forked from p46318075/CodePattern
parent
028c7ddb07
commit
2288c18e8a
@ -1,54 +0,0 @@
|
|||||||
import threading
|
|
||||||
from collections import Counter
|
|
||||||
from cppy.cp_util import *
|
|
||||||
|
|
||||||
#
|
|
||||||
# 多线程
|
|
||||||
#
|
|
||||||
def process_chunk(start, end, text, result_index, results):
|
|
||||||
# 切词并过滤停用词
|
|
||||||
words = extract_str_words( text[start:end] )
|
|
||||||
results[result_index] = Counter(words)
|
|
||||||
|
|
||||||
def merge_counts(counts_list):
|
|
||||||
# 合并多个Counter对象
|
|
||||||
total_counts = Counter()
|
|
||||||
for counts in counts_list:
|
|
||||||
total_counts += counts
|
|
||||||
return total_counts
|
|
||||||
|
|
||||||
@timing_decorator
|
|
||||||
def main():
|
|
||||||
# 读取文件内容
|
|
||||||
text = read_file(testfilepath)
|
|
||||||
|
|
||||||
# 确定线程数量
|
|
||||||
num_threads = 4
|
|
||||||
text_length = len(text)
|
|
||||||
chunk_size = text_length // num_threads
|
|
||||||
|
|
||||||
# 存储每个线程的结果
|
|
||||||
results = [None] * num_threads
|
|
||||||
threads = []
|
|
||||||
|
|
||||||
# 创建并启动线程
|
|
||||||
for i in range(num_threads):
|
|
||||||
start = i * chunk_size
|
|
||||||
# 确保最后一个线程能够读取文件的末尾
|
|
||||||
end = text_length if i == num_threads - 1 else (i + 1) * chunk_size
|
|
||||||
t = threading.Thread(target=process_chunk, args=(start, end, text, i, results))
|
|
||||||
threads.append(t)
|
|
||||||
t.start()
|
|
||||||
|
|
||||||
# 等待所有线程完成
|
|
||||||
for t in threads: t.join()
|
|
||||||
|
|
||||||
# 合并计数
|
|
||||||
total_counts = merge_counts(results)
|
|
||||||
|
|
||||||
# 输出最高频的n个词
|
|
||||||
print_word_freqs( total_counts.most_common(10) )
|
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
main()
|
|
Loading…
Reference in new issue