import{S as Un,i as Jn,s as Tn,e as o,k as m,w as v,t as r,M as In,c as i,d as n,m as h,a as l,x as $,h as p,b as u,G as e,g as y,y as U,q as J,o as T,B as I,v as Mn,L as nn}from"../../../../chunks/vendor-hf-doc-builder.js";import{T as Kt}from"../../../../chunks/Tip-hf-doc-builder.js";import{D as le}from"../../../../chunks/Docstring-hf-doc-builder.js";import{C as an}from"../../../../chunks/CodeBlock-hf-doc-builder.js";import{I as en}from"../../../../chunks/IconCopyLink-hf-doc-builder.js";import{E as tn}from"../../../../chunks/ExampleCodeBlock-hf-doc-builder.js";function Dn(S){let s,b,d,c,_,a,f,P,L,Y,D,W,k,re,C,V,pe;return{c(){s=o("p"),b=r("Make sure to check out the Stable Diffusion "),d=o("a"),c=r("Tips"),_=r(" section to learn how to explore the tradeoff between scheduler speed and quality, and how to reuse pipeline components efficiently!"),a=m(),f=o("p"),P=r("If you\u2019re interested in using one of the official checkpoints for a task, explore the "),L=o("a"),Y=r("CompVis"),D=r(", "),W=o("a"),k=r("Runway"),re=r(", and "),C=o("a"),V=r("Stability AI"),pe=r(" Hub organizations!"),this.h()},l(E){s=i(E,"P",{});var x=l(s);b=p(x,"Make sure to check out the Stable Diffusion "),d=i(x,"A",{href:!0});var xe=l(d);c=p(xe,"Tips"),xe.forEach(n),_=p(x," section to learn how to explore the tradeoff between scheduler speed and quality, and how to reuse pipeline components efficiently!"),x.forEach(n),a=h(E),f=i(E,"P",{});var j=l(f);P=p(j,"If you\u2019re interested in using one of the official checkpoints for a task, explore the "),L=i(j,"A",{href:!0,rel:!0});var ce=l(L);Y=p(ce,"CompVis"),ce.forEach(n),D=p(j,", "),W=i(j,"A",{href:!0,rel:!0});var B=l(W);k=p(B,"Runway"),B.forEach(n),re=p(j,", and "),C=i(j,"A",{href:!0,rel:!0});var fe=l(C);V=p(fe,"Stability AI"),fe.forEach(n),pe=p(j," Hub organizations!"),j.forEach(n),this.h()},h(){u(d,"href","overview#tips"),u(L,"href","https://huggingface.co/CompVis"),u(L,"rel","nofollow"),u(W,"href","https://huggingface.co/runwayml"),u(W,"rel","nofollow"),u(C,"href","https://huggingface.co/stabilityai"),u(C,"rel","nofollow")},m(E,x){y(E,s,x),e(s,b),e(s,d),e(d,c),e(s,_),y(E,a,x),y(E,f,x),e(f,P),e(f,L),e(L,Y),e(f,D),e(f,W),e(W,k),e(f,re),e(f,C),e(C,V),e(f,pe)},d(E){E&&n(s),E&&n(a),E&&n(f)}}}function xn(S){let s,b,d,c,_;return c=new an({props:{code:"ZnJvbSUyMGRpZmZ1c2VycyUyMGltcG9ydCUyMFN0YWJsZURpZmZ1c2lvbkxhdGVudFVwc2NhbGVQaXBlbGluZSUyQyUyMFN0YWJsZURpZmZ1c2lvblBpcGVsaW5lJTBBaW1wb3J0JTIwdG9yY2glMEElMEElMEFwaXBlbGluZSUyMCUzRCUyMFN0YWJsZURpZmZ1c2lvblBpcGVsaW5lLmZyb21fcHJldHJhaW5lZCglMEElMjAlMjAlMjAlMjAlMjJDb21wVmlzJTJGc3RhYmxlLWRpZmZ1c2lvbi12MS00JTIyJTJDJTIwdG9yY2hfZHR5cGUlM0R0b3JjaC5mbG9hdDE2JTBBKSUwQXBpcGVsaW5lLnRvKCUyMmN1ZGElMjIpJTBBJTBBbW9kZWxfaWQlMjAlM0QlMjAlMjJzdGFiaWxpdHlhaSUyRnNkLXgyLWxhdGVudC11cHNjYWxlciUyMiUwQXVwc2NhbGVyJTIwJTNEJTIwU3RhYmxlRGlmZnVzaW9uTGF0ZW50VXBzY2FsZVBpcGVsaW5lLmZyb21fcHJldHJhaW5lZChtb2RlbF9pZCUyQyUyMHRvcmNoX2R0eXBlJTNEdG9yY2guZmxvYXQxNiklMEF1cHNjYWxlci50byglMjJjdWRhJTIyKSUwQSUwQXByb21wdCUyMCUzRCUyMCUyMmElMjBwaG90byUyMG9mJTIwYW4lMjBhc3Ryb25hdXQlMjBoaWdoJTIwcmVzb2x1dGlvbiUyQyUyMHVucmVhbCUyMGVuZ2luZSUyQyUyMHVsdHJhJTIwcmVhbGlzdGljJTIyJTBBZ2VuZXJhdG9yJTIwJTNEJTIwdG9yY2gubWFudWFsX3NlZWQoMzMpJTBBJTBBbG93X3Jlc19sYXRlbnRzJTIwJTNEJTIwcGlwZWxpbmUocHJvbXB0JTJDJTIwZ2VuZXJhdG9yJTNEZ2VuZXJhdG9yJTJDJTIwb3V0cHV0X3R5cGUlM0QlMjJsYXRlbnQlMjIpLmltYWdlcyUwQSUwQXdpdGglMjB0b3JjaC5ub19ncmFkKCklM0ElMEElMjAlMjAlMjAlMjBpbWFnZSUyMCUzRCUyMHBpcGVsaW5lLmRlY29kZV9sYXRlbnRzKGxvd19yZXNfbGF0ZW50cyklMEFpbWFnZSUyMCUzRCUyMHBpcGVsaW5lLm51bXB5X3RvX3BpbChpbWFnZSklNUIwJTVEJTBBJTBBaW1hZ2Uuc2F2ZSglMjIuLiUyRmltYWdlcyUyRmExLnBuZyUyMiklMEElMEF1cHNjYWxlZF9pbWFnZSUyMCUzRCUyMHVwc2NhbGVyKCUwQSUyMCUyMCUyMCUyMHByb21wdCUzRHByb21wdCUyQyUwQSUyMCUyMCUyMCUyMGltYWdlJTNEbG93X3Jlc19sYXRlbnRzJTJDJTBBJTIwJTIwJTIwJTIwbnVtX2luZmVyZW5jZV9zdGVwcyUzRDIwJTJDJTBBJTIwJTIwJTIwJTIwZ3VpZGFuY2Vfc2NhbGUlM0QwJTJDJTBBJTIwJTIwJTIwJTIwZ2VuZXJhdG9yJTNEZ2VuZXJhdG9yJTJDJTBBKS5pbWFnZXMlNUIwJTVEJTBBJTBBdXBzY2FsZWRfaW1hZ2Uuc2F2ZSglMjIuLiUyRmltYWdlcyUyRmEyLnBuZyUyMik=",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> StableDiffusionLatentUpscalePipeline, StableDiffusionPipeline
<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">import</span> torch


<span class="hljs-meta">&gt;&gt;&gt; </span>pipeline = StableDiffusionPipeline.from_pretrained(
<span class="hljs-meta">... </span>    <span class="hljs-string">&quot;CompVis/stable-diffusion-v1-4&quot;</span>, torch_dtype=torch.float16
<span class="hljs-meta">... </span>)
<span class="hljs-meta">&gt;&gt;&gt; </span>pipeline.to(<span class="hljs-string">&quot;cuda&quot;</span>)

<span class="hljs-meta">&gt;&gt;&gt; </span>model_id = <span class="hljs-string">&quot;stabilityai/sd-x2-latent-upscaler&quot;</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>upscaler = StableDiffusionLatentUpscalePipeline.from_pretrained(model_id, torch_dtype=torch.float16)
<span class="hljs-meta">&gt;&gt;&gt; </span>upscaler.to(<span class="hljs-string">&quot;cuda&quot;</span>)

<span class="hljs-meta">&gt;&gt;&gt; </span>prompt = <span class="hljs-string">&quot;a photo of an astronaut high resolution, unreal engine, ultra realistic&quot;</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>generator = torch.manual_seed(<span class="hljs-number">33</span>)

<span class="hljs-meta">&gt;&gt;&gt; </span>low_res_latents = pipeline(prompt, generator=generator, output_type=<span class="hljs-string">&quot;latent&quot;</span>).images

<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">with</span> torch.no_grad():
<span class="hljs-meta">... </span>    image = pipeline.decode_latents(low_res_latents)
<span class="hljs-meta">&gt;&gt;&gt; </span>image = pipeline.numpy_to_pil(image)[<span class="hljs-number">0</span>]

<span class="hljs-meta">&gt;&gt;&gt; </span>image.save(<span class="hljs-string">&quot;../images/a1.png&quot;</span>)

<span class="hljs-meta">&gt;&gt;&gt; </span>upscaled_image = upscaler(
<span class="hljs-meta">... </span>    prompt=prompt,
<span class="hljs-meta">... </span>    image=low_res_latents,
<span class="hljs-meta">... </span>    num_inference_steps=<span class="hljs-number">20</span>,
<span class="hljs-meta">... </span>    guidance_scale=<span class="hljs-number">0</span>,
<span class="hljs-meta">... </span>    generator=generator,
<span class="hljs-meta">... </span>).images[<span class="hljs-number">0</span>]

<span class="hljs-meta">&gt;&gt;&gt; </span>upscaled_image.save(<span class="hljs-string">&quot;../images/a2.png&quot;</span>)`}}),{c(){s=o("p"),b=r("Examples:"),d=m(),v(c.$$.fragment)},l(a){s=i(a,"P",{});var f=l(s);b=p(f,"Examples:"),f.forEach(n),d=h(a),$(c.$$.fragment,a)},m(a,f){y(a,s,f),e(s,b),y(a,d,f),U(c,a,f),_=!0},p:nn,i(a){_||(J(c.$$.fragment,a),_=!0)},o(a){T(c.$$.fragment,a),_=!1},d(a){a&&n(s),a&&n(d),I(c,a)}}}function En(S){let s,b,d,c,_;return{c(){s=o("p"),b=r("\u26A0\uFE0F Don\u2019t enable attention slicing if you\u2019re already using "),d=o("code"),c=r("scaled_dot_product_attention"),_=r(` (SDPA) from PyTorch
2.0 or xFormers. These attention computations are already very memory efficient so you won\u2019t need to enable
this function. If you enable attention slicing with SDPA or xFormers, it can lead to serious slow downs!`)},l(a){s=i(a,"P",{});var f=l(s);b=p(f,"\u26A0\uFE0F Don\u2019t enable attention slicing if you\u2019re already using "),d=i(f,"CODE",{});var P=l(d);c=p(P,"scaled_dot_product_attention"),P.forEach(n),_=p(f,` (SDPA) from PyTorch
2.0 or xFormers. These attention computations are already very memory efficient so you won\u2019t need to enable
this function. If you enable attention slicing with SDPA or xFormers, it can lead to serious slow downs!`),f.forEach(n)},m(a,f){y(a,s,f),e(s,b),e(s,d),e(d,c),e(s,_)},d(a){a&&n(s)}}}function Sn(S){let s,b,d,c,_;return c=new an({props:{code:"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",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">import</span> torch
<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> StableDiffusionPipeline

<span class="hljs-meta">&gt;&gt;&gt; </span>pipe = StableDiffusionPipeline.from_pretrained(
<span class="hljs-meta">... </span>    <span class="hljs-string">&quot;runwayml/stable-diffusion-v1-5&quot;</span>,
<span class="hljs-meta">... </span>    torch_dtype=torch.float16,
<span class="hljs-meta">... </span>    use_safetensors=<span class="hljs-literal">True</span>,
<span class="hljs-meta">... </span>)

<span class="hljs-meta">&gt;&gt;&gt; </span>prompt = <span class="hljs-string">&quot;a photo of an astronaut riding a horse on mars&quot;</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>pipe.enable_attention_slicing()
<span class="hljs-meta">&gt;&gt;&gt; </span>image = pipe(prompt).images[<span class="hljs-number">0</span>]`}}),{c(){s=o("p"),b=r("Examples:"),d=m(),v(c.$$.fragment)},l(a){s=i(a,"P",{});var f=l(s);b=p(f,"Examples:"),f.forEach(n),d=h(a),$(c.$$.fragment,a)},m(a,f){y(a,s,f),e(s,b),y(a,d,f),U(c,a,f),_=!0},p:nn,i(a){_||(J(c.$$.fragment,a),_=!0)},o(a){T(c.$$.fragment,a),_=!1},d(a){a&&n(s),a&&n(d),I(c,a)}}}function Pn(S){let s,b;return{c(){s=o("p"),b=r(`\u26A0\uFE0F When memory efficient attention and sliced attention are both enabled, memory efficient attention takes
precedent.`)},l(d){s=i(d,"P",{});var c=l(s);b=p(c,`\u26A0\uFE0F When memory efficient attention and sliced attention are both enabled, memory efficient attention takes
precedent.`),c.forEach(n)},m(d,c){y(d,s,c),e(s,b)},d(d){d&&n(s)}}}function jn(S){let s,b,d,c,_;return c=new an({props:{code:"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",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">import</span> torch
<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline
<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> xformers.ops <span class="hljs-keyword">import</span> MemoryEfficientAttentionFlashAttentionOp

<span class="hljs-meta">&gt;&gt;&gt; </span>pipe = DiffusionPipeline.from_pretrained(<span class="hljs-string">&quot;stabilityai/stable-diffusion-2-1&quot;</span>, torch_dtype=torch.float16)
<span class="hljs-meta">&gt;&gt;&gt; </span>pipe = pipe.to(<span class="hljs-string">&quot;cuda&quot;</span>)
<span class="hljs-meta">&gt;&gt;&gt; </span>pipe.enable_xformers_memory_efficient_attention(attention_op=MemoryEfficientAttentionFlashAttentionOp)
<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-comment"># Workaround for not accepting attention shape using VAE for Flash Attention</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>pipe.vae.enable_xformers_memory_efficient_attention(attention_op=<span class="hljs-literal">None</span>)`}}),{c(){s=o("p"),b=r("Examples:"),d=m(),v(c.$$.fragment)},l(a){s=i(a,"P",{});var f=l(s);b=p(f,"Examples:"),f.forEach(n),d=h(a),$(c.$$.fragment,a)},m(a,f){y(a,s,f),e(s,b),y(a,d,f),U(c,a,f),_=!0},p:nn,i(a){_||(J(c.$$.fragment,a),_=!0)},o(a){T(c.$$.fragment,a),_=!1},d(a){a&&n(s),a&&n(d),I(c,a)}}}function Zn(S){let s,b,d,c,_,a,f,P,L,Y,D,W,k,re,C,V,pe,E,x,xe,j,ce,B,fe,F,q,je,de,rt,Ze,pt,Ye,w,ue,ct,Ge,ft,dt,me,ut,Ee,mt,ht,gt,R,he,bt,Le,_t,yt,Q,wt,O,ge,vt,X,$t,We,Ut,Jt,ke,Tt,It,Mt,Z,be,Dt,Ce,xt,Et,H,St,K,Pt,ee,_e,jt,ye,Zt,Ve,Gt,Lt,Wt,G,we,kt,ve,Ct,$e,Vt,Bt,Nt,te,Rt,ne,Ft,ae,Ue,Xt,Je,At,Te,zt,Yt,qe,A,se,Be,Ie,qt,Ne,Qt,Qe,z,Me,Ot,Re,Ht,Oe;return a=new en({}),B=new Kt({props:{$$slots:{default:[Dn]},$$scope:{ctx:S}}}),de=new en({}),ue=new le({props:{name:"class diffusers.StableDiffusionLatentUpscalePipeline",anchor:"diffusers.StableDiffusionLatentUpscalePipeline",parameters:[{name:"vae",val:": AutoencoderKL"},{name:"text_encoder",val:": CLIPTextModel"},{name:"tokenizer",val:": CLIPTokenizer"},{name:"unet",val:": UNet2DConditionModel"},{name:"scheduler",val:": EulerDiscreteScheduler"}],parametersDescription:[{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.vae",description:`<strong>vae</strong> (<a href="/docs/diffusers/main/en/api/models/autoencoderkl#diffusers.AutoencoderKL">AutoencoderKL</a>) &#x2014;
Variational Auto-Encoder (VAE) model to encode and decode images to and from latent representations.`,name:"vae"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.text_encoder",description:`<strong>text_encoder</strong> (<a href="https://huggingface.co/docs/transformers/main/en/model_doc/clip#transformers.CLIPTextModel" rel="nofollow">CLIPTextModel</a>) &#x2014;
Frozen text-encoder (<a href="https://huggingface.co/openai/clip-vit-large-patch14" rel="nofollow">clip-vit-large-patch14</a>).`,name:"text_encoder"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.tokenizer",description:`<strong>tokenizer</strong> (<a href="https://huggingface.co/docs/transformers/main/en/model_doc/clip#transformers.CLIPTokenizer" rel="nofollow">CLIPTokenizer</a>) &#x2014;
A <code>CLIPTokenizer</code> to tokenize text.`,name:"tokenizer"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.unet",description:`<strong>unet</strong> (<a href="/docs/diffusers/main/en/api/models/unet2d-cond#diffusers.UNet2DConditionModel">UNet2DConditionModel</a>) &#x2014;
A <code>UNet2DConditionModel</code> to denoise the encoded image latents.`,name:"unet"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.scheduler",description:`<strong>scheduler</strong> (<a href="/docs/diffusers/main/en/api/schedulers/overview#diffusers.SchedulerMixin">SchedulerMixin</a>) &#x2014;
A <a href="/docs/diffusers/main/en/api/schedulers/euler#diffusers.EulerDiscreteScheduler">EulerDiscreteScheduler</a> to be used in combination with <code>unet</code> to denoise the encoded image latents.`,name:"scheduler"}],source:"https://github.com/huggingface/diffusers/blob/main/src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_latent_upscale.py#L61"}}),he=new le({props:{name:"__call__",anchor:"diffusers.StableDiffusionLatentUpscalePipeline.__call__",parameters:[{name:"prompt",val:": typing.Union[str, typing.List[str]]"},{name:"image",val:": typing.Union[torch.FloatTensor, PIL.Image.Image, numpy.ndarray, typing.List[torch.FloatTensor], typing.List[PIL.Image.Image], typing.List[numpy.ndarray]] = None"},{name:"num_inference_steps",val:": int = 75"},{name:"guidance_scale",val:": float = 9.0"},{name:"negative_prompt",val:": typing.Union[typing.List[str], str, NoneType] = None"},{name:"generator",val:": typing.Union[torch._C.Generator, typing.List[torch._C.Generator], NoneType] = None"},{name:"latents",val:": typing.Optional[torch.FloatTensor] = None"},{name:"output_type",val:": typing.Optional[str] = 'pil'"},{name:"return_dict",val:": bool = True"},{name:"callback",val:": typing.Union[typing.Callable[[int, int, torch.FloatTensor], NoneType], NoneType] = None"},{name:"callback_steps",val:": int = 1"}],parametersDescription:[{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.__call__.prompt",description:`<strong>prompt</strong> (<code>str</code> or <code>List[str]</code>) &#x2014;
The prompt or prompts to guide image upscaling.`,name:"prompt"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.__call__.image",description:`<strong>image</strong> (<code>torch.FloatTensor</code>, <code>PIL.Image.Image</code>, <code>np.ndarray</code>, <code>List[torch.FloatTensor]</code>, <code>List[PIL.Image.Image]</code>, or <code>List[np.ndarray]</code>) &#x2014;
<code>Image</code> or tensor representing an image batch to be upscaled. If it&#x2019;s a tensor, it can be either a
latent output from a Stable Diffusion model or an image tensor in the range <code>[-1, 1]</code>. It is considered
a <code>latent</code> if <code>image.shape[1]</code> is <code>4</code>; otherwise, it is considered to be an image representation and
encoded using this pipeline&#x2019;s <code>vae</code> encoder.`,name:"image"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.__call__.num_inference_steps",description:`<strong>num_inference_steps</strong> (<code>int</code>, <em>optional</em>, defaults to 50) &#x2014;
The number of denoising steps. More denoising steps usually lead to a higher quality image at the
expense of slower inference.`,name:"num_inference_steps"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.__call__.guidance_scale",description:`<strong>guidance_scale</strong> (<code>float</code>, <em>optional</em>, defaults to 7.5) &#x2014;
A higher guidance scale value encourages the model to generate images closely linked to the text
<code>prompt</code> at the expense of lower image quality. Guidance scale is enabled when <code>guidance_scale &gt; 1</code>.`,name:"guidance_scale"},{anchor:"diffusers.StableDiffusionLatentUpscalePipeline.__call__.negative_prompt",description:`<strong>negative_prompt</strong> (<code>str</code> or <code>List[str]</code>, <em>optional</em>) &#x2014;
The prompt or prompts to guide what to not include in image generation. If not defined, you need to
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