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107 lines
3.8 KiB
107 lines
3.8 KiB
#!/usr/bin/env python3 |
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# |
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# This file is part of Magnum. |
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# |
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# Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
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# Vladimír Vondruš <mosra@centrum.cz> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a |
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# copy of this software and associated documentation files (the "Software"), |
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# to deal in the Software without restriction, including without limitation |
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# the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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# and/or sell copies of the Software, and to permit persons to whom the |
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# Software is furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included |
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# in all copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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# DEALINGS IN THE SOFTWARE. |
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# |
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# Avoid this being run implicitly during unit tests |
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if __name__ != '__main__': exit() |
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import timeit |
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import array |
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from magnum import * |
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import numpy as np |
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repeats = 100000 |
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def timethat(expr: str, *, setup:str = 'pass', title=None): |
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if not title: |
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if setup != 'pass': title = f'{setup}; {expr}' |
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else: title = expr |
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print('{:67} {:8.5f} µs'.format(title, timeit.timeit(expr, number=repeats, globals=globals(), setup=setup)*1000000.0/repeats)) |
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def timethat_exception(expr: str): |
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return timethat(f""" |
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try: |
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{expr} |
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except: |
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pass |
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""", title=f'{expr} # throws') |
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print(" plain list expressions:\n") |
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timethat('[]') |
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timethat('list([])') |
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timethat('[1.0, 2.0, 3.0]') |
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timethat('list([1.0, 2.0, 3.0])') |
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print("\n Vector3 from/to list:\n") |
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timethat('Vector3()') |
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timethat('Vector3(1.0, 2.0, 3.0)') |
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timethat('Vector3([1.0, 2.0, 3.0])') |
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timethat('list(a)', setup='a = Vector3(1.0, 2.0, 3.0)') |
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timethat('[a.x, a.y, a.z]', setup='a = Vector3(1.0, 2.0, 3.0)') |
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print("\n Vector3 from/to builtin array:\n") |
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timethat('array.array("f", [])') |
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timethat('array.array("f", [1.0, 2.0, 3.0])') |
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timethat('memoryview(a)', setup='a = array.array("f", [1.0, 2.0, 3.0])') |
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timethat('memoryview(a)', setup='a = Vector3(1.0, 2.0, 3.0)') |
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timethat('Vector3(a)', setup='a = array.array("f", [1.0, 2.0, 3.0])') |
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print("\n Vector3 from/to np.array:\n") |
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timethat('np.array([])') |
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timethat('np.array([1.0, 2.0, 3.0])') |
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timethat('np.array(a)', setup='a = array.array("f", [1.0, 2.0, 3.0])') |
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timethat('np.array(a)', setup='a = Vector3(1.0, 2.0, 3.0)') |
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timethat('Vector3(a)', setup='a = np.array([1.0, 2.0, 3.0])') |
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print("\n Matrix3 from/to list, equivalent np.array operations:\n") |
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timethat('Matrix3()') |
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timethat('Matrix3.from_diagonal(Vector3(1.0, 2.0, 3.0))') |
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timethat('Matrix3.from_diagonal([1.0, 2.0, 3.0])') |
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timethat('list(Matrix3.from_diagonal(Vector3(1.0, 2.0, 3.0)))') |
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timethat('np.diagflat([1.0, 2.0, 3.0])') |
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timethat('np.array(Matrix3.from_diagonal(Vector3(1.0, 2.0, 3.0)))') |
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print("\n exception throwing:\n") |
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timethat('Vector3()[0] # doesn\'t throw') |
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timethat_exception('Vector3()[3]') |
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timethat_exception('raise IndexError()') |
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print("\n basic operations:\n") |
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timethat('a + a', setup='a = Vector4d(1.0, 2.0, 3.0, 4.0)') |
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timethat('a + a', setup='a = np.array([1.0, 2.0, 3.0, 4.0])') |
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timethat('a.dot()', setup='a = Vector4d(1.0, 2.0, 3.0, 4.0)') |
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timethat('np.dot(a, a)', setup='a = np.array([1.0, 2.0, 3.0, 4.0])') |
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timethat('a@a', setup='a = Matrix4d.from_diagonal([1.0, 2.0, 3.0, 4.0])') |
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timethat('a@a', setup='a = np.diagflat([1.0, 2.0, 3.0, 4.0])')
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