wehub-resource-sync
65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
import matplotlib.pyplot as plt
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import numpy as np
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from collections import defaultdict
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import json
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import torch
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import argparse
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import random
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from transformers import AutoTokenizer
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from tqdm import tqdm
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import sys
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sys.set_int_max_str_digits(0)
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def plot_histogram(data, bins=10, x_label="Value", y_label="Frequency", title="Histogram", output_file="histogram.png"):
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plt.hist(data, bins=bins, edgecolor='black', alpha=0.7)
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plt.xlabel(x_label)
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plt.ylabel(y_label)
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plt.title(title)
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plt.grid(True)
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# plt.show()
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plt.savefig(output_file)
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("--input_file", type=str, required=True)
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parser.add_argument("--tokenizer", type=str)
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parser.add_argument("--sample", type=int, default=-1)
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parser.add_argument("--output_file", type=str, default="histogram.png")
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args = parser.parse_args()
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tokenizer = AutoTokenizer.from_pretrained(args.tokenizer)
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data = json.load(open(args.input_file))
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if args.sample > 0:
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data = random.sample(data, args.sample)
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pos_data = []
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neg_data = []
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for item in data:
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# if not item["pos_code"] or not item["neg_code"]:
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# continue
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# pos_data.append(item["pos_code"][0])
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# neg_data.append(item["neg_code"][0])
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if not item["pos"] or not item["neg"]:
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continue
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pos_data.append(item["pos"][0])
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neg_data.append(item["neg"][0])
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res = tokenizer(pos_data + neg_data, padding=False)
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half = len(pos_data)
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pos_lengths = [len(res["input_ids"][i]) for i in range(half)]
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neg_lengths = [len(res["input_ids"][i]) for i in range(half, len(res["input_ids"]))]
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diffs = [pos_lengths[i] - neg_lengths[i] for i in range(half)]
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# plot_histogram(pos_lengths, bins=20, x_label="Length", y_label="Frequency", title="Positive Length Distribution", output_file="pos_histogram.png")
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# plot_histogram(neg_lengths, bins=20, x_label="Length", y_label="Frequency", title="Negative Length Distribution", output_file="neg_histogram.png")
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plot_histogram(diffs, bins=20, x_label="Difference", y_label="Frequency", title="Difference Length Distribution", output_file="diff_histogram.png")
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if __name__ == "__main__":
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main()
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