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run_parallel.py
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executable file
·43 lines (38 loc) · 1.27 KB
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#!/usr/bin/env PYTHONHASHSEED=1234 python3
# Copyright 2014-2024 Brett Slatkin, Pearson Education Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import my_module
from concurrent.futures import ProcessPoolExecutor
import time
NUMBERS = [
(19633090, 22659730),
(20306770, 38141720),
(15516450, 22296200),
(20390450, 20208020),
(18237120, 19249280),
(22931290, 10204910),
(12812380, 22737820),
(38238120, 42372810),
(38127410, 47291390),
(12923910, 21238110),
]
def main():
start = time.perf_counter()
pool = ProcessPoolExecutor(max_workers=8) # The one change
results = list(pool.map(my_module.gcd, NUMBERS))
end = time.perf_counter()
delta = end - start
print(f"Took {delta:.3f} seconds")
if __name__ == "__main__":
main()