diffusers/main/en/_app/pages/using-diffusers/schedulers.mdx-hf-doc-builder.js

import{S as Zn,i as vn,s as Un,e as t,k as c,w as f,t as o,M as Jn,c as a,d as l,m as u,a as i,x as d,h as p,b as h,N as Ql,G as s,g as n,y as m,q as M,o as y,B as b,v as jn}from"../../chunks/vendor-hf-doc-builder.js";import{T as _n}from"../../chunks/Tip-hf-doc-builder.js";import{I as zl}from"../../chunks/IconCopyLink-hf-doc-builder.js";import{C as U}from"../../chunks/CodeBlock-hf-doc-builder.js";import{D as gn}from"../../chunks/DocNotebookDropdown-hf-doc-builder.js";function En(bs){let w,le,J,g,Q,E,T,G,z,se,k,C,j,Me;return{c(){w=t("p"),le=o("The following Flax schedulers are "),J=t("em"),g=o("not yet compatible"),Q=o(" with the Flax Stable Diffusion Pipeline:"),E=c(),T=t("ul"),G=t("li"),z=t("code"),se=o("FlaxLMSDiscreteScheduler"),k=c(),C=t("li"),j=t("code"),Me=o("FlaxDDPMScheduler")},l(Z){w=a(Z,"P",{});var S=i(w);le=p(S,"The following Flax schedulers are "),J=a(S,"EM",{});var Ye=i(J);g=p(Ye,"not yet compatible"),Ye.forEach(l),Q=p(S," with the Flax Stable Diffusion Pipeline:"),S.forEach(l),E=u(Z),T=a(Z,"UL",{});var P=i(T);G=a(P,"LI",{});var $=i(G);z=a($,"CODE",{});var Qe=i(z);se=p(Qe,"FlaxLMSDiscreteScheduler"),Qe.forEach(l),$.forEach(l),k=u(P),C=a(P,"LI",{});var te=i(C);j=a(te,"CODE",{});var ze=i(j);Me=p(ze,"FlaxDDPMScheduler"),ze.forEach(l),te.forEach(l),P.forEach(l)},m(Z,S){n(Z,w,S),s(w,le),s(w,J),s(J,g),s(w,Q),n(Z,E,S),n(Z,T,S),s(T,G),s(G,z),s(z,se),s(T,k),s(T,C),s(C,j),s(j,Me)},d(Z){Z&&l(w),Z&&l(E),Z&&l(T)}}}function Tn(bs){let w,le,J,g,Q,E,T,G,z,se,k,C,j,Me,Z,S,Ye,P,$,Qe,te,ze,It,ws,A,Pl,Bt,Wt,Hl,Nt,Xt,ql,Ct,Zs,R,At,Ll,Rt,xt,Kl,Dt,Ft,vs,Pe,Yt,Us,H,ae,Ol,ye,Qt,es,zt,Js,x,Pt,be,ls,Ht,qt,He,Lt,Kt,js,we,_s,qe,Ot,gs,Ze,Es,q,re,ss,ve,ea,ts,la,Ts,D,sa,as,ta,aa,rs,ra,ia,Ss,Ue,Gs,Je,is,na,oa,ks,je,$s,ie,pa,Le,ca,ua,Vs,_e,Is,Ke,ha,Bs,ge,Ws,V,fa,da,Oe,ii,ma,Ma,Ns,L,ne,ns,Ee,ya,os,ba,Xs,oe,wa,ps,Za,va,Cs,Te,As,Se,cs,Ua,Ja,Rs,Ge,xs,el,ja,Ds,v,ll,sl,_a,ga,Ea,tl,al,Ta,Sa,Ga,rl,il,ka,$a,Va,nl,ol,Ia,Ba,Wa,pl,cl,Na,Xa,Ca,ul,hl,Aa,Ra,xa,fl,dl,Da,Fa,Fs,F,Ya,us,Qa,za,ml,Pa,Ha,Ys,ke,Qs,Ml,qa,zs,$e,hs,La,Ka,Ps,Ve,Hs,pe,Oa,yl,er,lr,qs,Ie,Ls,bl,sr,Ks,Be,Os,I,tr,ar,wl,ni,rr,ir,et,ce,nr,Zl,or,pr,lt,K,ue,fs,We,cr,ds,ur,st,Y,hr,vl,fr,dr,Ul,mr,Mr,tt,Ne,Jl,yr,br,at,Xe,rt,B,wr,Zr,jl,oi,vr,Ur,it,O,_l,Jr,jr,gl,_r,gr,nt,Ce,ot,W,Er,Tr,El,pi,Sr,Gr,pt,Tl,kr,ct,Ae,ut,N,$r,Vr,Sl,ci,Ir,Br,ht,he,Wr,Gl,Nr,Xr,ft,Re,dt,X,Cr,Ar,kl,ui,Rr,xr,mt,$l,Dr,Mt,ee,fe,ms,xe,Fr,Ms,Yr,yt,de,Qr,Vl,zr,Pr,bt,De,wt,me,Zt;return E=new zl({}),k=new gn({props:{classNames:"absolute z-10 right-0 top-0",options:[{label:"Mixed",value:"https://colab.research.google.com/github/huggingface/notebooks/blob/main/diffusers_doc/en/schedulers.ipynb"},{label:"PyTorch",value:"https://colab.research.google.com/github/huggingface/notebooks/blob/main/diffusers_doc/en/pytorch/schedulers.ipynb"},{label:"TensorFlow",value:"https://colab.research.google.com/github/huggingface/notebooks/blob/main/diffusers_doc/en/tensorflow/schedulers.ipynb"},{label:"Mixed",value:"https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/diffusers_doc/en/schedulers.ipynb"},{label:"PyTorch",value:"https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/diffusers_doc/en/pytorch/schedulers.ipynb"},{label:"TensorFlow",value:"https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/diffusers_doc/en/tensorflow/schedulers.ipynb"}]}}),ye=new zl({}),we=new U({props:{code:"ZnJvbSUyMGh1Z2dpbmdmYWNlX2h1YiUyMGltcG9ydCUyMGxvZ2luJTBBZnJvbSUyMGRpZmZ1c2VycyUyMGltcG9ydCUyMERpZmZ1c2lvblBpcGVsaW5lJTBBaW1wb3J0JTIwdG9yY2glMEElMEFsb2dpbigpJTBBJTBBcGlwZWxpbmUlMjAlM0QlMjBEaWZmdXNpb25QaXBlbGluZS5mcm9tX3ByZXRyYWluZWQoJTBBJTIwJTIwJTIwJTIwJTIycnVud2F5bWwlMkZzdGFibGUtZGlmZnVzaW9uLXYxLTUlMjIlMkMlMjB0b3JjaF9kdHlwZSUzRHRvcmNoLmZsb2F0MTYlMkMlMjB1c2Vfc2FmZXRlbnNvcnMlM0RUcnVlJTBBKQ==",highlighted:`<span class="hljs-keyword">from</span> huggingface_hub <span class="hljs-keyword">import</span> login
<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DiffusionPipeline
<span class="hljs-keyword">import</span> torch

login()

pipeline = DiffusionPipeline.from_pretrained(
    <span class="hljs-string">&quot;runwayml/stable-diffusion-v1-5&quot;</span>, torch_dtype=torch.float16, use_safetensors=<span class="hljs-literal">True</span>
)`}}),Ze=new U({props:{code:"cGlwZWxpbmUudG8oJTIyY3VkYSUyMik=",highlighted:'pipeline.to(<span class="hljs-string">&quot;cuda&quot;</span>)'}}),ve=new zl({}),Ue=new U({props:{code:"cGlwZWxpbmUuc2NoZWR1bGVy",highlighted:"pipeline.scheduler"}}),je=new U({props:{code:"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",highlighted:`PNDMScheduler {
  <span class="hljs-string">&quot;_class_name&quot;</span>: <span class="hljs-string">&quot;PNDMScheduler&quot;</span>,
  <span class="hljs-string">&quot;_diffusers_version&quot;</span>: <span class="hljs-string">&quot;0.8.0.dev0&quot;</span>,
  <span class="hljs-string">&quot;beta_end&quot;</span>: <span class="hljs-number">0.012</span>,
  <span class="hljs-string">&quot;beta_schedule&quot;</span>: <span class="hljs-string">&quot;scaled_linear&quot;</span>,
  <span class="hljs-string">&quot;beta_start&quot;</span>: <span class="hljs-number">0.00085</span>,
  <span class="hljs-string">&quot;clip_sample&quot;</span>: <span class="hljs-literal">false</span>,
  <span class="hljs-string">&quot;num_train_timesteps&quot;</span>: <span class="hljs-number">1000</span>,
  <span class="hljs-string">&quot;set_alpha_to_one&quot;</span>: <span class="hljs-literal">false</span>,
  <span class="hljs-string">&quot;skip_prk_steps&quot;</span>: <span class="hljs-literal">true</span>,
  <span class="hljs-string">&quot;steps_offset&quot;</span>: <span class="hljs-number">1</span>,
  <span class="hljs-string">&quot;trained_betas&quot;</span>: <span class="hljs-literal">null</span>
}`}}),_e=new U({props:{code:"cHJvbXB0JTIwJTNEJTIwJTIyQSUyMHBob3RvZ3JhcGglMjBvZiUyMGFuJTIwYXN0cm9uYXV0JTIwcmlkaW5nJTIwYSUyMGhvcnNlJTIwb24lMjBNYXJzJTJDJTIwaGlnaCUyMHJlc29sdXRpb24lMkMlMjBoaWdoJTIwZGVmaW5pdGlvbi4lMjI=",highlighted:'prompt = <span class="hljs-string">&quot;A photograph of an astronaut riding a horse on Mars, high resolution, high definition.&quot;</span>'}}),ge=new U({props:{code:"Z2VuZXJhdG9yJTIwJTNEJTIwdG9yY2guR2VuZXJhdG9yKGRldmljZSUzRCUyMmN1ZGElMjIpLm1hbnVhbF9zZWVkKDgpJTBBaW1hZ2UlMjAlM0QlMjBwaXBlbGluZShwcm9tcHQlMkMlMjBnZW5lcmF0b3IlM0RnZW5lcmF0b3IpLmltYWdlcyU1QjAlNUQlMEFpbWFnZQ==",highlighted:`generator = torch.Generator(device=<span class="hljs-string">&quot;cuda&quot;</span>).manual_seed(<span class="hljs-number">8</span>)
image = pipeline(prompt, generator=generator).images[<span class="hljs-number">0</span>]
image`}}),Ee=new zl({}),Te=new U({props:{code:"cGlwZWxpbmUuc2NoZWR1bGVyLmNvbXBhdGlibGVz",highlighted:"pipeline.scheduler.compatibles"}}),Ge=new U({props:{code:"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",highlighted:`[<span class="hljs-keyword">diffusers.schedulers.scheduling_lms_discrete.LMSDiscreteScheduler,
</span> <span class="hljs-keyword">diffusers.schedulers.scheduling_ddim.DDIMScheduler,
</span> <span class="hljs-keyword">diffusers.schedulers.scheduling_dpmsolver_multistep.DPMSolverMultistepScheduler,
</span> <span class="hljs-keyword">diffusers.schedulers.scheduling_euler_discrete.EulerDiscreteScheduler,
</span> <span class="hljs-keyword">diffusers.schedulers.scheduling_pndm.PNDMScheduler,
</span> <span class="hljs-keyword">diffusers.schedulers.scheduling_ddpm.DDPMScheduler,
</span> <span class="hljs-keyword">diffusers.schedulers.scheduling_euler_ancestral_discrete.EulerAncestralDiscreteScheduler]</span>`}}),ke=new U({props:{code:"cGlwZWxpbmUuc2NoZWR1bGVyLmNvbmZpZw==",highlighted:"pipeline.scheduler.config"}}),Ve=new U({props:{code:"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",highlighted:`FrozenDict([(&#x27;num_train_timesteps&#x27;, <span class="hljs-number">1000</span>),
            (&#x27;beta_start&#x27;, <span class="hljs-number">0.00085</span>),
            (&#x27;beta_end&#x27;, <span class="hljs-number">0.012</span>),
            (&#x27;beta_schedule&#x27;, &#x27;scaled_linear&#x27;),
            (&#x27;trained_betas&#x27;, None),
            (&#x27;skip_prk_steps&#x27;, True),
            (&#x27;set_alpha_to_one&#x27;, False),
            (&#x27;steps_offset&#x27;, <span class="hljs-number">1</span>),
            (&#x27;_class_name&#x27;, &#x27;PNDMScheduler&#x27;),
            (&#x27;_diffusers_version&#x27;, &#x27;<span class="hljs-number">0.8</span>.<span class="hljs-number">0</span>.dev0&#x27;),
            (&#x27;clip_sample&#x27;, False)])`}}),Ie=new U({props:{code:"ZnJvbSUyMGRpZmZ1c2VycyUyMGltcG9ydCUyMERESU1TY2hlZHVsZXIlMEElMEFwaXBlbGluZS5zY2hlZHVsZXIlMjAlM0QlMjBERElNU2NoZWR1bGVyLmZyb21fY29uZmlnKHBpcGVsaW5lLnNjaGVkdWxlci5jb25maWcp",highlighted:`<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DDIMScheduler

pipeline.scheduler = DDIMScheduler.from_config(pipeline.scheduler.config)`}}),Be=new U({props:{code:"Z2VuZXJhdG9yJTIwJTNEJTIwdG9yY2guR2VuZXJhdG9yKGRldmljZSUzRCUyMmN1ZGElMjIpLm1hbnVhbF9zZWVkKDgpJTBBaW1hZ2UlMjAlM0QlMjBwaXBlbGluZShwcm9tcHQlMkMlMjBnZW5lcmF0b3IlM0RnZW5lcmF0b3IpLmltYWdlcyU1QjAlNUQlMEFpbWFnZQ==",highlighted:`generator = torch.Generator(device=<span class="hljs-string">&quot;cuda&quot;</span>).manual_seed(<span class="hljs-number">8</span>)
image = pipeline(prompt, generator=generator).images[<span class="hljs-number">0</span>]
image`}}),We=new zl({}),Xe=new U({props:{code:"ZnJvbSUyMGRpZmZ1c2VycyUyMGltcG9ydCUyMExNU0Rpc2NyZXRlU2NoZWR1bGVyJTBBJTBBcGlwZWxpbmUuc2NoZWR1bGVyJTIwJTNEJTIwTE1TRGlzY3JldGVTY2hlZHVsZXIuZnJvbV9jb25maWcocGlwZWxpbmUuc2NoZWR1bGVyLmNvbmZpZyklMEElMEFnZW5lcmF0b3IlMjAlM0QlMjB0b3JjaC5HZW5lcmF0b3IoZGV2aWNlJTNEJTIyY3VkYSUyMikubWFudWFsX3NlZWQoOCklMEFpbWFnZSUyMCUzRCUyMHBpcGVsaW5lKHByb21wdCUyQyUyMGdlbmVyYXRvciUzRGdlbmVyYXRvcikuaW1hZ2VzJTVCMCU1RCUwQWltYWdl",highlighted:`<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> LMSDiscreteScheduler

pipeline.scheduler = LMSDiscreteScheduler.from_config(pipeline.scheduler.config)

generator = torch.Generator(device=<span class="hljs-string">&quot;cuda&quot;</span>).manual_seed(<span class="hljs-number">8</span>)
image = pipeline(prompt, generator=generator).images[<span class="hljs-number">0</span>]
image`}}),Ce=new U({props:{code:"ZnJvbSUyMGRpZmZ1c2VycyUyMGltcG9ydCUyMEV1bGVyRGlzY3JldGVTY2hlZHVsZXIlMEElMEFwaXBlbGluZS5zY2hlZHVsZXIlMjAlM0QlMjBFdWxlckRpc2NyZXRlU2NoZWR1bGVyLmZyb21fY29uZmlnKHBpcGVsaW5lLnNjaGVkdWxlci5jb25maWcpJTBBJTBBZ2VuZXJhdG9yJTIwJTNEJTIwdG9yY2guR2VuZXJhdG9yKGRldmljZSUzRCUyMmN1ZGElMjIpLm1hbnVhbF9zZWVkKDgpJTBBaW1hZ2UlMjAlM0QlMjBwaXBlbGluZShwcm9tcHQlMkMlMjBnZW5lcmF0b3IlM0RnZW5lcmF0b3IlMkMlMjBudW1faW5mZXJlbmNlX3N0ZXBzJTNEMzApLmltYWdlcyU1QjAlNUQlMEFpbWFnZQ==",highlighted:`<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> EulerDiscreteScheduler

pipeline.scheduler = EulerDiscreteScheduler.from_config(pipeline.scheduler.config)

generator = torch.Generator(device=<span class="hljs-string">&quot;cuda&quot;</span>).manual_seed(<span class="hljs-number">8</span>)
image = pipeline(prompt, generator=generator, num_inference_steps=<span class="hljs-number">30</span>).images[<span class="hljs-number">0</span>]
image`}}),Ae=new U({props:{code:"ZnJvbSUyMGRpZmZ1c2VycyUyMGltcG9ydCUyMEV1bGVyQW5jZXN0cmFsRGlzY3JldGVTY2hlZHVsZXIlMEElMEFwaXBlbGluZS5zY2hlZHVsZXIlMjAlM0QlMjBFdWxlckFuY2VzdHJhbERpc2NyZXRlU2NoZWR1bGVyLmZyb21fY29uZmlnKHBpcGVsaW5lLnNjaGVkdWxlci5jb25maWcpJTBBJTBBZ2VuZXJhdG9yJTIwJTNEJTIwdG9yY2guR2VuZXJhdG9yKGRldmljZSUzRCUyMmN1ZGElMjIpLm1hbnVhbF9zZWVkKDgpJTBBaW1hZ2UlMjAlM0QlMjBwaXBlbGluZShwcm9tcHQlMkMlMjBnZW5lcmF0b3IlM0RnZW5lcmF0b3IlMkMlMjBudW1faW5mZXJlbmNlX3N0ZXBzJTNEMzApLmltYWdlcyU1QjAlNUQlMEFpbWFnZQ==",highlighted:`<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> EulerAncestralDiscreteScheduler

pipeline.scheduler = EulerAncestralDiscreteScheduler.from_config(pipeline.scheduler.config)

generator = torch.Generator(device=<span class="hljs-string">&quot;cuda&quot;</span>).manual_seed(<span class="hljs-number">8</span>)
image = pipeline(prompt, generator=generator, num_inference_steps=<span class="hljs-number">30</span>).images[<span class="hljs-number">0</span>]
image`}}),Re=new U({props:{code:"ZnJvbSUyMGRpZmZ1c2VycyUyMGltcG9ydCUyMERQTVNvbHZlck11bHRpc3RlcFNjaGVkdWxlciUwQSUwQXBpcGVsaW5lLnNjaGVkdWxlciUyMCUzRCUyMERQTVNvbHZlck11bHRpc3RlcFNjaGVkdWxlci5mcm9tX2NvbmZpZyhwaXBlbGluZS5zY2hlZHVsZXIuY29uZmlnKSUwQSUwQWdlbmVyYXRvciUyMCUzRCUyMHRvcmNoLkdlbmVyYXRvcihkZXZpY2UlM0QlMjJjdWRhJTIyKS5tYW51YWxfc2VlZCg4KSUwQWltYWdlJTIwJTNEJTIwcGlwZWxpbmUocHJvbXB0JTJDJTIwZ2VuZXJhdG9yJTNEZ2VuZXJhdG9yJTJDJTIwbnVtX2luZmVyZW5jZV9zdGVwcyUzRDIwKS5pbWFnZXMlNUIwJTVEJTBBaW1hZ2U=",highlighted:`<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> DPMSolverMultistepScheduler

pipeline.scheduler = DPMSolverMultistepScheduler.from_config(pipeline.scheduler.config)

generator = torch.Generator(device=<span class="hljs-string">&quot;cuda&quot;</span>).manual_seed(<span class="hljs-number">8</span>)
image = pipeline(prompt, generator=generator, num_inference_steps=<span class="hljs-number">20</span>).images[<span class="hljs-number">0</span>]
image`}}),xe=new zl({}),De=new U({props:{code:"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",highlighted:`<span class="hljs-keyword">import</span> jax
<span class="hljs-keyword">import</span> numpy <span class="hljs-keyword">as</span> np
<span class="hljs-keyword">from</span> flax.jax_utils <span class="hljs-keyword">import</span> replicate
<span class="hljs-keyword">from</span> flax.training.common_utils <span class="hljs-keyword">import</span> shard

<span class="hljs-keyword">from</span> diffusers <span class="hljs-keyword">import</span> FlaxStableDiffusionPipeline, FlaxDPMSolverMultistepScheduler

model_id = <span class="hljs-string">&quot;runwayml/stable-diffusion-v1-5&quot;</span>
scheduler, scheduler_state = FlaxDPMSolverMultistepScheduler.from_pretrained(
    model_id,
    subfolder=<span class="hljs-string">&quot;scheduler&quot;</span>
)
pipeline, params = FlaxStableDiffusionPipeline.from_pretrained(
    model_id,
    scheduler=scheduler,
    revision=<span class="hljs-string">&quot;bf16&quot;</span>,
    dtype=jax.numpy.bfloat16,
)
params[<span class="hljs-string">&quot;scheduler&quot;</span>] = scheduler_state

<span class="hljs-comment"># Generate 1 image per parallel device (8 on TPUv2-8 or TPUv3-8)</span>
prompt = <span class="hljs-string">&quot;a photo of an astronaut riding a horse on mars&quot;</span>
num_samples = jax.device_count()
prompt_ids = pipeline.prepare_inputs([prompt] * num_samples)

prng_seed = jax.random.PRNGKey(<span class="hljs-number">0</span>)
num_inference_steps = <span class="hljs-number">25</span>

<span class="hljs-comment"># shard inputs and rng</span>
params = replicate(params)
prng_seed = jax.random.split(prng_seed, jax.device_count())
prompt_ids = shard(prompt_ids)

images = pipeline(prompt_ids, params, prng_seed, num_inference_steps, jit=<span class="hljs-literal">True</span>).images
images = pipeline.numpy_to_pil(np.asarray(images.reshape((num_samples,) + images.shape[-<span class="hljs-number">3</span>:])))`}}),me=new _n({props:{warning:!0,$$slots:{default:[En]},$$scope:{ctx:bs}}}),{c(){w=t("meta"),le=c(),J=t("h1"),g=t("a"),Q=t("span"),f(E.$$.fragment),T=c(),G=t("span"),z=o("Schedulers"),se=c(),f(k.$$.fragment),C=c(),j=t("p"),Me=o(`Diffusion pipelines are inherently a collection of diffusion models and schedulers that are partly independent from each other. This means that one is able to switch out parts of the pipeline to better customize
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It is extremely difficult to measure quantitatively which scheduler works best for a given diffusion pipeline, so it is often recommended to simply try out which works best.`),vs=c(),Pe=t("p"),Yt=o("The following paragraphs show how to do so with the \u{1F9E8} Diffusers library."),Us=c(),H=t("h2"),ae=t("a"),Ol=t("span"),f(ye.$$.fragment),Qt=c(),es=t("span"),zt=o("Load pipeline"),Js=c(),x=t("p"),Pt=o("Let\u2019s start by loading the "),be=t("a"),ls=t("code"),Ht=o("runwayml/stable-diffusion-v1-5"),qt=o(" model in the "),He=t("a"),Lt=o("DiffusionPipeline"),Kt=o(":"),js=c(),f(we.$$.fragment),_s=c(),qe=t("p"),Ot=o("Next, we move it to GPU:"),gs=c(),f(Ze.$$.fragment),Es=c(),q=t("h2"),re=t("a"),ss=t("span"),f(ve.$$.fragment),ea=c(),ts=t("span"),la=o("Access the scheduler"),Ts=c(),D=t("p"),sa=o("The scheduler is always one of the components of the pipeline and is usually called "),as=t("code"),ta=o('"scheduler"'),aa=o(`.
So it can be accessed via the `),rs=t("code"),ra=o('"scheduler"'),ia=o(" property."),Ss=c(),f(Ue.$$.fragment),Gs=c(),Je=t("p"),is=t("strong"),na=o("Output"),oa=o(":"),ks=c(),f(je.$$.fragment),$s=c(),ie=t("p"),pa=o("We can see that the scheduler is of type "),Le=t("a"),ca=o("PNDMScheduler"),ua=o(`.
Cool, now let\u2019s compare the scheduler in its performance to other schedulers.
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which defines all compatible schedulers. You can take a look at all available, compatible schedulers for the Stable Diffusion pipeline as follows.`),Cs=c(),f(Te.$$.fragment),As=c(),Se=t("p"),cs=t("strong"),Ua=o("Output"),Ja=o(":"),Rs=c(),f(Ge.$$.fragment),xs=c(),el=t("p"),ja=o("Cool, lots of schedulers to look at. Feel free to have a look at their respective class definitions:"),Ds=c(),v=t("ul"),ll=t("li"),sl=t("a"),_a=o("LMSDiscreteScheduler"),ga=o(","),Ea=c(),tl=t("li"),al=t("a"),Ta=o("DDIMScheduler"),Sa=o(","),Ga=c(),rl=t("li"),il=t("a"),ka=o("DPMSolverMultistepScheduler"),$a=o(","),Va=c(),nl=t("li"),ol=t("a"),Ia=o("EulerDiscreteScheduler"),Ba=o(","),Wa=c(),pl=t("li"),cl=t("a"),Na=o("PNDMScheduler"),Xa=o(","),Ca=c(),ul=t("li"),hl=t("a"),Aa=o("DDPMScheduler"),Ra=o(","),xa=c(),fl=t("li"),dl=t("a"),Da=o("EulerAncestralDiscreteScheduler"),Fa=o("."),Fs=c(),F=t("p"),Ya=o(`We will now compare the input prompt with all other schedulers. To change the scheduler of the pipeline you can make use of the
convenient `),us=t("code"),Qa=o("ConfigMixin.config"),za=o(" property in combination with the "),ml=t("a"),Pa=o("ConfigMixin.from_config()"),Ha=o(" function."),Ys=c(),f(ke.$$.fragment),Qs=c(),Ml=t("p"),qa=o("returns a dictionary of the configuration of the scheduler:"),zs=c(),$e=t("p"),hs=t("strong"),La=o("Output"),Ka=o(":"),Ps=c(),f(Ve.$$.fragment),Hs=c(),pe=t("p"),Oa=o(`This configuration can then be used to instantiate a scheduler
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A number of better schedulers have been released that can be run with much fewer steps, let\u2019s compare them here:`),tt=c(),Ne=t("p"),Jl=t("a"),yr=o("LMSDiscreteScheduler"),br=o(" usually leads to better results:"),at=c(),f(Xe.$$.fragment),rt=c(),B=t("p"),wr=t("br"),Zr=c(),jl=t("img"),vr=c(),Ur=t("br"),it=c(),O=t("p"),_l=t("a"),Jr=o("EulerDiscreteScheduler"),jr=o(" and "),gl=t("a"),_r=o("EulerAncestralDiscreteScheduler"),gr=o(" can generate high quality results with as little as 30 steps."),nt=c(),f(Ce.$$.fragment),ot=c(),W=t("p"),Er=t("br"),Tr=c(),El=t("img"),Sr=c(),Gr=t("br"),pt=c(),Tl=t("p"),kr=o("and:"),ct=c(),f(Ae.$$.fragment),ut=c(),N=t("p"),$r=t("br"),Vr=c(),Sl=t("img"),Ir=c(),Br=t("br"),ht=c(),he=t("p"),Wr=o("At the time of writing this doc "),Gl=t("a"),Nr=o("DPMSolverMultistepScheduler"),Xr=o(` gives arguably the best speed/quality trade-off and can be run with as little
as 20 steps.`),ft=c(),f(Re.$$.fragment),dt=c(),X=t("p"),Cr=t("br"),Ar=c(),kl=t("img"),Rr=c(),xr=t("br"),mt=c(),$l=t("p"),Dr=o(`As you can see most images look very similar and are arguably of very similar quality. It often really depends on the specific use case which scheduler to choose. A good approach is always to run multiple different
schedulers to compare results.`),Mt=c(),ee=t("h2"),fe=t("a"),ms=t("span"),f(xe.$$.fragment),Fr=c(),Ms=t("span"),Yr=o("Changing the Scheduler in Flax"),yt=c(),de=t("p"),Qr=o("If you are a JAX/Flax user, you can also change the default pipeline scheduler. This is a complete example of how to run inference using the Flax Stable Diffusion pipeline and the super-fast "),Vl=t("a"),zr=o("DDPM-Solver++ scheduler"),Pr=o(":"),bt=c(),f(De.$$.fragment),wt=c(),f(me.$$.fragment),this.h()},l(e){const r=Jn('[data-svelte="svelte-1phssyn"]',document.head);w=a(r,"META",{name:!0,content:!0}),r.forEach(l),le=u(e),J=a(e,"H1",{class:!0});var Fe=i(J);g=a(Fe,"A",{id:!0,class:!0,href:!0});var hi=i(g);Q=a(hi,"SPAN",{});var fi=i(Q);d(E.$$.fragment,fi),fi.forEach(l),hi.forEach(l),T=u(Fe),G=a(Fe,"SPAN",{});var di=i(G);z=p(di,"Schedulers"),di.forEach(l),Fe.forEach(l),se=u(e),d(k.$$.fragment,e),C=u(e),j=a(e,"P",{});var vt=i(j);Me=p(vt,`Diffusion pipelines are inherently a collection of diffusion models and schedulers that are partly independent from each other. This means that one is able to switch out parts of the pipeline to better customize
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It is extremely difficult to measure quantitatively which scheduler works best for a given diffusion pipeline, so it is often recommended to simply try out which works best.`),Bl.forEach(l),vs=u(e),Pe=a(e,"P",{});var Ui=i(Pe);Yt=p(Ui,"The following paragraphs show how to do so with the \u{1F9E8} Diffusers library."),Ui.forEach(l),Us=u(e),H=a(e,"H2",{class:!0});var Jt=i(H);ae=a(Jt,"A",{id:!0,class:!0,href:!0});var Ji=i(ae);Ol=a(Ji,"SPAN",{});var ji=i(Ol);d(ye.$$.fragment,ji),ji.forEach(l),Ji.forEach(l),Qt=u(Jt),es=a(Jt,"SPAN",{});var _i=i(es);zt=p(_i,"Load pipeline"),_i.forEach(l),Jt.forEach(l),Js=u(e),x=a(e,"P",{});var Wl=i(x);Pt=p(Wl,"Let\u2019s start by loading the "),be=a(Wl,"A",{href:!0,rel:!0});var gi=i(be);ls=a(gi,"CODE",{});var Ei=i(ls);Ht=p(Ei,"runwayml/stable-diffusion-v1-5"),Ei.forEach(l),gi.forEach(l),qt=p(Wl," model in the "),He=a(Wl,"A",{href:!0});var Ti=i(He);Lt=p(Ti,"DiffusionPipeline"),Ti.forEach(l),Kt=p(Wl,":"),Wl.forEach(l),js=u(e),d(we.$$.fragment,e),_s=u(e),qe=a(e,"P",{});var Si=i(qe);Ot=p(Si,"Next, we move it to GPU:"),Si.forEach(l),gs=u(e),d(Ze.$$.fragment,e),Es=u(e),q=a(e,"H2",{class:!0});var jt=i(q);re=a(jt,"A",{id:!0,class:!0,href:!0});var Gi=i(re);ss=a(Gi,"SPAN",{});var ki=i(ss);d(ve.$$.fragment,ki),ki.forEach(l),Gi.forEach(l),ea=u(jt),ts=a(jt,"SPAN",{});var $i=i(ts);la=p($i,"Access the scheduler"),$i.forEach(l),jt.forEach(l),Ts=u(e),D=a(e,"P",{});var Nl=i(D);sa=p(Nl,"The scheduler is always one of the components of the pipeline and is usually called "),as=a(Nl,"CODE",{});var Vi=i(as);ta=p(Vi,'"scheduler"'),Vi.forEach(l),aa=p(Nl,`.
So it can be accessed via the `),rs=a(Nl,"CODE",{});var Ii=i(rs);ra=p(Ii,'"scheduler"'),Ii.forEach(l),ia=p(Nl," property."),Nl.forEach(l),Ss=u(e),d(Ue.$$.fragment,e),Gs=u(e),Je=a(e,"P",{});var Hr=i(Je);is=a(Hr,"STRONG",{});var Bi=i(is);na=p(Bi,"Output"),Bi.forEach(l),oa=p(Hr,":"),Hr.forEach(l),ks=u(e),d(je.$$.fragment,e),$s=u(e),ie=a(e,"P",{});var _t=i(ie);pa=p(_t,"We can see that the scheduler is of type "),Le=a(_t,"A",{href:!0});var Wi=i(Le);ca=p(Wi,"PNDMScheduler"),Wi.forEach(l),ua=p(_t,`.
Cool, now let\u2019s compare the scheduler in its performance to other schedulers.
First we define a prompt on which we will test all the different schedulers:`),_t.forEach(l),Vs=u(e),d(_e.$$.fragment,e),Is=u(e),Ke=a(e,"P",{});var Ni=i(Ke);ha=p(Ni,"Next, we create a generator from a random seed that will ensure that we can generate similar images as well as run the pipeline:"),Ni.forEach(l),Bs=u(e),d(ge.$$.fragment,e),Ws=u(e),V=a(e,"P",{align:!0});var Xl=i(V);fa=a(Xl,"BR",{}),da=u(Xl),Oe=a(Xl,"IMG",{src:!0,width:!0}),ma=u(Xl),Ma=a(Xl,"BR",{}),Xl.forEach(l),Ns=u(e),L=a(e,"H2",{class:!0});var gt=i(L);ne=a(gt,"A",{id:!0,class:!0,href:!0});var Xi=i(ne);ns=a(Xi,"SPAN",{});var Ci=i(ns);d(Ee.$$.fragment,Ci),Ci.forEach(l),Xi.forEach(l),ya=u(gt),os=a(gt,"SPAN",{});var Ai=i(os);ba=p(Ai,"Changing the scheduler"),Ai.forEach(l),gt.forEach(l),Xs=u(e),oe=a(e,"P",{});var Et=i(oe);wa=p(Et,"Now we show how easy it is to change the scheduler of a pipeline. Every scheduler has a property "),ps=a(Et,"CODE",{});var Ri=i(ps);Za=p(Ri,"SchedulerMixin.compatibles"),Ri.forEach(l),va=p(Et,`
which defines all compatible schedulers. You can take a look at all available, compatible schedulers for the Stable Diffusion pipeline as follows.`),Et.forEach(l),Cs=u(e),d(Te.$$.fragment,e),As=u(e),Se=a(e,"P",{});var qr=i(Se);cs=a(qr,"STRONG",{});var xi=i(cs);Ua=p(xi,"Output"),xi.forEach(l),Ja=p(qr,":"),qr.forEach(l),Rs=u(e),d(Ge.$$.fragment,e),xs=u(e),el=a(e,"P",{});var Di=i(el);ja=p(Di,"Cool, lots of schedulers to look at. Feel free to have a look at their respective class definitions:"),Di.forEach(l),Ds=u(e),v=a(e,"UL",{});var _=i(v);ll=a(_,"LI",{});var Lr=i(ll);sl=a(Lr,"A",{href:!0});var Fi=i(sl);_a=p(Fi,"LMSDiscreteScheduler"),Fi.forEach(l),ga=p(Lr,","),Lr.forEach(l),Ea=u(_),tl=a(_,"LI",{});var Kr=i(tl);al=a(Kr,"A",{href:!0});var Yi=i(al);Ta=p(Yi,"DDIMScheduler"),Yi.forEach(l),Sa=p(Kr,","),Kr.forEach(l),Ga=u(_),rl=a(_,"LI",{});var Or=i(rl);il=a(Or,"A",{href:!0});var Qi=i(il);ka=p(Qi,"DPMSolverMultistepScheduler"),Qi.forEach(l),$a=p(Or,","),Or.forEach(l),Va=u(_),nl=a(_,"LI",{});var ei=i(nl);ol=a(ei,"A",{href:!0});var zi=i(ol);Ia=p(zi,"EulerDiscreteScheduler"),zi.forEach(l),Ba=p(ei,","),ei.forEach(l),Wa=u(_),pl=a(_,"LI",{});var li=i(pl);cl=a(li,"A",{href:!0});var Pi=i(cl);Na=p(Pi,"PNDMScheduler"),Pi.forEach(l),Xa=p(li,","),li.forEach(l),Ca=u(_),ul=a(_,"LI",{});var si=i(ul);hl=a(si,"A",{href:!0});var Hi=i(hl);Aa=p(Hi,"DDPMScheduler"),Hi.forEach(l),Ra=p(si,","),si.forEach(l),xa=u(_),fl=a(_,"LI",{});var ti=i(fl);dl=a(ti,"A",{href:!0});var qi=i(dl);Da=p(qi,"EulerAncestralDiscreteScheduler"),qi.forEach(l),Fa=p(ti,"."),ti.forEach(l),_.forEach(l),Fs=u(e),F=a(e,"P",{});var Cl=i(F);Ya=p(Cl,`We will now compare the input prompt with all other schedulers. To change the scheduler of the pipeline you can make use of the
convenient `),us=a(Cl,"CODE",{});var Li=i(us);Qa=p(Li,"ConfigMixin.config"),Li.forEach(l),za=p(Cl," property in combination with the "),ml=a(Cl,"A",{href:!0});var Ki=i(ml);Pa=p(Ki,"ConfigMixin.from_config()"),Ki.forEach(l),Ha=p(Cl," function."),Cl.forEach(l),Ys=u(e),d(ke.$$.fragment,e),Qs=u(e),Ml=a(e,"P",{});var Oi=i(Ml);qa=p(Oi,"returns a dictionary of the configuration of the scheduler:"),Oi.forEach(l),zs=u(e),$e=a(e,"P",{});var ai=i($e);hs=a(ai,"STRONG",{});var en=i(hs);La=p(en,"Output"),en.forEach(l),Ka=p(ai,":"),ai.forEach(l),Ps=u(e),d(Ve.$$.fragment,e),Hs=u(e),pe=a(e,"P",{});var Tt=i(pe);Oa=p(Tt,`This configuration can then be used to instantiate a scheduler
of a different class that is compatible with the pipeline. Here,
we change the scheduler to the `),yl=a(Tt,"A",{href:!0});var ln=i(yl);er=p(ln,"DDIMScheduler"),ln.forEach(l),lr=p(Tt,"."),Tt.forEach(l),qs=u(e),d(Ie.$$.fragment,e),Ls=u(e),bl=a(e,"P",{});var sn=i(bl);sr=p(sn,"Cool, now we can run the pipeline again to compare the generation quality."),sn.forEach(l),Ks=u(e),d(Be.$$.fragment,e),Os=u(e),I=a(e,"P",{align:!0});var Al=i(I);tr=a(Al,"BR",{}),ar=u(Al),wl=a(Al,"IMG",{src:!0,width:!0}),rr=u(Al),ir=a(Al,"BR",{}),Al.forEach(l),et=u(e),ce=a(e,"P",{});var St=i(ce);nr=p(St,"If you are a JAX/Flax user, please check "),Zl=a(St,"A",{href:!0});var tn=i(Zl);or=p(tn,"this section"),tn.forEach(l),pr=p(St," instead."),St.forEach(l),lt=u(e),K=a(e,"H2",{class:!0});var Gt=i(K);ue=a(Gt,"A",{id:!0,class:!0,href:!0});var an=i(ue);fs=a(an,"SPAN",{});var rn=i(fs);d(We.$$.fragment,rn),rn.forEach(l),an.forEach(l),cr=u(Gt),ds=a(Gt,"SPAN",{});var nn=i(ds);ur=p(nn,"Compare schedulers"),nn.forEach(l),Gt.forEach(l),st=u(e),Y=a(e,"P",{});var Rl=i(Y);hr=p(Rl,"So far we have tried running the stable diffusion pipeline with two schedulers: "),vl=a(Rl,"A",{href:!0});var on=i(vl);fr=p(on,"PNDMScheduler"),on.forEach(l),dr=p(Rl," and "),Ul=a(Rl,"A",{href:!0});var pn=i(Ul);mr=p(pn,"DDIMScheduler"),pn.forEach(l),Mr=p(Rl,`.
A number of better schedulers have been released that can be run with much fewer steps, let\u2019s compare them here:`),Rl.forEach(l),tt=u(e),Ne=a(e,"P",{});var ri=i(Ne);Jl=a(ri,"A",{href:!0});var cn=i(Jl);yr=p(cn,"LMSDiscreteScheduler"),cn.forEach(l),br=p(ri," usually leads to better results:"),ri.forEach(l),at=u(e),d(Xe.$$.fragment,e),rt=u(e),B=a(e,"P",{align:!0});var xl=i(B);wr=a(xl,"BR",{}),Zr=u(xl),jl=a(xl,"IMG",{src:!0,width:!0}),vr=u(xl),Ur=a(xl,"BR",{}),xl.forEach(l),it=u(e),O=a(e,"P",{});var ys=i(O);_l=a(ys,"A",{href:!0});var un=i(_l);Jr=p(un,"EulerDiscreteScheduler"),un.forEach(l),jr=p(ys," and "),gl=a(ys,"A",{href:!0});var hn=i(gl);_r=p(hn,"EulerAncestralDiscreteScheduler"),hn.forEach(l),gr=p(ys," can generate high quality results with as little as 30 steps."),ys.forEach(l),nt=u(e),d(Ce.$$.fragment,e),ot=u(e),W=a(e,"P",{align:!0});var Dl=i(W);Er=a(Dl,"BR",{}),Tr=u(Dl),El=a(Dl,"IMG",{src:!0,width:!0}),Sr=u(Dl),Gr=a(Dl,"BR",{}),Dl.forEach(l),pt=u(e),Tl=a(e,"P",{});var fn=i(Tl);kr=p(fn,"and:"),fn.forEach(l),ct=u(e),d(Ae.$$.fragment,e),ut=u(e),N=a(e,"P",{align:!0});var Fl=i(N);$r=a(Fl,"BR",{}),Vr=u(Fl),Sl=a(Fl,"IMG",{src:!0,width:!0}),Ir=u(Fl),Br=a(Fl,"BR",{}),Fl.forEach(l),ht=u(e),he=a(e,"P",{});var kt=i(he);Wr=p(kt,"At the time of writing this doc "),Gl=a(kt,"A",{href:!0});var dn=i(Gl);Nr=p(dn,"DPMSolverMultistepScheduler"),dn.forEach(l),Xr=p(kt,` gives arguably the best speed/quality trade-off and can be run with as little
as 20 steps.`),kt.forEach(l),ft=u(e),d(Re.$$.fragment,e),dt=u(e),X=a(e,"P",{align:!0});var Yl=i(X);Cr=a(Yl,"BR",{}),Ar=u(Yl),kl=a(Yl,"IMG",{src:!0,width:!0}),Rr=u(Yl),xr=a(Yl,"BR",{}),Yl.forEach(l),mt=u(e),$l=a(e,"P",{});var mn=i($l);Dr=p(mn,`As you can see most images look very similar and are arguably of very similar quality. It often really depends on the specific use case which scheduler to choose. A good approach is always to run multiple different
schedulers to compare results.`),mn.forEach(l),Mt=u(e),ee=a(e,"H2",{class:!0});var $t=i(ee);fe=a($t,"A",{id:!0,class:!0,href:!0});var Mn=i(fe);ms=a(Mn,"SPAN",{});var yn=i(ms);d(xe.$$.fragment,yn),yn.forEach(l),Mn.forEach(l),Fr=u($t),Ms=a($t,"SPAN",{});var bn=i(Ms);Yr=p(bn,"Changing the Scheduler in Flax"),bn.forEach(l),$t.forEach(l),yt=u(e),de=a(e,"P",{});var Vt=i(de);Qr=p(Vt,"If you are a JAX/Flax user, you can also change the default pipeline scheduler. 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