import{S as Mt,i as Ut,s as Dt,e as o,k as h,w as f,t as c,M as It,c as l,d as a,m as d,a as s,x as u,h as p,b as i,G as t,g as n,y as m,L as Wt,q as v,o as _,B as g,v as Bt}from"../chunks/vendor-hf-doc-builder.js";import{I as ce}from"../chunks/IconCopyLink-hf-doc-builder.js";import{C as D}from"../chunks/CodeBlock-hf-doc-builder.js";function Lt(rt){let b,qe,y,T,_e,I,va,ge,_a,Ne,S,ga,W,wa,$a,Ce,k,x,we,B,ba,$e,ya,He,pe,ka,Fe,L,Ge,w,Aa,O,Ea,ja,Y,Pa,za,Me,J,Ue,A,q,be,R,Ta,ye,Sa,De,N,xa,K,qa,Na,Ie,Q,We,E,C,ke,V,Ca,Ae,Ha,Be,$,Fa,Ee,Ga,Ma,X,Ua,Da,Le,Z,Oe,he,Ia,Ye,ee,Je,j,H,je,ae,Wa,Pe,Ba,Re,de,La,Ke,P,F,ze,te,Oa,Te,Ya,Qe,fe,Ja,Ve,re,Xe,ue,Ra,Ze,oe,ea,z,G,Se,le,Ka,xe,Qa,aa,M,Va,se,Xa,Za,ta,ie,ra,U,et,ne,at,tt,oa;return I=new ce({}),B=new ce({}),L=new D({props:{code:"pip install accelerate",highlighted:"pip install accelerate"}}),J=new D({props:{code:`from accelerate import Accelerator

accelerator = Accelerator()`,highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> accelerate <span class="hljs-keyword">import</span> Accelerator

<span class="hljs-meta">&gt;&gt;&gt; </span>accelerator = Accelerator()`}}),R=new ce({}),Q=new D({props:{code:`train_dataloader, eval_dataloader, model, optimizer = accelerator.prepare(
    train_dataloader, eval_dataloader, model, optimizer
)`,highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span>train_dataloader, eval_dataloader, model, optimizer = accelerator.prepare(
<span class="hljs-meta">... </span>    train_dataloader, eval_dataloader, model, optimizer
<span class="hljs-meta">... </span>)`}}),V=new ce({}),Z=new D({props:{code:`for epoch in range(num_epochs):
    for batch in train_dataloader:
        outputs = model(**batch)
        loss = outputs.loss
        accelerator.backward(loss)

        optimizer.step()
        lr_scheduler.step()
        optimizer.zero_grad()
        progress_bar.update(1)`,highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">for</span> epoch <span class="hljs-keyword">in</span> <span class="hljs-built_in">range</span>(num_epochs):
<span class="hljs-meta">... </span>    <span class="hljs-keyword">for</span> batch <span class="hljs-keyword">in</span> train_dataloader:
<span class="hljs-meta">... </span>        outputs = model(**batch)
<span class="hljs-meta">... </span>        loss = outputs.loss
<span class="hljs-meta">... </span>        accelerator.backward(loss)

<span class="hljs-meta">... </span>        optimizer.step()
<span class="hljs-meta">... </span>        lr_scheduler.step()
<span class="hljs-meta">... </span>        optimizer.zero_grad()
<span class="hljs-meta">... </span>        progress_bar.update(<span class="hljs-number">1</span>)`}}),ee=new D({props:{code:`+ from accelerate import Accelerator
  from transformers import AdamW, AutoModelForSequenceClassification, get_scheduler

+ accelerator = Accelerator()

  model = AutoModelForSequenceClassification.from_pretrained(checkpoint, num_labels=2)
  optimizer = AdamW(model.parameters(), lr=3e-5)

- device = torch.device("cuda") if torch.cuda.is_available() else torch.device("cpu")
- model.to(device)

+ train_dataloader, eval_dataloader, model, optimizer = accelerator.prepare(
+     train_dataloader, eval_dataloader, model, optimizer
+ )

  num_epochs = 3
  num_training_steps = num_epochs * len(train_dataloader)
  lr_scheduler = get_scheduler(
      "linear",
      optimizer=optimizer,
      num_warmup_steps=0,
      num_training_steps=num_training_steps
  )

  progress_bar = tqdm(range(num_training_steps))

  model.train()
  for epoch in range(num_epochs):
      for batch in train_dataloader:
-         batch = {k: v.to(device) for k, v in batch.items()}
          outputs = model(**batch)
          loss = outputs.loss
-         loss.backward()
+         accelerator.backward(loss)

          optimizer.step()
          lr_scheduler.step()
          optimizer.zero_grad()
          progress_bar.update(1)`,highlighted:`<span class="hljs-addition">+ from accelerate import Accelerator</span>
  from transformers import AdamW, AutoModelForSequenceClassification, get_scheduler

<span class="hljs-addition">+ accelerator = Accelerator()</span>

  model = AutoModelForSequenceClassification.from_pretrained(checkpoint, num_labels=2)
  optimizer = AdamW(model.parameters(), lr=3e-5)

<span class="hljs-deletion">- device = torch.device(&quot;cuda&quot;) if torch.cuda.is_available() else torch.device(&quot;cpu&quot;)</span>
<span class="hljs-deletion">- model.to(device)</span>

<span class="hljs-addition">+ train_dataloader, eval_dataloader, model, optimizer = accelerator.prepare(</span>
<span class="hljs-addition">+     train_dataloader, eval_dataloader, model, optimizer</span>
<span class="hljs-addition">+ )</span>

  num_epochs = 3
  num_training_steps = num_epochs * len(train_dataloader)
  lr_scheduler = get_scheduler(
      &quot;linear&quot;,
      optimizer=optimizer,
      num_warmup_steps=0,
      num_training_steps=num_training_steps
  )

  progress_bar = tqdm(range(num_training_steps))

  model.train()
  for epoch in range(num_epochs):
      for batch in train_dataloader:
<span class="hljs-deletion">-         batch = {k: v.to(device) for k, v in batch.items()}</span>
          outputs = model(**batch)
          loss = outputs.loss
<span class="hljs-deletion">-         loss.backward()</span>
<span class="hljs-addition">+         accelerator.backward(loss)</span>

          optimizer.step()
          lr_scheduler.step()
          optimizer.zero_grad()
          progress_bar.update(1)`}}),ae=new ce({}),te=new ce({}),re=new D({props:{code:"accelerate config",highlighted:"accelerate config"}}),oe=new D({props:{code:"accelerate launch train.py",highlighted:"accelerate launch train.py"}}),le=new ce({}),ie=new D({props:{code:`from accelerate import notebook_launcher

notebook_launcher(training_function)`,highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> accelerate <span class="hljs-keyword">import</span> notebook_launcher

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