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Simulate an approximation of PI value using Python
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import numpy as np | |
import multiprocessing as mp | |
import random | |
import math | |
threads = mp.cpu_count() | |
points = 100_000_000 | |
def simulate_pi(points): | |
radius = 1 | |
points_inside = 0 | |
for i in range(points): | |
x = random.uniform(-radius, radius) | |
y = random.uniform(-radius, radius) | |
if math.sqrt(x*x + y*y) < radius: | |
points_inside += 1 | |
return 4*points_inside/points | |
pool = mp.Pool(mp.cpu_count()) | |
results = pool.map(simulate_pi, [round(points/threads) for i in range(threads)]) | |
pool.close() | |
print(np.mean(results)) |
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