시에, Intel® Extension for PyTorch에서 BFloat16에 대한 CPU의 자동 혼합 정밀도 및 연산자의 BFloat16 최적화를 대규모로 활성화하고, PyTorch 마스터 브랜치로 부분적으로 업스트림을 반영했습니다. 사용자들은 IPEX 자동 혼합 정밀도를 사용하여 더 나은 성능과 사용자 경험을 얻을 수 있습니다.</p>
<p><a href="https://intel.github.io/intel-extension-for-pytorch/cpu/latest/tutorials/features/amp.html" rel="nofollow">자동 혼합 정밀도</a>에 대한 자세한 정보를 확인하십시오.</p>
<h3 class="relative group"><a id="ipex-installation" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#ipex-installation"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a>
	<span>IPEX 설치: 
	</span></h3>

<p>IPEX 릴리스는 PyTorch를 따라갑니다. pip를 통해 설치하려면:</p>
<table><thead><tr><th align="center">PyTorch Version</th>
<th align="center">IPEX version</th></tr></thead>
<tbody><tr><td align="center">1.13</td>
<td align="center">1.13.0+cpu</td></tr>
<tr><td align="center">1.12</td>
<td align="center">1.12.300+cpu</td></tr>
<tr><td align="center">1.11</td>
<td align="center">1.11.200+cpu</td></tr>
<tr><td align="center">1.10</td>
<td align="center">1.10.100+cpu</td></tr></tbody></table>

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	<pre><!-- HTML_TAG_START -->pip install <span class="hljs-built_in">int</span>el_extension_for_pytorch==&lt;version_name&gt; -f https:<span class="hljs-comment">//developer.intel.com/ipex-whl-stable-cpu</span><!-- HTML_TAG_END --></pre></div>
<p><a href="https://intel.github.io/intel-extension-for-pytorch/cpu/latest/tutorials/installation.html" rel="nofollow">IPEX 설치</a>에 대한 더 많은 접근 방법을 확인하십시오.</p>
<h3 class="relative group"><a id="usage-in-trainer" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#usage-in-trainer"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a>
	<span>Trainer에서의 사용법 
	</span></h3>

Trainer에서 IPEX의 자동 혼합 정밀도를 활성화하려면 사용자는 훈련 명령 인수에 `use_ipex`, `bf16`, `no_cuda`를 추가해야 합니다.
<p><a href="https://github.com/huggingface/transformers/tree/main/examples/pytorch/question-answering" rel="nofollow">Transformers 질문-응답</a>의 사용 사례를 살펴보겠습니다.</p>
<ul><li>CPU에서 BF16 자동 혼합 정밀도를 사용하여 IPEX로 훈련하기:<pre> python run_qa.py \
--model_name_or_path bert-base-uncased \
--dataset_name squad \
--do_train \
--do_eval \
--per_device_train_batch_size 12 \
--learning_rate 3e-5 \
--num_train_epochs 2 \
--max_seq_length 384 \
--doc_stride 128 \
--output_dir /tmp/debug_squad/ \
<b>--use_ipex \</b>
<b>--bf16 --no_cuda</b></pre></li></ul>
<h3 class="relative group"><a id="practice-example" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#practice-example"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a>
	<span>실습 예시 
	</span></h3>

<p>블로그: <a href="https://huggingface.co/blog/intel-sapphire-rapids" rel="nofollow">Intel Sapphire Rapids로 PyTorch Transformers 가속화</a></p>


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