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 <link rel="modulepreload" href="/docs/diffusers/pr_12652/zh/_app/immutable/chunks/HfOption.44827c7f.js"><!-- HEAD_svelte-u9bgzb_START --><meta name="hf:doc:metadata" content="{&quot;title&quot;:&quot;T-GATE&quot;,&quot;local&quot;:&quot;t-gate&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;基准测试&quot;,&quot;local&quot;:&quot;基准测试&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2}],&quot;depth&quot;:1}"><!-- HEAD_svelte-u9bgzb_END --> <p></p> <div class="items-center shrink-0 min-w-[100px] max-sm:min-w-[50px] justify-end ml-auto flex" style="float: right; margin-left: 10px; display: inline-flex; position: relative; z-index: 10;"><div class="inline-flex rounded-md max-sm:rounded-sm"><button class="inline-flex items-center gap-1 h-7 max-sm:h-7 px-2 max-sm:px-1.5 text-sm font-medium text-gray-800 border border-r-0 rounded-l-md max-sm:rounded-l-sm border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-live="polite"><span class="inline-flex items-center justify-center rounded-md p-0.5 max-sm:p-0 hover:text-gray-800 dark:hover:text-gray-200"><svg class="sm:size-3.5 size-3" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg></span> <span>Copy page</span></button> <button class="inline-flex items-center justify-center w-6 max-sm:w-5 h-7 max-sm:h-7 disabled:pointer-events-none text-sm text-gray-500 hover:text-gray-700 dark:hover:text-white rounded-r-md max-sm:rounded-r-sm border border-l transition border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-haspopup="menu" aria-expanded="false" aria-label="Open copy menu"><svg class="transition-transform text-gray-400 overflow-visible sm:size-3.5 size-3 rotate-0" width="1em" height="1em" viewBox="0 0 12 7" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1L6 6L11 1" stroke="currentColor"></path></svg></button></div> </div> <h1 class="relative group"><a id="t-gate" 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="#t-gate"><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>T-GATE</span></h1> <p data-svelte-h="svelte-zrdzja"><a href="https://github.com/HaozheLiu-ST/T-GATE/tree/main" rel="nofollow">T-GATE</a> 通过跳过交叉注意力计算一旦收敛，加速了 <a href="../api/pipelines/stable_diffusion/overview">Stable Diffusion</a>、<a href="../api/pipelines/pixart">PixArt</a> 和 <a href="../api/pipelines/latent_consistency_models">Latency Consistency Model</a> 管道的推理。此方法不需要任何额外训练，可以将推理速度提高 10-50%。T-GATE 还与 <a href="./deepcache">DeepCache</a> 等其他优化方法兼容。</p> <p data-svelte-h="svelte-dy0t0v">开始之前，请确保安装 T-GATE。</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START -->pip install tgate
pip install -U torch diffusers transformers accelerate DeepCache<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-wrf6f2">要使用 T-GATE 与管道，您需要使用其对应的加载器。</p> <table data-svelte-h="svelte-mjnwbx"><thead><tr><th>管道</th> <th>T-GATE 加载器</th></tr></thead> <tbody><tr><td>PixArt</td> <td>TgatePixArtLoader</td></tr> <tr><td>Stable Diffusion XL</td> <td>TgateSDXLLoader</td></tr> <tr><td>Stable Diffusion XL + DeepCache</td> <td>TgateSDXLDeepCacheLoader</td></tr> <tr><td>Stable Diffusion</td> <td>TgateSDLoader</td></tr> <tr><td>Stable Diffusion + DeepCache</td> <td>TgateSDDeepCacheLoader</td></tr></tbody></table> <p data-svelte-h="svelte-a22hn6">接下来，创建一个 <code>TgateLoader</code>，包含管道、门限步骤（停止计算交叉注意力的时间步）和推理步骤数。然后在管道上调用 <code>tgate</code> 方法，提供提示、门限步骤和推理步骤数。</p> <p data-svelte-h="svelte-4logtv">让我们看看如何为几个不同的管道启用此功能。</p> <div class="flex space-x-2 items-center my-1.5 mr-8 h-7 !pl-0 -mx-3 md:mx-0"><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd border-gray-800 bg-black dark:bg-gray-700 text-white">PixArt </div><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd text-gray-500 cursor-pointer opacity-90 hover:text-gray-700 dark:hover:text-gray-200 hover:shadow-sm">Stable Diffusion XL </div><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd text-gray-500 cursor-pointer opacity-90 hover:text-gray-700 dark:hover:text-gray-200 hover:shadow-sm">StableDiffusionXL with DeepCache </div><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd text-gray-500 cursor-pointer opacity-90 hover:text-gray-700 dark:hover:text-gray-200 hover:shadow-sm">Latent Consistency Model </div></div> <div class="language-select"><p data-svelte-h="svelte-4mgysz">使用 T-GATE 加速 <code>PixArtAlphaPipeline</code>：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-keyword">import</span> torch
<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> PixArtAlphaPipeline
<span class="hljs-keyword">from</span> tgate <span class="hljs-keyword">import</span> TgatePixArtLoader
pipe = PixArtAlphaPipeline.from_pretrained(<span class="hljs-string">&quot;PixArt-alpha/PixArt-XL-2-1024-MS&quot;</span>, torch_dtype=torch.float16)
gate_step = <span class="hljs-number">8</span>
inference_step = <span class="hljs-number">25</span>
pipe = TgatePixArtLoader(
 pipe,
 gate_step=gate_step,
 num_inference_steps=inference_step,
).to(<span class="hljs-string">&quot;cuda&quot;</span>)
image = pipe.tgate(
 <span class="hljs-string">&quot;An alpaca made of colorful building blocks, cyberpunk.&quot;</span>,
 gate_step=gate_step,
 num_inference_steps=inference_step,
).images[<span class="hljs-number">0</span>]<!-- HTML_TAG_END --></pre></div> </div> <p data-svelte-h="svelte-1yo3bdu">T-GATE 还支持 <code>StableDiffusionPipeline</code> 和 <a href="https://hf.co/PixArt-alpha/PixArt-LCM-XL-2-1024-MS" rel="nofollow">PixArt-alpha/PixArt-LCM-XL-2-1024-MS</a>。</p> <h2 class="relative group"><a id="基准测试" 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="#基准测试"><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>基准测试</span></h2> <table data-svelte-h="svelte-1rxtbsl"><thead><tr><th>模型</th> <th>MACs</th> <th>参数</th> <th>延迟</th> <th>零样本 10K-FID on MS-COCO</th></tr></thead> <tbody><tr><td>SD-1.5</td> <td>16.938T</td> <td>859.520M</td> <td>7.032s</td> <td>23.927</td></tr> <tr><td>SD-1.5 w/ T-GATE</td> <td>9.875T</td> <td>815.557M</td> <td>4.313s</td> <td>20.789</td></tr> <tr><td>SD-2.1</td> <td>38.041T</td> <td>865.785M</td> <td>16.121s</td> <td>22.609</td></tr> <tr><td>SD-2.1 w/ T-GATE</td> <td>22.208T</td> <td>815.433 M</td> <td>9.878s</td> <td>19.940</td></tr> <tr><td>SD-XL</td> <td>149.438T</td> <td>2.570B</td> <td>53.187s</td> <td>24.628</td></tr> <tr><td>SD-XL w/ T-GATE</td> <td>84.438T</td> <td>2.024B</td> <td>27.932s</td> <td>22.738</td></tr> <tr><td>Pixart-Alpha</td> <td>107.031T</td> <td>611.350M</td> <td>61.502s</td> <td>38.669</td></tr> <tr><td>Pixart-Alpha w/ T-GATE</td> <td>65.318T</td> <td>462.585M</td> <td>37.867s</td> <td>35.825</td></tr> <tr><td>DeepCache (SD-XL)</td> <td>57.888T</td> <td>-</td> <td>19.931s</td> <td>23.755</td></tr> <tr><td>DeepCache 配合 T-GATE</td> <td>43.868T</td> <td>-</td> <td>14.666秒</td> <td>23.999</td></tr> <tr><td>LCM (SD-XL)</td> <td>11.955T</td> <td>2.570B</td> <td>3.805秒</td> <td>25.044</td></tr> <tr><td>LCM 配合 T-GATE</td> <td>11.171T</td> <td>2.024B</td> <td>3.533秒</td> <td>25.028</td></tr> <tr><td>LCM (Pixart-Alpha)</td> <td>8.563T</td> <td>611.350M</td> <td>4.733秒</td> <td>36.086</td></tr> <tr><td>LCM 配合 T-GATE</td> <td>7.623T</td> <td>462.585M</td> <td>4.543秒</td> <td>37.048</td></tr></tbody></table> <p data-svelte-h="svelte-16r9eh7">延迟测试基于 NVIDIA 1080TI，MACs 和 Params 使用 <a href="https://github.com/MrYxJ/calculate-flops.pytorch" rel="nofollow">calflops</a> 计算，FID 使用 <a href="https://github.com/mseitzer/pytorch-fid" rel="nofollow">PytorchFID</a> 计算。</p> <a class="!text-gray-400 !no-underline text-sm flex items-center not-prose mt-4" href="https://github.com/huggingface/diffusers/blob/main/docs/source/zh/optimization/tgate.md" target="_blank"><svg class="mr-1" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M31,16l-7,7l-1.41-1.41L28.17,16l-5.58-5.59L24,9l7,7z"></path><path d="M1,16l7-7l1.41,1.41L3.83,16l5.58,5.59L8,23l-7-7z"></path><path d="M12.419,25.484L17.639,6.552l1.932,0.518L14.351,26.002z"></path></svg> <span data-svelte-h="svelte-zjs2n5"><span class="underline">Update</span> on GitHub</span></a> <p></p>
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