35 lines
819 B
Python
35 lines
819 B
Python
#!/usr/bin/env python3
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"""
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sequential.py: baseline for comparing sequential, multiprocessing,
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and threading code for CPU-intensive work.
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"""
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from time import perf_counter
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from typing import NamedTuple
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from primes import is_prime, NUMBERS
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class Result(NamedTuple): # <1>
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prime: bool
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elapsed: float
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def check(n: int) -> Result: # <2>
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t0 = perf_counter()
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prime = is_prime(n)
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return Result(prime, perf_counter() - t0)
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def main() -> None:
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print(f'Checking {len(NUMBERS)} numbers sequentially:')
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t0 = perf_counter()
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for n in NUMBERS: # <3>
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prime, elapsed = check(n)
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label = 'P' if prime else ' '
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print(f'{n:16} {label} {elapsed:9.6f}s')
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elapsed = perf_counter() - t0 # <4>
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print(f'Total time: {elapsed:.2f}s')
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if __name__ == '__main__':
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main()
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