19 lines
357 B
19 lines
357 B
"""
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Timer context manager, only used in debug.
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"""
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from time import time
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import contextlib
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@contextlib.contextmanager
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def timer(subject: str = "time"):
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"""print the elapsed time. (only used in debugging)"""
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start = time()
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yield
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elapsed = time() - start
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elapsed_ms = elapsed * 1000
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print(f"{subject} elapsed {elapsed_ms:.1f}ms")
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