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<link href="/docs/diffusers/main/en/_app/immutable/assets/0.tn0RQdqM.css" rel="modulepreload"> <!--[--><!--[0--><!--[--><!--[0--><!--[--><p></p> <div class="items-center shrink-0 min-w-[100px] max-sm:min-w-[50px] justify-end ml-auto flex" style="float: inline-end; margin-inline-start: 10px; display: inline-flex; position: relative; z-index: 10;"><div dir="ltr" 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 dir="auto">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> <!--[-1--><!--]--></div><!----> <!--[0--><h1 class="relative group"><a id="schedulers" 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="#schedulers"><span><svg 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><!---->Zamanlayıcılar<!----></span></h1><!--]--><!----> <p>Bir zamanlayıcı, gürültü azaltma döngüsüne her adımda ne kadar gürültünün kaldırılacağını söyler. Farklı zamanlayıcılar hız ile kalite arasında bir denge kurar.</p> <p>Bu kılavuz, bir zamanlayıcıyı (scheduler) nasıl yükleyeceğinizi ve zaman adımı (timestep) zamanlamasını, aralıklarını ve sigmalarını nasıl özelleştireceğinizi gösterir.</p> <!--[1--><h2 class="relative group"><a id="choosing-a-scheduler" 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="#choosing-a-scheduler"><span><svg 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><!---->Zamanlayıcı seçimi<!----></span></h2><!--]--><!----> <p>Checkpoint varsayılanından başlayın. Farklı bir hız veya kalite ödüşlemesi gerekiyorsa yalnızca o zaman değiştirin.</p> <ul><li>DPM++ 2M SDE Karras, birçok latent difüzyon kontrol noktası için güçlü ve çok amaçlı bir seçenektir.</li> <li><a href="/docs/diffusers/main/tr/api/schedulers/tcd#diffusers.TCDScheduler">TCDScheduler</a>, damıtılmış modeller için iyi çalışır.</li> <li>FlowMatch modelleri (Qwen-Image, Flux ve benzerleri) için <a href="/docs/diffusers/main/tr/api/schedulers/flow_match_euler_discrete#diffusers.FlowMatchEulerDiscreteScheduler">FlowMatchEulerDiscreteScheduler</a> veya <a href="/docs/diffusers/main/tr/api/schedulers/flow_match_heun_discrete#diffusers.FlowMatchHeunDiscreteScheduler">FlowMatchHeunDiscreteScheduler</a> kullanın.</li> <li><a href="/docs/diffusers/main/tr/api/schedulers/euler#diffusers.EulerDiscreteScheduler">EulerDiscreteScheduler</a> veya <a href="/docs/diffusers/main/tr/api/schedulers/euler_ancestral#diffusers.EulerAncestralDiscreteScheduler">EulerAncestralDiscreteScheduler</a>, anime tarzı görseller için genellikle iyi sonuç verir.</li> <li>Kontrol noktası destekliyorsa, az adımlı üretim için LCM UNet veya LoRA ile <a href="/docs/diffusers/main/tr/api/schedulers/lcm#diffusers.LCMScheduler">LCMScheduler</a>.</li></ul> <!--[1--><h2 class="relative group"><a id="loading-schedulers" 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="#loading-schedulers"><span><svg 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><!---->Zamanlayıcıların yüklenmesi<!----></span></h2><!--]--><!----> <blockquote class="tip"><p>Qwen-Image ve Flux gibi flow-matching modelleri varsayılan olarak <a href="/docs/diffusers/main/tr/api/schedulers/flow_match_euler_discrete#diffusers.FlowMatchEulerDiscreteScheduler">FlowMatchEulerDiscreteScheduler</a> ile birlikte gelir. Bilinçli olarak deneysel bir çalışma yapmıyorsanız bu scheduler'ı kullanmaya devam edin. Yalnızca değiştirilecek scheduler'ın checkpoint ile uyumlu olduğu durumlarda <a href="/docs/diffusers/main/tr/api/configuration#diffusers.ConfigMixin.from_config">from_config()</a> ile değiştirin.</p></blockquote> <p>Schedulers yalnızca yapılandırma içerir ve ağırlık tensörleri taşımaz. Yüklenen yapılandırmayı incelemek için bir pipeline üzerinde <code>.scheduler</code> özniteliğine erişin.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">import</span> torch
<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline
pipeline = DiffusionPipeline.from_pretrained(
<span class="hljs-string">&quot;stabilityai/stable-diffusion-xl-base-1.0&quot;</span>, dtype=torch.float16, device_map=<span class="hljs-string">&quot;cuda&quot;</span> <span class="hljs-comment"># or &quot;mps&quot;, &quot;xpu&quot;, &quot;cpu&quot;</span>
)
pipeline.scheduler<!----></pre></div><!----> <p>Yüklenmiş bir pipeline'da zamanlayıcıları değiştirmek için, <code>num_train_timesteps</code> ve ilgili alanların hizalı kalmasını sağlamak üzere mevcut zamanlayıcı yapılandırmasıyla <a href="/docs/diffusers/main/tr/api/configuration#diffusers.ConfigMixin.from_config">from_config()</a> kullanın. FlowMatch kontrol noktaları (Qwen-Image, Flux ve benzerleri) için, bilinçli olarak uyumlu bir alternatifle deney yapmıyorsanız <a href="/docs/diffusers/main/tr/api/schedulers/flow_match_euler_discrete#diffusers.FlowMatchEulerDiscreteScheduler">FlowMatchEulerDiscreteScheduler</a> kullanmaya devam edin.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DPMSolverMultistepScheduler
pipeline.scheduler = DPMSolverMultistepScheduler.from_config(pipeline.scheduler.config)<!----></pre></div><!----> <p>Ayrıca bir zamanlayıcı yapılandırmasını Hub'dan <a href="/docs/diffusers/main/tr/api/schedulers/overview#diffusers.SchedulerMixin.from_pretrained">from_pretrained()</a> ile yükleyebilir ve <code>scheduler</code> üzerinden <a href="/docs/diffusers/main/tr/api/pipelines/overview#diffusers.DiffusionPipeline.from_pretrained">from_pretrained()</a> içine aktarabilirsiniz.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline, DPMSolverMultistepScheduler
dpm = DPMSolverMultistepScheduler.from_pretrained(
<span class="hljs-string">&quot;stabilityai/stable-diffusion-xl-base-1.0&quot;</span>, subfolder=<span class="hljs-string">&quot;scheduler&quot;</span>
)
pipeline = DiffusionPipeline.from_pretrained(
<span class="hljs-string">&quot;stabilityai/stable-diffusion-xl-base-1.0&quot;</span>,
scheduler=dpm,
dtype=torch.float16,
device_map=<span class="hljs-string">&quot;cuda&quot;</span>, <span class="hljs-comment"># or &quot;mps&quot;, &quot;xpu&quot;, &quot;cpu&quot;</span>
)
pipeline.scheduler<!----></pre></div><!----> <!--[1--><h2 class="relative group"><a id="timestep-schedules" 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="#timestep-schedules"><span><svg 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><!---->Zaman adımı zaman çizelgeleri<!----></span></h2><!--]--><!----> <p>Timestep veya gürültü zamanlaması, gürültünün gürültüden arındırma süreci boyunca nasıl dağıtılacağını belirler. Zamanlama doğrusal olabilir ya da başlangıca ya da sona daha yoğunlaşmış olabilir. Zamanlayıcının varsayılan yapılandırmasından üretilen, önceden hesaplanmış bir gürültü seviyeleri dizisidir ancak diğer zamanlamaların kullanılacak şekilde özelleştirilebilir.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-text "><!---->linear (even steps) AYS (denser where it matters)
noise noise
^ ^
| * | *
| * | *
| * | **
| * | ***
| * | **
| * | *
| * | *
+-----------------&gt; step +-----------------&gt; step<!----></pre></div><!----> <blockquote class="tip"><p>Özel <code>timesteps</code> yalnızca ilgili zamanlayıcının <code>set_timesteps</code> metodu bu argümanı kabul ediyorsa çalışır (pipeline'lar imzayı <code>retrieve_timesteps</code> üzerinden kontrol eder ve aksi halde <code>ValueError</code> fırlatır). Bunları iletmeden önce zamanlayıcının API sayfasını veya <code>set_timesteps</code> imzasını kontrol edin.</p></blockquote> <p>Aşağıdaki örnek, 10 adımda yüksek kaliteli bir görüntü üretebilen ve bu sayede üretimi önemli ölçüde hızlandırıp hesaplama süresini azaltan <a href="https://research.nvidia.com/labs/toronto-ai/AlignYourSteps/" rel="nofollow">Align Your Steps (AYS)</a> zamanlamasını kullanır.</p> <p>Zaman çizelgesini içe aktarın ve hattın <code>timesteps</code> argümanına iletin.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">import</span> torch
<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline, DPMSolverMultistepScheduler
<span class="hljs-keyword">from</span> diffusers.schedulers <span class="hljs-keyword">import</span> AysSchedules
sampling_schedule = AysSchedules[<span class="hljs-string">&quot;StableDiffusionXLTimesteps&quot;</span>]
<span class="hljs-built_in">print</span>(sampling_schedule)
<span class="hljs-comment"># [999, 845, 730, 587, 443, 310, 193, 116, 53, 13]</span>
pipeline = DiffusionPipeline.from_pretrained(
<span class="hljs-string">&quot;SG161222/RealVisXL_V4.0&quot;</span>,
dtype=torch.float16,
device_map=<span class="hljs-string">&quot;cuda&quot;</span> <span class="hljs-comment"># or &quot;mps&quot;, &quot;xpu&quot;, &quot;cpu&quot;</span>
)
pipeline.scheduler = DPMSolverMultistepScheduler.from_config(
pipeline.scheduler.config, algorithm_type=<span class="hljs-string">&quot;sde-dpmsolver++&quot;</span>
)
prompt = <span class="hljs-string">&quot;A cinematic shot of a cute little rabbit wearing a jacket and doing a thumbs up&quot;</span>
image = pipeline(
prompt=prompt,
negative_prompt=<span class="hljs-string">&quot;&quot;</span>,
timesteps=sampling_schedule,
).images[<span class="hljs-number">0</span>]<!----></pre></div><!----> <div class="flex gap-4"><div><img class="rounded-xl" src="https://huggingface.co/datasets/YiYiXu/testing-images/resolve/main/ays.png"/> <figcaption class="mt-2 text-center text-sm text-gray-500">AYS zaman adımı zamanlaması 10 adım</figcaption></div> <div><img class="rounded-xl" src="https://huggingface.co/datasets/YiYiXu/testing-images/resolve/main/10.png"/> <figcaption class="mt-2 text-center text-sm text-gray-500">Doğrusal aralıklı zaman adımı zamanlaması 10 adım</figcaption></div> <div><img class="rounded-xl" src="https://huggingface.co/datasets/YiYiXu/testing-images/resolve/main/25.png"/> <figcaption class="mt-2 text-center text-sm text-gray-500">Doğrusal aralıklı zaman adımı zamanlaması 25 adım</figcaption></div></div> <p>Eski kontrol noktalarında v-prediction/zero-SNR yeniden ölçekleme için bkz. <a href="./legacy_checkpoints#rescaling-schedules">Legacy checkpoints</a>.</p> <!--[1--><h2 class="relative group"><a id="timestep-spacing" 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="#timestep-spacing"><span><svg 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><!---->Zaman adımı aralığı<!----></span></h2><!--]--><!----> <p>Timestep spacing, zamanlama planından örnek alınacak belirli <em>t</em> adımlarına atıfta bulunur. Diffusers aşağıda gösterilen üç spacing türü sağlar.</p> <table><thead><tr><th>boşluk stratejisi</th><th>aralık hesaplama</th><th>örnek zaman adımları</th></tr></thead><tbody><tr><td><code>leading</code></td><td>eşit aralıklı adımlar</td><td><code>[900, 800, 700, ..., 100, 0]</code></td></tr><tr><td><code>linspace</code></td><td>ilk ve son adımları dahil edin ve kalan ara adımları eşit olarak bölün</td><td><code>[1000, 888.89, 777.78, ..., 111.11, 0]</code></td></tr><tr><td><code>trailing</code></td><td>son adımı dahil edin ve kalan ara adımları sondan başlayarak eşit olarak bölün</td><td><code>[999, 899, 799, 699, 599, 499, 399, 299, 199, 99]</code></td></tr></tbody></table> <p>Aralama stratejisini zamanlayıcıdaki <code>timestep_spacing</code> argümanına iletin.</p> <blockquote class="tip"><p><code>trailing</code> stratejisi genellikle daha az adımda daha fazla detaya sahip, daha yüksek kaliteli görseller üretir, ancak daha standart adım değerleri için kalite farkı o kadar belirgin değildir.</p></blockquote> <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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">import</span> torch
<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline, DPMSolverMultistepScheduler
pipeline = DiffusionPipeline.from_pretrained(
<span class="hljs-string">&quot;SG161222/RealVisXL_V4.0&quot;</span>,
dtype=torch.float16,
device_map=<span class="hljs-string">&quot;cuda&quot;</span> <span class="hljs-comment"># or &quot;mps&quot;, &quot;xpu&quot;, &quot;cpu&quot;</span>
)
pipeline.scheduler = DPMSolverMultistepScheduler.from_config(
pipeline.scheduler.config, timestep_spacing=<span class="hljs-string">&quot;trailing&quot;</span>
)
prompt = <span class="hljs-string">&quot;A cinematic shot of a cute little black cat sitting on a pumpkin at night&quot;</span>
image = pipeline(
prompt=prompt,
negative_prompt=<span class="hljs-string">&quot;&quot;</span>,
num_inference_steps=<span class="hljs-number">5</span>,
).images[<span class="hljs-number">0</span>]
image<!----></pre></div><!----> <div class="flex gap-4"><div><img class="rounded-xl" src="https://huggingface.co/datasets/stevhliu/testing-images/resolve/main/trailing_spacing.png"/> <figcaption class="mt-2 text-center text-sm text-gray-500">5 adım sonrası son boşluk</figcaption></div> <div><img class="rounded-xl" src="https://huggingface.co/datasets/stevhliu/testing-images/resolve/main/leading_spacing.png"/> <figcaption class="mt-2 text-center text-sm text-gray-500">5 adım sonrası önde boşluk</figcaption></div></div> <!--[1--><h2 class="relative group"><a id="sigmas" 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="#sigmas"><span><svg 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><!---->Sigmalar<!----></span></h2><!--]--><!----> <p>Sigmas, zaman çizelgesi tarafından tanımlandığı üzere bir örneğin belirli bir adımda ne kadar gürültülü olduğunun bir ölçüsüdür. Özel <code>sigmas</code> kullanıldığında, <code>timesteps</code> varsayılan zamanlayıcı yapılandırması yerine bu değerlerden hesaplanır.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-text "><!---->step: 0 1 2 3 4
sigma: σ0 &gt; σ1 &gt; σ2 &gt; σ3 &gt; σ4 ≈ 0
high noise ---&gt; clean sample<!----></pre></div><!----> <blockquote class="tip"><p>Özel <code>sigmas</code> değerleri, yalnızca ilgili zamanlayıcının <code>set_timesteps</code> metodu bu argümanı kabul ediyorsa çalışır (pipeline'lar imzayı <code>retrieve_timesteps</code> üzerinden kontrol eder ve aksi halde <code>ValueError</code> fırlatır). Bunları iletmeden önce zamanlayıcının API sayfasını veya <code>set_timesteps</code> imzasını kontrol edin.</p></blockquote> <p>Özel sigmaları pipeline'da <code>sigmas</code> argümanına iletin. Aşağıdaki örnek, 10 adımlı AYS zamanlamasındaki <a href="https://github.com/huggingface/diffusers/blob/main/src/diffusers/schedulers/scheduling_utils.py" rel="nofollow">sigmas</a> değerlerini kullanır.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">import</span> torch
<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline, EulerDiscreteScheduler
<span class="hljs-keyword">from</span> diffusers.schedulers <span class="hljs-keyword">import</span> AysSchedules
pipeline = DiffusionPipeline.from_pretrained(
<span class="hljs-string">&quot;SG161222/RealVisXL_V4.0&quot;</span>,
dtype=torch.float16,
device_map=<span class="hljs-string">&quot;cuda&quot;</span>, <span class="hljs-comment"># or &quot;mps&quot;, &quot;xpu&quot;, &quot;cpu&quot;</span>
)
pipeline.scheduler = EulerDiscreteScheduler.from_config(pipeline.scheduler.config)
sigmas = AysSchedules[<span class="hljs-string">&quot;StableDiffusionXLSigmas&quot;</span>]
prompt = <span class="hljs-string">&quot;A cinematic shot of a cute little rabbit wearing a jacket and doing a thumbs up&quot;</span>
image = pipeline(
prompt=prompt,
negative_prompt=<span class="hljs-string">&quot;&quot;</span>,
sigmas=sigmas,
).images[<span class="hljs-number">0</span>]<!----></pre></div><!----> <!--[2--><h3 class="relative group"><a id="karras-sigmas" 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="#karras-sigmas"><span><svg 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><!---->Karras sigmaları<!----></span></h3><!--]--><!----> <p><a href="https://huggingface.co/papers/2206.00364" rel="nofollow">Karras sigmas</a>, yapısal yeniden inşanın kritik olduğu dizinin ortasında sigmaları daha yoğun bir şekilde kümeleyerek ve gürültü değişimlerinin daha az etkili olduğu başlangıç ve sonda daha az sigma kullanarak, daha verimli örneklemeye yönelik gürültü zamanlamasını yeniden örnekler. Bu, üretilen bir görüntüdeki detay seviyesini artırabilir.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-text "><!---->default σ: * * * * * * * * even-ish
Karras σ: * * * * * * * denser mid, sparser ends
|---structure---|<!----></pre></div><!----> <p>Bunu etkinleştirmek için zamanlayıcıda <code>use_karras_sigmas=True</code> değerini ayarlayın.</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 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> Kopyalandı</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">import</span> torch
<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline, DPMSolverMultistepScheduler
pipeline = DiffusionPipeline.from_pretrained(
<span class="hljs-string">&quot;SG161222/RealVisXL_V4.0&quot;</span>,
dtype=torch.float16,
device_map=<span class="hljs-string">&quot;cuda&quot;</span> <span class="hljs-comment"># or &quot;mps&quot;, &quot;xpu&quot;, &quot;cpu&quot;</span>
)
pipeline.scheduler = DPMSolverMultistepScheduler.from_config(
pipeline.scheduler.config,
algorithm_type=<span class="hljs-string">&quot;sde-dpmsolver++&quot;</span>,
use_karras_sigmas=<span class="hljs-literal">True</span>,
)
prompt = <span class="hljs-string">&quot;A cinematic shot of a cute little rabbit wearing a jacket and doing a thumbs up&quot;</span>
image = pipeline(
prompt=prompt,
negative_prompt=<span class="hljs-string">&quot;&quot;</span>,
num_inference_steps=<span class="hljs-number">20</span>,
).images[<span class="hljs-number">0</span>]<!----></pre></div><!----> <div class="flex gap-4"><div><img class="rounded-xl" src="https://huggingface.co/datasets/stevhliu/testing-images/resolve/main/karras_sigmas_true.png"/> <figcaption class="mt-2 text-center text-sm text-gray-500">Karras sigmaları etkin</figcaption></div> <div><img class="rounded-xl" src="https://huggingface.co/datasets/stevhliu/testing-images/resolve/main/karras_sigmas_false.png"/> <figcaption class="mt-2 text-center text-sm text-gray-500">Karras sigmaları devre dışı</figcaption></div></div> <p>Karras sigmalarını destekleyen zamanlayıcıların listesi için zamanlayıcı API <a href="../api/schedulers/overview">genel bakışına</a> bakın. Yalnızca Karras sigmalarıyla eğitilmiş modeller için kullanılmalıdır.</p> <!--[1--><h2 class="relative group"><a id="next-steps" 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="#next-steps"><span><svg 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><!---->Sonraki adımlar<!----></span></h2><!--]--><!----> <ul><li>Gürültü zamanlamasını sıfır SNR'yi uygulamak için yeniden ölçekleme hakkında daha fazla ayrıntı için <a href="https://huggingface.co/papers/2305.08891" rel="nofollow">Common Diffusion Noise Schedules and Sample Steps are Flawed</a> makalesini okuyun.</li></ul> <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/en/using-diffusers/schedulers.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><span class="underline">Update</span> on GitHub</span></a><!----> <p></p><!--]--><!----><!--]--><!--]--><!--]--> <!--[-1--><!--]--><!--]-->
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