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altescy/numpy_float_test.py

Last active January 31, 2023 04:59
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numpy_float_test.py
import time
import numpy
def main() -> None:
N = 1_000_000
print("[ float x float ]")
xs = [float(v) for v in range(N)]
ys = [float(v) for v in range(N)]
start = time.time()
for x, y in zip(xs, ys):
_ = x * y
end = time.time()
print(f"{N / (end - start):.5f} multiply/sec")
print()
print("[ numpy.float64 x numpy.float64 ]")
xs = [numpy.float64(v) for v in range(N)]
ys = [numpy.float64(v) for v in range(N)]
start = time.time()
for x, y in zip(xs, ys):
_ = x * y
end = time.time()
print(f"{N / (end - start):.5f} multiply/sec")
print()
print("[ float x numpy.float64 ]")
xs = [float(v) for v in range(N)]
ys = [numpy.float64(v) for v in range(N)]
start = time.time()
for x, y in zip(xs, ys):
_ = x * y
end = time.time()
print(f"{N / (end - start):.5f} multiply/sec")
print()
print("[ numpy.float32 x numpy.float32 ]")
xs = [numpy.float32(v) for v in range(N)]
ys = [numpy.float32(v) for v in range(N)]
start = time.time()
for x, y in zip(xs, ys):
_ = x * y
end = time.time()
print(f"{N / (end - start):.5f} multiply/sec")
print()
print("[ float x numpy.float32 ]")
xs = [float(v) for v in range(N)]
ys = [numpy.float32(v) for v in range(N)]
start = time.time()
for x, y in zip(xs, ys):
_ = x * y
end = time.time()
print(f"{N / (end - start):.5f} multiply/sec")
print()
if __name__ == "__main__":
main()
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altescy commented Jan 31, 2023 •
edited
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スクリーンショット 2023-01-31 13 58 29

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