DAS_2024_1/kurushina_ksenia_lab_5/parallel.py

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2024-12-09 19:55:48 +04:00
from concurrent.futures import ThreadPoolExecutor
def matrix_multiply_parallel(A, B, num_threads=1):
n = len(A)
result = [[0] * n for _ in range(n)]
def worker(start, end):
for i in range(start, end):
for j in range(n):
result[i][j] = sum(A[i][k] * B[k][j] for k in range(n))
chunk_size = n // num_threads
with ThreadPoolExecutor(max_workers=num_threads) as executor:
futures = [
executor.submit(worker, i * chunk_size, (i + 1) * chunk_size)
for i in range(num_threads)
]
for future in futures:
future.result()
return result