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Concurrency & performance

asyncio, threading, multiprocessing, and profiling-friendly performance patterns.

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Concurrency & performance medium

How to Use ProcessPoolExecutor for CPU Parallel Map in Python

Run a function over a sequence of inputs in parallel across multiple CPU cores with ProcessPoolExecutor.map.

concurrency processpoolexecutor parallelism
Python
from concurrent.futures import ProcessPoolExecutor
import math

def compute_square(num):
    return num * num

def is_prime(n):
    if n < 2:
        return False
    for i in range(2, int(math.sqrt(n)) + 1):
        if n % i == 0:
            return False
    return True

if __name__ == "__main__":
    numbers = rang…
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