{"id":78756,"date":"2026-02-28T04:41:11","date_gmt":"2026-02-27T20:41:11","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/78756.html"},"modified":"2026-02-28T04:41:11","modified_gmt":"2026-02-27T20:41:11","slug":"%e7%94%a8accelerate%e5%ba%93%e4%b8%89%e8%a1%8c%e4%bb%a3%e7%a0%81%e6%90%9e%e5%ae%9apytorch%e5%88%86%e5%b8%83%e5%bc%8f%e8%ae%ad%e7%bb%83%ef%bc%9a%e4%bb%8e%e5%b7%a5%e7%a8%8b%e5%99%a9%e6%a2%a6%e5%88%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/78756.html","title":{"rendered":"\u7528Accelerate\u5e93\u4e09\u884c\u4ee3\u7801\u641e\u5b9aPyTorch\u5206\u5e03\u5f0f\u8bad\u7ec3\uff1a\u4ece\u5de5\u7a0b\u5669\u68a6\u5230\u751f\u4ea7\u7ea7\u8303\u5f0f\u91cd\u6784"},"content":{"rendered":"<h2>\u7528Accelerate\u5e93\u4e09\u884c\u4ee3\u7801\u641e\u5b9aPyTorch\u5206\u5e03\u5f0f\u8bad\u7ec3&#xff1a;\u4ece\u5de5\u7a0b\u5669\u68a6\u5230\u751f\u4ea7\u7ea7\u8303\u5f0f\u91cd\u6784<\/h2>\n<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u7528Accelerate\u5e93\u4e09\u884c\u4ee3\u7801\u641e\u5b9aPyTorch\u5206\u5e03\u5f0f\u8bad\u7ec3&#xff1a;\u4ece\u5de5\u7a0b\u5669\u68a6\u5230\u751f\u4ea7\u7ea7\u8303\u5f0f\u91cd\u6784<\/li>\n<li>\n<ul>\n<li>\u4e00\u3001\u5206\u5e03\u5f0f\u8bad\u7ec3&#xff1a;\u4ece\u201c\u786c\u4ef6\u5806\u53e0\u201d\u5230\u201c\u62bd\u8c61\u91cd\u6784\u201d<\/li>\n<li>\u4e8c\u3001\u4ec0\u4e48\u662fAccelerate&#xff1f;<\/li>\n<li>\u4e09\u3001\u4e09\u884c\u4ee3\u7801&#xff1a;\u771f\u6b63\u7684\u6838\u5fc3\u62bd\u8c61<\/li>\n<li>\n<ul>\n<li>\u5b83\u80cc\u540e\u505a\u4e86\u4ec0\u4e48&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u5de5\u7a0b\u7ef4\u5ea6\u5206\u6790&#xff1a;Accelerate\u7684\u80fd\u529b\u6620\u5c04<\/li>\n<li>\n<ul>\n<li>1\ufe0f\u20e3 \u6280\u672f\u80fd\u529b\u6620\u5c04<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001\u5b8c\u6574\u8bad\u7ec3\u8303\u5f0f&#xff08;\u4e13\u4e1a\u7248&#xff09;<\/li>\n<li>\u516d\u3001Accelerate\u4e0e\u5206\u5e03\u5f0f\u7b56\u7565\u7684\u5173\u7cfb<\/li>\n<li>\n<ul>\n<li>\u5b83\u652f\u6301\u54ea\u4e9b\u7b56\u7565&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<li>\u4e03\u3001\u65f6\u95f4\u8f74\u89c6\u89d2&#xff1a;\u73b0\u5728\u4e0e\u672a\u6765<\/li>\n<li>\n<ul>\n<li>\u73b0\u5728&#xff08;2026\u5e74\u73b0\u72b6&#xff09;<\/li>\n<li>\u672a\u67655-10\u5e74<\/li>\n<\/ul>\n<\/li>\n<li>\u516b\u3001\u4ef7\u503c\u94fe\u5206\u6790&#xff1a;\u8c01\u5728\u53d7\u76ca&#xff1f;<\/li>\n<li>\u4e5d\u3001\u95ee\u9898\u4e0e\u6311\u6218<\/li>\n<li>\n<ul>\n<li>1\ufe0f\u20e3 \u6027\u80fd\u8c03\u4f18\u7a7a\u95f4\u6709\u9650<\/li>\n<li>2\ufe0f\u20e3 Debug\u590d\u6742\u5ea6<\/li>\n<li>3\ufe0f\u20e3 \u62bd\u8c61\u4e0e\u63a7\u5236\u7684\u6743\u8861<\/li>\n<\/ul>\n<\/li>\n<li>\u5341\u3001\u4e00\u4e2a\u73b0\u5b9e\u6848\u4f8b&#xff1a;\u4ece\u5355\u5361\u52308\u5361<\/li>\n<li>\u5341\u4e00\u3001\u4e0e\u7eafDDP\u7684\u6df1\u5ea6\u5bf9\u6bd4<\/li>\n<li>\u5341\u4e8c\u3001\u8de8\u754c\u89c6\u89d2&#xff1a;\u5206\u5e03\u5f0f\u8bad\u7ec3\u7684\u201c\u8f6f\u4ef6\u5de5\u7a0b\u5316\u201d<\/li>\n<li>\u5341\u4e09\u3001\u4e00\u4e2a\u66f4\u6df1\u5c42\u95ee\u9898&#xff1a;\u4e09\u884c\u4ee3\u7801\u662f\u5426\u4f1a\u524a\u5f31\u7406\u89e3&#xff1f;<\/li>\n<li>\u5341\u56db\u3001\u672a\u6765\u8d8b\u52bf\u9884\u6d4b<\/li>\n<li>\u5341\u4e94\u3001\u603b\u7ed3&#xff1a;\u4e09\u884c\u4ee3\u7801\u7684\u771f\u6b63\u542b\u4e49<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e00\u3001\u5206\u5e03\u5f0f\u8bad\u7ec3&#xff1a;\u4ece\u201c\u786c\u4ef6\u5806\u53e0\u201d\u5230\u201c\u62bd\u8c61\u91cd\u6784\u201d<\/h3>\n<p>\u5728\u5927\u6a21\u578b\u65f6\u4ee3&#xff0c;\u5206\u5e03\u5f0f\u8bad\u7ec3\u65e9\u5df2\u4ece\u201c\u6027\u80fd\u4f18\u5316\u9009\u9879\u201d\u6f14\u53d8\u4e3a\u201c\u57fa\u7840\u8bbe\u65bd\u524d\u63d0\u201d\u3002 \u4f46\u771f\u6b63\u7684\u75db\u70b9\u5e76\u4e0d\u5728\u7b97\u529b&#xff0c;\u800c\u5728\u5de5\u7a0b\u590d\u6742\u5ea6\u3002<\/p>\n<p>\u5728\u4f20\u7edf\u7684 PyTorch \u5206\u5e03\u5f0f\u8bad\u7ec3&#xff08;DDP&#xff09; \u4e2d&#xff0c;\u6211\u4eec\u901a\u5e38\u8981\u5904\u7406&#xff1a;<\/p>\n<ul>\n<li>\u591a\u8fdb\u7a0b\u521d\u59cb\u5316<\/li>\n<li>backend \u9009\u62e9&#xff08;NCCL \/ GLOO&#xff09;<\/li>\n<li>rank\/world_size \u7ba1\u7406<\/li>\n<li>\u663e\u5f0f\u8c03\u7528 init_process_group<\/li>\n<li>\u6570\u636e\u5e76\u884c\u4e0b\u7684 sampler \u540c\u6b65<\/li>\n<li>\u6df7\u5408\u7cbe\u5ea6\u7ba1\u7406<\/li>\n<li>\u591a\u5361\u65e5\u5fd7\u51b2\u7a81<\/li>\n<li>\u591a\u673a\u73af\u5883\u53d8\u91cf\u914d\u7f6e<\/li>\n<\/ul>\n<p>\u5176\u5de5\u7a0b\u7ed3\u6784\u5f80\u5f80\u7c7b\u4f3c\u8fd9\u6837&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> torch<br \/>\n<span class=\"token keyword\">import<\/span> torch<span class=\"token punctuation\">.<\/span>distributed <span class=\"token keyword\">as<\/span> dist<br \/>\n<span class=\"token keyword\">from<\/span> torch<span class=\"token punctuation\">.<\/span>nn<span class=\"token punctuation\">.<\/span>parallel <span class=\"token keyword\">import<\/span> DistributedDataParallel <span class=\"token keyword\">as<\/span> DDP<\/p>\n<p>dist<span class=\"token punctuation\">.<\/span>init_process_group<span class=\"token punctuation\">(<\/span>backend<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;nccl&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>model <span class=\"token operator\">&#061;<\/span> MyModel<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>to<span class=\"token punctuation\">(<\/span>local_rank<span class=\"token punctuation\">)<\/span><br \/>\nmodel <span class=\"token operator\">&#061;<\/span> DDP<span class=\"token punctuation\">(<\/span>model<span class=\"token punctuation\">,<\/span> device_ids<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span>local_rank<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>train_loader <span class=\"token operator\">&#061;<\/span> DataLoader<span class=\"token punctuation\">(<\/span><br \/>\n    dataset<span class=\"token punctuation\">,<\/span><br \/>\n    sampler<span class=\"token operator\">&#061;<\/span>DistributedSampler<span class=\"token punctuation\">(<\/span>dataset<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u95ee\u9898\u4e0d\u5728\u4e8e\u201c\u5199\u4e0d\u5199\u5f97\u51fa\u6765\u201d&#xff0c;\u800c\u5728\u4e8e&#xff1a;<\/p>\n<p>\u5f53\u4f60\u628a\u6a21\u578b\u3001AMP\u3001\u68af\u5ea6\u7d2f\u79ef\u3001\u591a\u8282\u70b9\u90e8\u7f72\u3001\u6df7\u5408\u7cbe\u5ea6\u3001\u68c0\u67e5\u70b9\u6062\u590d\u7ec4\u5408\u5728\u4e00\u8d77\u65f6&#xff0c;\u7cfb\u7edf\u590d\u6742\u5ea6\u5448\u6307\u6570\u7ea7\u4e0a\u5347\u3002<\/p>\n<p>\u8fd9\u6b63\u662f Accelerate \u7684\u4ef7\u503c\u6240\u5728\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u4ec0\u4e48\u662fAccelerate&#xff1f;<\/h3>\n<p>Accelerate \u662f\u4e00\u4e2a\u5bf9 PyTorch \u5206\u5e03\u5f0f\u4f53\u7cfb\u7684\u201c\u62bd\u8c61\u5c42\u91cd\u6784\u201d\u3002<\/p>\n<p>\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u4e0d\u662f\u91cd\u65b0\u5b9e\u73b0\u5206\u5e03\u5f0f&#xff0c;\u800c\u662f&#xff1a;<\/p>\n<p>\u7edf\u4e00\u5c01\u88c5\u5206\u5e03\u5f0f\u3001\u6df7\u5408\u7cbe\u5ea6\u3001\u8bbe\u5907\u7ba1\u7406&#xff0c;\u4f7f\u8bad\u7ec3\u4ee3\u7801\u4fdd\u6301\u201c\u5355\u673a\u7ed3\u6784\u201d\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a&#xff1a;<\/p>\n<ul>\n<li>\u5bf9 DDP \u7684\u5c01\u88c5<\/li>\n<li>\u5bf9 AMP \u7684\u5c01\u88c5<\/li>\n<li>\u5bf9\u591a GPU \/ \u591a\u8282\u70b9 \/ TPU \u7684\u7edf\u4e00\u63a5\u53e3<\/li>\n<li>\u5bf9\u8bad\u7ec3\u6d41\u7a0b\u7684\u91cd\u6392\u63a7\u5236\u5668<\/li>\n<\/ul>\n<p>\u5176\u67b6\u6784\u6838\u5fc3\u5982\u4e0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260227204108-69a201641e6d4.png\" alt=\"\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230&#xff0c;\u5b83\u5e76\u4e0d\u662f\u6539\u53d8 PyTorch&#xff0c;\u800c\u662f\u6784\u5efa\u4e00\u4e2a Runtime Orchestrator\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u4e09\u884c\u4ee3\u7801&#xff1a;\u771f\u6b63\u7684\u6838\u5fc3\u62bd\u8c61<\/h3>\n<p>Accelerate \u7684\u7cbe\u9ad3\u5728\u4e8e\u8fd9\u4e09\u884c&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> accelerate <span class=\"token keyword\">import<\/span> Accelerator<\/p>\n<p>accelerator <span class=\"token operator\">&#061;<\/span> Accelerator<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>model<span class=\"token punctuation\">,<\/span> optimizer<span class=\"token punctuation\">,<\/span> dataloader <span class=\"token operator\">&#061;<\/span> accelerator<span class=\"token punctuation\">.<\/span>prepare<span class=\"token punctuation\">(<\/span><br \/>\n    model<span class=\"token punctuation\">,<\/span> optimizer<span class=\"token punctuation\">,<\/span> dataloader<br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5c31\u8fd9\u4e48\u7b80\u5355\u3002<\/p>\n<h4>\u5b83\u80cc\u540e\u505a\u4e86\u4ec0\u4e48&#xff1f;<\/h4>\n<p>accelerator.prepare() \u4f1a\u81ea\u52a8&#xff1a;<\/p>\n<li>\u68c0\u6d4b\u662f\u5426\u4e3a\u591a GPU \u73af\u5883<\/li>\n<li>\u521d\u59cb\u5316\u5206\u5e03\u5f0f\u901a\u4fe1<\/li>\n<li>\u81ea\u52a8\u5305\u88f9 DDP<\/li>\n<li>\u66ff\u6362 DataLoader sampler<\/li>\n<li>\u5904\u7406 mixed precision<\/li>\n<li>\u540c\u6b65\u68af\u5ea6<\/li>\n<li>\u7edf\u4e00 device \u7ba1\u7406<\/li>\n<p>\u8fd9\u610f\u5473\u7740&#xff1a;<\/p>\n<ul>\n<li>\u4f60\u5199\u7684\u662f\u5355\u5361\u903b\u8f91<\/li>\n<li>\u5b83\u8fd0\u884c\u7684\u662f\u591a\u5361\u7ed3\u6784<\/li>\n<\/ul>\n<hr \/>\n<h3>\u56db\u3001\u5de5\u7a0b\u7ef4\u5ea6\u5206\u6790&#xff1a;Accelerate\u7684\u80fd\u529b\u6620\u5c04<\/h3>\n<h4>1\ufe0f\u20e3 \u6280\u672f\u80fd\u529b\u6620\u5c04<\/h4>\n<table>\n<tr>\u80fd\u529b\u4f20\u7edf\u5b9e\u73b0Accelerate<\/tr>\n<tbody>\n<tr>\n<td>\u591aGPU<\/td>\n<td>DDP<\/td>\n<td>\u81ea\u52a8\u5c01\u88c5<\/td>\n<\/tr>\n<tr>\n<td>\u6df7\u5408\u7cbe\u5ea6<\/td>\n<td>autocast &#043; GradScaler<\/td>\n<td>\u5185\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u8282\u70b9<\/td>\n<td>\u624b\u52a8\u914d\u7f6e<\/td>\n<td>CLI\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>\u65e5\u5fd7\u540c\u6b65<\/td>\n<td>\u624b\u52a8\u63a7\u5236 rank<\/td>\n<td>\u81ea\u52a8<\/td>\n<\/tr>\n<tr>\n<td>\u68af\u5ea6\u7d2f\u79ef<\/td>\n<td>\u81ea\u5199\u903b\u8f91<\/td>\n<td>\u5185\u7f6e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Accelerate \u672c\u8d28\u4e0a\u662f \u8bad\u7ec3\u6d41\u7a0b\u7f16\u6392\u5668&#xff08;Training Orchestrator&#xff09;\u3002<\/p>\n<hr \/>\n<h3>\u4e94\u3001\u5b8c\u6574\u8bad\u7ec3\u8303\u5f0f&#xff08;\u4e13\u4e1a\u7248&#xff09;<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u771f\u6b63\u751f\u4ea7\u53ef\u7528\u7684\u8303\u5f0f&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> accelerate <span class=\"token keyword\">import<\/span> Accelerator<br \/>\n<span class=\"token keyword\">import<\/span> torch<br \/>\n<span class=\"token keyword\">from<\/span> torch<span class=\"token punctuation\">.<\/span>utils<span class=\"token punctuation\">.<\/span>data <span class=\"token keyword\">import<\/span> DataLoader<\/p>\n<p>accelerator <span class=\"token operator\">&#061;<\/span> Accelerator<span class=\"token punctuation\">(<\/span>mixed_precision<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;fp16&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>model <span class=\"token operator\">&#061;<\/span> MyModel<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\noptimizer <span class=\"token operator\">&#061;<\/span> torch<span class=\"token punctuation\">.<\/span>optim<span class=\"token punctuation\">.<\/span>AdamW<span class=\"token punctuation\">(<\/span>model<span class=\"token punctuation\">.<\/span>parameters<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> lr<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3e-5<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndataloader <span class=\"token operator\">&#061;<\/span> DataLoader<span class=\"token punctuation\">(<\/span>dataset<span class=\"token punctuation\">,<\/span> batch_size<span class=\"token operator\">&#061;<\/span><span class=\"token number\">32<\/span><span class=\"token punctuation\">,<\/span> shuffle<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>model<span class=\"token punctuation\">,<\/span> optimizer<span class=\"token punctuation\">,<\/span> dataloader <span class=\"token operator\">&#061;<\/span> accelerator<span class=\"token punctuation\">.<\/span>prepare<span class=\"token punctuation\">(<\/span><br \/>\n    model<span class=\"token punctuation\">,<\/span> optimizer<span class=\"token punctuation\">,<\/span> dataloader<br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">for<\/span> epoch <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">range<\/span><span class=\"token punctuation\">(<\/span>num_epochs<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> batch <span class=\"token keyword\">in<\/span> dataloader<span class=\"token punctuation\">:<\/span><br \/>\n        outputs <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">(<\/span>batch<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;input&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        loss <span class=\"token operator\">&#061;<\/span> outputs<span class=\"token punctuation\">.<\/span>loss<\/p>\n<p>        accelerator<span class=\"token punctuation\">.<\/span>backward<span class=\"token punctuation\">(<\/span>loss<span class=\"token punctuation\">)<\/span><br \/>\n        optimizer<span class=\"token punctuation\">.<\/span>step<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        optimizer<span class=\"token punctuation\">.<\/span>zero_grad<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5173\u952e\u70b9&#xff1a;<\/p>\n<ul>\n<li>\u4e0d\u518d\u4f7f\u7528 loss.backward()<\/li>\n<li>\u5fc5\u987b\u4f7f\u7528 accelerator.backward()<\/li>\n<li>AMP \u81ea\u52a8\u5904\u7406<\/li>\n<\/ul>\n<hr \/>\n<h3>\u516d\u3001Accelerate\u4e0e\u5206\u5e03\u5f0f\u7b56\u7565\u7684\u5173\u7cfb<\/h3>\n<h4>\u5b83\u652f\u6301\u54ea\u4e9b\u7b56\u7565&#xff1f;<\/h4>\n<ul>\n<li>Data Parallel<\/li>\n<li>Fully Sharded Data Parallel&#xff08;FSDP&#xff09;<\/li>\n<li>DeepSpeed<\/li>\n<li>TPU<\/li>\n<\/ul>\n<p>\u67b6\u6784\u56fe\u5982\u4e0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260227204109-69a2016546572.png\" alt=\"\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20\" \/><\/p>\n<p>\u5b83\u7684\u771f\u6b63\u4ef7\u503c\u5728\u4e8e&#xff1a;<\/p>\n<p>\u8ba9\u4e0d\u540c\u5206\u5e03\u5f0f\u540e\u7aef\u53d8\u6210\u201c\u53ef\u63d2\u62d4\u7b56\u7565\u201d\u3002<\/p>\n<hr \/>\n<h3>\u4e03\u3001\u65f6\u95f4\u8f74\u89c6\u89d2&#xff1a;\u73b0\u5728\u4e0e\u672a\u6765<\/h3>\n<h4>\u73b0\u5728&#xff08;2026\u5e74\u73b0\u72b6&#xff09;<\/h4>\n<p>\u5f53\u524d\u8d8b\u52bf&#xff1a;<\/p>\n<ul>\n<li>\u5927\u6a21\u578b\u8f7b\u91cf\u5316<\/li>\n<li>\u53c2\u6570\u9ad8\u6548\u5fae\u8c03&#xff08;PEFT&#xff09;<\/li>\n<li>LoRA &#043; FSDP \u7ec4\u5408<\/li>\n<\/ul>\n<p>Accelerate \u5df2\u7ecf\u6210\u4e3a&#xff1a;<\/p>\n<ul>\n<li>\u4e2d\u578b\u6a21\u578b\u8bad\u7ec3\u7684\u9ed8\u8ba4\u65b9\u6848<\/li>\n<li>\u5fae\u8c03\u4efb\u52a1\u7684\u5de5\u7a0b\u57fa\u7840\u8bbe\u65bd<\/li>\n<\/ul>\n<h4>\u672a\u67655-10\u5e74<\/h4>\n<p>\u672a\u6765\u8bad\u7ec3\u8303\u5f0f\u53ef\u80fd\u4f1a\u53d8\u6210&#xff1a;<\/p>\n<ul>\n<li>\u8bad\u7ec3\u5373\u63a8\u7406&#xff08;Train-Inference Unification&#xff09;<\/li>\n<li>\u52a8\u6001\u5f39\u6027\u6269\u7f29\u5bb9<\/li>\n<li>Serverless \u5206\u5e03\u5f0f\u8bad\u7ec3<\/li>\n<\/ul>\n<p>Accelerate \u7684\u62bd\u8c61\u6a21\u578b\u5177\u6709\u5929\u7136\u4f18\u52bf&#xff1a;<\/p>\n<p>\u53ea\u8981\u5e95\u5c42 backend \u53ef\u6269\u5c55&#xff0c;\u7528\u6237\u4ee3\u7801\u65e0\u9700\u4fee\u6539\u3002<\/p>\n<hr \/>\n<h3>\u516b\u3001\u4ef7\u503c\u94fe\u5206\u6790&#xff1a;\u8c01\u5728\u53d7\u76ca&#xff1f;<\/h3>\n<table>\n<tr>\u89d2\u8272\u4ef7\u503c<\/tr>\n<tbody>\n<tr>\n<td>\u7814\u7a76\u4eba\u5458<\/td>\n<td>\u964d\u4f4e\u5de5\u7a0b\u8d1f\u62c5<\/td>\n<\/tr>\n<tr>\n<td>\u521d\u521b\u56e2\u961f<\/td>\n<td>\u5feb\u901f\u90e8\u7f72<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u89c4\u6a21\u8bad\u7ec3\u56e2\u961f<\/td>\n<td>\u6807\u51c6\u5316\u8bad\u7ec3\u6d41\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>\u6559\u80b2\u673a\u6784<\/td>\n<td>\u6559\u5b66\u95e8\u69db\u964d\u4f4e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Accelerate \u672c\u8d28\u4e0a\u964d\u4f4e\u7684\u662f&#xff1a;<\/p>\n<p>\u5206\u5e03\u5f0f\u8bad\u7ec3\u7684\u8ba4\u77e5\u95e8\u69db<\/p>\n<hr \/>\n<h3>\u4e5d\u3001\u95ee\u9898\u4e0e\u6311\u6218<\/h3>\n<p>Accelerate \u4e0d\u662f\u4e07\u80fd\u7684\u3002<\/p>\n<h4>1\ufe0f\u20e3 \u6027\u80fd\u8c03\u4f18\u7a7a\u95f4\u6709\u9650<\/h4>\n<p>\u7531\u4e8e\u62bd\u8c61\u5c42\u5b58\u5728&#xff1a;<\/p>\n<ul>\n<li>\u5f88\u96be\u505a\u5230\u6781\u81f4\u5b9a\u5236<\/li>\n<li>\u5bf9\u8d85\u5927\u89c4\u6a21\u6a21\u578b&#xff08;\u6570\u767e\u4ebf\u53c2\u6570&#xff09;\u4ecd\u9700\u5e95\u5c42\u8c03\u4f18<\/li>\n<\/ul>\n<h4>2\ufe0f\u20e3 Debug\u590d\u6742\u5ea6<\/h4>\n<p>\u5f53\u5206\u5e03\u5f0f\u51fa\u9519\u65f6&#xff1a;<\/p>\n<ul>\n<li>\u9519\u8bef\u5806\u6808\u88ab\u5c01\u88c5<\/li>\n<li>\u8c03\u8bd5\u6210\u672c\u4e0a\u5347<\/li>\n<\/ul>\n<h4>3\ufe0f\u20e3 \u62bd\u8c61\u4e0e\u63a7\u5236\u7684\u6743\u8861<\/h4>\n<p>\u8fd9\u662f\u7ecf\u5178\u5de5\u7a0b\u95ee\u9898&#xff1a;<\/p>\n<p>\u62bd\u8c61\u63d0\u5347\u6548\u7387&#xff0c;\u4f46\u727a\u7272\u53ef\u63a7\u6027\u3002<\/p>\n<hr \/>\n<h3>\u5341\u3001\u4e00\u4e2a\u73b0\u5b9e\u6848\u4f8b&#xff1a;\u4ece\u5355\u5361\u52308\u5361<\/h3>\n<p>\u4f20\u7edf\u65b9\u5f0f\u8fc1\u79fb&#xff1a;<\/p>\n<ul>\n<li>\u4fee\u6539\u5165\u53e3\u811a\u672c<\/li>\n<li>\u6dfb\u52a0 launcher<\/li>\n<li>\u5904\u7406 rank<\/li>\n<li>\u91cd\u6784 DataLoader<\/li>\n<\/ul>\n<p>Accelerate \u65b9\u5f0f&#xff1a;<\/p>\n<p>accelerate config<br \/>\naccelerate launch train.py<\/p>\n<p>\u8bad\u7ec3\u4ee3\u7801\u65e0\u9700\u4fee\u6539\u3002<\/p>\n<hr \/>\n<h3>\u5341\u4e00\u3001\u4e0e\u7eafDDP\u7684\u6df1\u5ea6\u5bf9\u6bd4<\/h3>\n<table>\n<tr>\u7ef4\u5ea6\u7eafDDPAccelerate<\/tr>\n<tbody>\n<tr>\n<td>\u5b66\u4e60\u6210\u672c<\/td>\n<td>\u9ad8<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u7075\u6d3b\u6027<\/td>\n<td>\u6781\u9ad8<\/td>\n<td>\u4e2d\u7b49<\/td>\n<\/tr>\n<tr>\n<td>\u4e0a\u624b\u901f\u5ea6<\/td>\n<td>\u6162<\/td>\n<td>\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u7ef4\u62a4\u6210\u672c<\/td>\n<td>\u9ad8<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u6559\u5b66\u9002\u914d<\/td>\n<td>\u5dee<\/td>\n<td>\u4f18\u79c0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u679c\u4f60\u5728&#xff1a;<\/p>\n<ul>\n<li>\u505a\u79d1\u7814\u539f\u578b<\/li>\n<li>\u5feb\u901f\u5b9e\u9a8c<\/li>\n<li>\u8fed\u4ee3\u6a21\u578b<\/li>\n<\/ul>\n<p>Accelerate \u662f\u4f18\u9009\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5728&#xff1a;<\/p>\n<ul>\n<li>\u505a\u767e\u4ebf\u53c2\u6570\u7ea7\u522b\u4f18\u5316<\/li>\n<li>\u6df1\u5ea6\u5b9a\u5236\u901a\u4fe1\u7b56\u7565<\/li>\n<\/ul>\n<p>DDP\/FSDP \u539f\u751f\u65b9\u6848\u66f4\u5408\u9002\u3002<\/p>\n<hr \/>\n<h3>\u5341\u4e8c\u3001\u8de8\u754c\u89c6\u89d2&#xff1a;\u5206\u5e03\u5f0f\u8bad\u7ec3\u7684\u201c\u8f6f\u4ef6\u5de5\u7a0b\u5316\u201d<\/h3>\n<p>Accelerate \u7684\u610f\u4e49\u4e0d\u4ec5\u662f\u5de5\u5177\u5347\u7ea7\u3002<\/p>\n<p>\u5b83\u4ee3\u8868\u4e00\u79cd\u8d8b\u52bf&#xff1a;<\/p>\n<p>\u673a\u5668\u5b66\u4e60\u5de5\u7a0b\u6b63\u5728\u5411\u8f6f\u4ef6\u5de5\u7a0b\u9760\u62e2\u3002<\/p>\n<p>\u7279\u5f81\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u62bd\u8c61\u5c42\u6e05\u6670<\/li>\n<li>\u63a5\u53e3\u7edf\u4e00<\/li>\n<li>\u914d\u7f6e\u9a71\u52a8<\/li>\n<li>\u73af\u5883\u9694\u79bb<\/li>\n<li>\u53ef\u6269\u5c55\u7b56\u7565<\/li>\n<\/ul>\n<p>\u5206\u5e03\u5f0f\u8bad\u7ec3\u4e0d\u518d\u662f\u201c\u7b97\u529b\u95ee\u9898\u201d&#xff0c;\u800c\u662f\u201c\u67b6\u6784\u95ee\u9898\u201d\u3002<\/p>\n<hr \/>\n<h3>\u5341\u4e09\u3001\u4e00\u4e2a\u66f4\u6df1\u5c42\u95ee\u9898&#xff1a;\u4e09\u884c\u4ee3\u7801\u662f\u5426\u4f1a\u524a\u5f31\u7406\u89e3&#xff1f;<\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a\u4e89\u8bae\u70b9\u3002<\/p>\n<p>\u5f53\u5de5\u7a0b\u590d\u6742\u6027\u88ab\u9690\u85cf&#xff1a;<\/p>\n<ul>\n<li>\u65b0\u4eba\u53ef\u80fd\u4e0d\u7406\u89e3 DDP \u539f\u7406<\/li>\n<li>\u5206\u5e03\u5f0f\u6982\u5ff5\u88ab\u5f31\u5316<\/li>\n<\/ul>\n<p>\u4f46\u5386\u53f2\u544a\u8bc9\u6211\u4eec&#xff1a;<\/p>\n<p>\u62bd\u8c61\u4ece\u6765\u4e0d\u662f\u524a\u5f31\u80fd\u529b&#xff0c;\u800c\u662f\u91ca\u653e\u521b\u9020\u529b\u3002<\/p>\n<p>\u6ca1\u6709\u4eba\u56e0\u4e3a\u4f7f\u7528\u9ad8\u7ea7\u8bed\u8a00\u800c\u5931\u53bb\u7406\u89e3\u6c47\u7f16\u7684\u80fd\u529b\u3002<\/p>\n<hr \/>\n<h3>\u5341\u56db\u3001\u672a\u6765\u8d8b\u52bf\u9884\u6d4b<\/h3>\n<li>\u5206\u5e03\u5f0f\u8bad\u7ec3\u5c06\u5b8c\u5168\u201c\u65e0\u611f\u5316\u201d<\/li>\n<li>\u81ea\u52a8\u5f39\u6027\u6269\u5c55\u6210\u4e3a\u9ed8\u8ba4<\/li>\n<li>\u8bad\u7ec3\u4e0e\u90e8\u7f72\u8fb9\u754c\u6a21\u7cca<\/li>\n<li>\u8d44\u6e90\u8c03\u5ea6\u5c06\u7531AI\u81ea\u52a8\u4f18\u5316<\/li>\n<p>Accelerate \u662f\u7b2c\u4e00\u6b65&#xff1a;<\/p>\n<p>\u5b83\u8ba9\u5206\u5e03\u5f0f\u8bad\u7ec3\u4ece\u201c\u5de5\u7a0b\u95ee\u9898\u201d\u53d8\u6210\u201c\u914d\u7f6e\u95ee\u9898\u201d\u3002<\/p>\n<hr \/>\n<h3>\u5341\u4e94\u3001\u603b\u7ed3&#xff1a;\u4e09\u884c\u4ee3\u7801\u7684\u771f\u6b63\u542b\u4e49<\/h3>\n<p>\u4e09\u884c\u4ee3\u7801\u89e3\u51b3\u7684\u4e0d\u662f\u5206\u5e03\u5f0f\u672c\u8eab\u3002<\/p>\n<p>\u800c\u662f&#xff1a;<\/p>\n<ul>\n<li>\u590d\u6742\u5ea6\u63a7\u5236<\/li>\n<li>\u5de5\u7a0b\u8303\u5f0f\u5347\u7ea7<\/li>\n<li>\u8ba4\u77e5\u8d1f\u62c5\u4e0b\u964d<\/li>\n<li>\u8bad\u7ec3\u7ed3\u6784\u6807\u51c6\u5316<\/li>\n<\/ul>\n<p>\u5f53\u4f60\u5199\u4e0b&#xff1a;<\/p>\n<p>accelerator <span class=\"token operator\">&#061;<\/span> Accelerator<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\nmodel<span class=\"token punctuation\">,<\/span> optimizer<span class=\"token punctuation\">,<\/span> dataloader <span class=\"token operator\">&#061;<\/span> accelerator<span class=\"token punctuation\">.<\/span>prepare<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u4f60\u505a\u7684\u4e0d\u662f\u201c\u7b80\u5316\u4ee3\u7801\u201d\u3002<\/p>\n<p>\u4f60\u662f\u5728&#xff1a;<\/p>\n<p>\u628a\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u590d\u6742\u6027\u5916\u5305\u7ed9\u4e00\u4e2a\u53ef\u9a8c\u8bc1\u7684\u62bd\u8c61\u5c42\u3002<\/p>\n<p>\u8fd9\u624d\u662f\u73b0\u4ee3AI\u5de5\u7a0b\u7684\u6838\u5fc3\u80fd\u529b\u3002<\/p>\n<hr \/>\n<p>\u5982\u679c\u4f60\u771f\u6b63\u7406\u89e3\u4e86 Accelerate&#xff0c;\u4f60\u4f1a\u53d1\u73b0&#xff1a;<\/p>\n<p>\u5b83\u6539\u53d8\u7684\u4e0d\u662f API\u3002<\/p>\n<p>\u5b83\u6539\u53d8\u7684\u662f&#xff1a;<\/p>\n<p>\u6211\u4eec\u5982\u4f55\u601d\u8003\u5206\u5e03\u5f0f\u8bad\u7ec3\u3002<\/p>\n<p>\u800c\u8fd9&#xff0c;\u624d\u662f\u4e09\u884c\u4ee3\u7801\u80cc\u540e\u7684\u771f\u6b63\u4ef7\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7528Accelerate\u5e93\u4e09\u884c\u4ee3\u7801\u641e\u5b9aPyTorch\u5206\u5e03\u5f0f\u8bad\u7ec3&#xff1a;\u4ece\u5de5\u7a0b\u5669\u68a6\u5230\u751f\u4ea7\u7ea7\u8303\u5f0f\u91cd\u6784 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