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import numpy as np
import torch
def set_seed(seed):
np.random.seed(seed)
torch.random.manual_seed(seed)
def get_wikitext2(nsamples, seed, seqlen, model):
from datasets import load_dataset
traindata = load_dataset('wikitext', 'wikitext-2-raw-v1', split='train')
testdata = load_dataset('wikitext', 'wikitext-2-raw-v1', split='test')
from transformers import AutoTokenizer
try:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=False)
except:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=True)
trainenc = tokenizer("\n\n".join(traindata['text']), return_tensors='pt')
testenc = tokenizer("\n\n".join(testdata['text']), return_tensors='pt')
import random
random.seed(seed)
trainloader = []
for _ in range(nsamples):
i = random.randint(0, trainenc.input_ids.shape[1] - seqlen - 1)
j = i + seqlen
inp = trainenc.input_ids[:, i:j]
tar = inp.clone()
tar[:, :-1] = -100
trainloader.append((inp, tar))
return trainloader, testenc
def get_ptb(nsamples, seed, seqlen, model):
from datasets import load_dataset
traindata = load_dataset('ptb_text_only', 'penn_treebank', split='train')
valdata = load_dataset('ptb_text_only', 'penn_treebank', split='validation')
from transformers import AutoTokenizer
try:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=False)
except:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=True)
trainenc = tokenizer("\n\n".join(traindata['sentence']), return_tensors='pt')
testenc = tokenizer("\n\n".join(valdata['sentence']), return_tensors='pt')
import random
random.seed(seed)
trainloader = []
for _ in range(nsamples):
i = random.randint(0, trainenc.input_ids.shape[1] - seqlen - 1)
j = i + seqlen
inp = trainenc.input_ids[:, i:j]
tar = inp.clone()
tar[:, :-1] = -100
trainloader.append((inp, tar))
return trainloader, testenc
def get_c4(nsamples, seed, seqlen, model):
from datasets import load_dataset
traindata = load_dataset('allenai/c4', 'allenai--c4', data_files={'train': 'en/c4-train.00000-of-01024.json.gz'}, split='train', use_auth_token=False)
valdata = load_dataset('allenai/c4', 'allenai--c4', data_files={'validation': 'en/c4-validation.00000-of-00008.json.gz'}, split='validation', use_auth_token=False)
from transformers import AutoTokenizer
try:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=False)
except:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=True)
import random
random.seed(seed)
trainloader = []
for _ in range(nsamples):
while True:
i = random.randint(0, len(traindata) - 1)
trainenc = tokenizer(traindata[i]['text'], return_tensors='pt')
if trainenc.input_ids.shape[1] >= seqlen:
break
i = random.randint(0, trainenc.input_ids.shape[1] - seqlen - 1)
j = i + seqlen
inp = trainenc.input_ids[:, i:j]
tar = inp.clone()
tar[:, :-1] = -100
trainloader.append((inp, tar))
import random
random.seed(0)
valenc = []
for _ in range(256):
while True:
i = random.randint(0, len(valdata) - 1)
tmp = tokenizer(valdata[i]['text'], return_tensors='pt')
if tmp.input_ids.shape[1] >= seqlen:
break
i = random.randint(0, tmp.input_ids.shape[1] - seqlen - 1)
j = i + seqlen
valenc.append(tmp.input_ids[:, i:j])
valenc = torch.hstack(valenc)
class TokenizerWrapper:
def __init__(self, input_ids):
self.input_ids = input_ids
valenc = TokenizerWrapper(valenc)
return trainloader, valenc
def get_ptb_new(nsamples, seed, seqlen, model):
from datasets import load_dataset
traindata = load_dataset('ptb_text_only', 'penn_treebank', split='train')
testdata = load_dataset('ptb_text_only', 'penn_treebank', split='test')
from transformers import AutoTokenizer
try:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=False)
except:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=True)
trainenc = tokenizer(" ".join(traindata['sentence']), return_tensors='pt')
testenc = tokenizer(" ".join(testdata['sentence']), return_tensors='pt')
import random
random.seed(seed)
trainloader = []
for _ in range(nsamples):
i = random.randint(0, trainenc.input_ids.shape[1] - seqlen - 1)
j = i + seqlen
inp = trainenc.input_ids[:, i:j]
tar = inp.clone()
tar[:, :-1] = -100
trainloader.append((inp, tar))
return trainloader, testenc
def get_c4_new(nsamples, seed, seqlen, model):
from datasets import load_dataset
traindata = load_dataset('allenai/c4', 'allenai--c4', data_files={'train': 'en/c4-train.00000-of-01024.json.gz'}, split='train')
valdata = load_dataset('allenai/c4', 'allenai--c4', data_files={'validation': 'en/c4-validation.00000-of-00008.json.gz'}, split='validation')
from transformers import AutoTokenizer
try:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=False)
except:
tokenizer = AutoTokenizer.from_pretrained(model, use_fast=True)
import random
random.seed(seed)
trainloader = []
for _ in range(nsamples):
while True:
i = random.randint(0, len(traindata) - 1)
trainenc = tokenizer(traindata[i]['text'], return_tensors='pt')
if trainenc.input_ids.shape[1] >= seqlen:
break
i = random.randint(0, trainenc.input_ids.shape[1] - seqlen - 1)
j = i + seqlen
inp = trainenc.input_ids[:, i:j]
tar = inp.clone()
tar[:, :-1] = -100
trainloader.append((inp, tar))
valenc = tokenizer(' '.join(valdata[:1100]['text']), return_tensors='pt')
valenc = valenc.input_ids[:, :(256 * seqlen)]
class TokenizerWrapper:
def __init__(self, input_ids):
self.input_ids = input_ids
valenc = TokenizerWrapper(valenc)
return trainloader, valenc
def get_loaders(name, nsamples=128, seed=0, seqlen=2048, model=''):
if 'wikitext2' in name:
return get_wikitext2(nsamples, seed, seqlen, model)
if 'ptb' in name:
if 'new' in name:
return get_ptb_new(nsamples, seed, seqlen, model)
return get_ptb(nsamples, seed, seqlen, model)
if 'c4' in name:
if 'new' in name:
return get_c4_new(nsamples, seed, seqlen, model)
return get_c4(nsamples, seed, seqlen, model)
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