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from argparse import ArgumentParser
from benchmark.utils import Timer
from tokenizers import Tokenizer as hf_tokenizer_lib
from torchtext.datasets import EnWik9
from torchtext.transforms import BERTTokenizer as tt_bert_tokenizer
from transformers import BertTokenizer as hf_bert_tokenizer_slow
VOCAB_FILE = "https://huggingface.co/bert-base-uncased/resolve/main/vocab.txt"
def benchmark_bert_tokenizer(args):
tt_tokenizer = tt_bert_tokenizer(VOCAB_FILE, return_tokens=True)
hf_tokenizer_slow = hf_bert_tokenizer_slow.from_pretrained("bert-base-uncased")
hf_tokenizer_fast = hf_tokenizer_lib.from_pretrained("bert-base-uncased")
dp = EnWik9().header(args.num_samples).batch(args.batch_size)
samples = list(dp)
with Timer("Running TorchText BERT Tokenizer on non-batched input"):
for batch in samples:
for s in batch:
tt_tokenizer(s)
with Timer("Running HF BERT Tokenizer (slow) on non-batched input"):
for batch in samples:
for s in batch:
hf_tokenizer_slow.tokenize(s)
with Timer("Running HF BERT Tokenizer (fast) on non-batched input"):
for batch in samples:
for s in batch:
hf_tokenizer_fast.encode(s)
with Timer("Running TorchText BERT Tokenizer on batched input"):
for batch in samples:
tt_tokenizer(batch)
with Timer("Running HF BERT Tokenizer (fast) on batched input"):
for batch in samples:
hf_tokenizer_fast.encode_batch(batch)
if __name__ == "__main__":
parser = ArgumentParser()
parser.add_argument("--num-samples", default=10000, type=int)
parser.add_argument("--batch-size", default=100, type=int)
benchmark_bert_tokenizer(parser.parse_args())
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