Last change
on this file since 790d835 was
b183717,
checked in by Andrew Beach <ajbeach@…>, 3 years ago
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Update another file in the exception benchmarks as well as some print formatting.
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-
Property mode set to
100755
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File size:
989 bytes
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Line | |
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1 | #!/usr/bin/env python3 |
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2 | |
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3 | # Throw Across With Statement (closest thing Python has to a destructor) |
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4 | |
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5 | from time import thread_time_ns |
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6 | |
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7 | |
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8 | class EmptyException(Exception): |
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9 | pass |
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10 | |
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11 | |
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12 | class EmptyContextManager: |
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13 | |
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14 | def __enter__(self): |
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15 | pass |
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16 | |
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17 | def __exit__(self, exception_type, exception_value, traceback): |
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18 | pass |
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19 | |
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20 | |
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21 | def unwind_with(frames): |
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22 | if 0 < frames: |
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23 | with EmptyContextManager(): |
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24 | unwind_with(frames - 1) |
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25 | else: |
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26 | raise EmptyException() |
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27 | |
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28 | |
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29 | def main(argv): |
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30 | times = 1 |
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31 | total_frames = 1 |
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32 | if 1 < len(argv): |
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33 | times = int(argv[1]) |
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34 | if 2 < len(argv): |
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35 | total_frames = int(argv[2]) |
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36 | |
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37 | start_time = thread_time_ns() |
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38 | for count in range(times): |
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39 | try: |
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40 | unwind_with(total_frames) |
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41 | except EmptyException: |
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42 | pass |
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43 | |
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44 | end_time = thread_time_ns() |
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45 | print('Run-Time (s): {:.1f}'.format((end_time - start_time) / 1_000_000_000.)) |
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46 | |
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47 | |
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48 | if '__main__' == __name__: |
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49 | import sys |
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50 | main(sys.argv) |
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