Created
February 18, 2021 00:46
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# this file extracts the predictions of several existing summarization systems for XSUM dataset | |
import json | |
from datasets import load_dataset | |
from tqdm import tqdm | |
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM | |
dataset = load_dataset('xsum') | |
total_len = len(dataset['test']) | |
batch_size = 16 | |
device = 'cuda' | |
for modeln in ["google/pegasus-xsum", "facebook/bart-large-xsum"]: | |
tokenizer = AutoTokenizer.from_pretrained(modeln) | |
model = AutoModelForSeq2SeqLM.from_pretrained(modeln).to(device) | |
out_map = {} | |
for i in tqdm(range(0, int(total_len / batch_size) + 1)): | |
start = i * batch_size | |
end = (i + 1) * batch_size | |
batch_x = dataset['test'][start:end] | |
summaries = batch_x['summary'] | |
ids = batch_x['id'] | |
batch = tokenizer.prepare_seq2seq_batch(summaries, truncation=True, padding='longest', return_tensors='pt').to( | |
device) | |
translated = model.generate(**batch) | |
tgt_text = tokenizer.batch_decode(translated, skip_special_tokens=True) | |
for id, txt in zip(ids, tgt_text): | |
out_map[id] = txt | |
modeln = modeln.replace("/", "_").replace("-", "_") | |
outfile = open(f"{modeln}.json", "w") | |
outfile.write(json.dumps(out_map, sort_keys=True, indent=4)) |
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