py_ad_3_6.py

"""
Section 3
Concurrency, CPU Bound vs I/O Bound - CPU Bound(1) - Synchronous

Keyword - CPU Bound

"""
# CPU-Bound 예제(https://realpython.com/python-concurrency/#synchronous-version)

import time

# 실행함수1(계산)
def cpu_bound(number):
    return sum(i * i for i in range(number))

# 실행함수2
def find_sums(numbers):
    result = []
    for number in numbers:
        result.append(cpu_bound(number))

    return result

def main():
    numbers = [3_000_000 + x for x in range(30)]

    # 확인
    # print(numbers)
   
    # 실행시간 측정
    start_time = time.time()

    # 실행
    total = find_sums(numbers)

    print()
    
    # 결과 출력
    print(f"Total list : {total}")
    print(f"Sum : {sum(total)}")

    # 실행 시간 종료
    duration = time.time() - start_time

    print()

    # 수행 시간
    print(f"Duration : {duration} seconds")

if __name__ == "__main__":
    main()