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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
ext	[ DIR ]	drwxr-xr-x
__init__.py	280 B	-rw-r--r--
_crc32c.cpython-312-x86_64-lin...	67.67 KB	-rwxr-xr-x
_crc32c.pyi	237 B	-rw-r--r--
_crc32hash.py	2.56 KB	-rw-r--r--
benchmark.py	1.3 KB	-rw-r--r--
py.typed	0 B	-rw-r--r--

Code Editor : benchmark.py

import argparse
import time
import typing

from ._crc32c import crc32c

DEFAULT_SIZE = 100 * 1024 * 1024
DEFAULT_ITERATIONS = 10

def run(size: int, iterations: int) -> typing.Tuple[float, int]:
    data = b" " * size
    start = time.monotonic()
    evaluations = 0
    while True:
        evaluations += iterations
        [crc32c(data) for _ in range(iterations)]
        duration = time.monotonic() - start
        if duration > 0:
            break
    return duration, evaluations

def main() -> None:

parser = argparse.ArgumentParser()
    parser.add_argument(
        "-s",
        "--size",
        type=int,
        help=f"Amount of bytes to checksum, defaults to {DEFAULT_SIZE}",
        default=DEFAULT_SIZE,
    )
    parser.add_argument(
        "-i",
        "--iterations",
        type=int,
        help=f"Number of times the checksum should we run over the data, defaults to {DEFAULT_ITERATIONS}",
        default=DEFAULT_ITERATIONS,
    )

options = parser.parse_args()
    duration, evaluations = run(options.size, options.iterations)
    size_mb = options.size / 1024 / 1024
    avg_speed_gbs = size_mb / 1024 * evaluations / duration
    print(
        f"crc32c ran at {avg_speed_gbs:.3f} [GB/s] when checksuming {size_mb:.3f} [MB] {evaluations} times"
    )

if __name__ == "__main__":
    main()

${this.title}

Code Editor : benchmark.py