37 lines
929 B
Python
37 lines
929 B
Python
"""vast_c vs 纯 Python vast 对照基准（VAST_USE_C 开关）"""
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import os
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import sys
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import time
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sys.path.insert(0, r'd:\Users\TermiNexus\Desktop\TransPyC')
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sys.path.insert(0, r'd:\Users\TermiNexus\Desktop\TransPyC\lib')
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import vast
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Parts = []
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for I in range(50):
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Parts.append(f'def F{I}(A: int, B: float = 1.5) -> str:')
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Parts.append(' X = A + B * 2')
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Parts.append(' if X > 10:')
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Parts.append(' return "big"')
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Parts.append(' return "small"')
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Src = '\n'.join(Parts)
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N = 30
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os.environ['VAST_USE_C'] = '0'
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T0 = time.perf_counter()
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for _ in range(N):
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vast.parse(Src)
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T1 = time.perf_counter()
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os.environ['VAST_USE_C'] = 'strict'
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for _ in range(N):
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vast.parse(Src)
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T2 = time.perf_counter()
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PyMs = (T1 - T0) / N * 1000
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CMs = (T2 - T1) / N * 1000
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print(f'纯Python vast : {PyMs:.3f} ms/次')
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print(f'vast_c : {CMs:.3f} ms/次')
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print(f'加速比 : {PyMs / CMs:.1f}x')
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