Object returned by the timeit magic with info about the run. Contains the following attributes: loops: int number of loops done per measurement repeat: int number of times the measurement was repeated best: float best execution time / number all_runs :
| 71 | |
| 72 | |
| 73 | class TimeitResult: |
| 74 | """ |
| 75 | Object returned by the timeit magic with info about the run. |
| 76 | |
| 77 | Contains the following attributes: |
| 78 | |
| 79 | loops: int |
| 80 | number of loops done per measurement |
| 81 | |
| 82 | repeat: int |
| 83 | number of times the measurement was repeated |
| 84 | |
| 85 | best: float |
| 86 | best execution time / number |
| 87 | |
| 88 | all_runs : list[float] |
| 89 | execution time of each run (in s) |
| 90 | |
| 91 | compile_time: float |
| 92 | time of statement compilation (s) |
| 93 | |
| 94 | """ |
| 95 | def __init__(self, loops, repeat, best, worst, all_runs, compile_time, precision): |
| 96 | self.loops = loops |
| 97 | self.repeat = repeat |
| 98 | self.best = best |
| 99 | self.worst = worst |
| 100 | self.all_runs = all_runs |
| 101 | self.compile_time = compile_time |
| 102 | self._precision = precision |
| 103 | self.timings = [dt / self.loops for dt in all_runs] |
| 104 | |
| 105 | @property |
| 106 | def average(self): |
| 107 | return math.fsum(self.timings) / len(self.timings) |
| 108 | |
| 109 | @property |
| 110 | def stdev(self): |
| 111 | mean = self.average |
| 112 | return (math.fsum([(x - mean) ** 2 for x in self.timings]) / len(self.timings)) ** 0.5 |
| 113 | |
| 114 | def __str__(self): |
| 115 | pm = '+-' |
| 116 | if hasattr(sys.stdout, 'encoding') and sys.stdout.encoding: |
| 117 | try: |
| 118 | "\xb1".encode(sys.stdout.encoding) |
| 119 | pm = "\xb1" |
| 120 | except: |
| 121 | pass |
| 122 | return "{mean} {pm} {std} per loop (mean {pm} std. dev. of {runs} run{run_plural}, {loops:,} loop{loop_plural} each)".format( |
| 123 | pm=pm, |
| 124 | runs=self.repeat, |
| 125 | loops=self.loops, |
| 126 | loop_plural="" if self.loops == 1 else "s", |
| 127 | run_plural="" if self.repeat == 1 else "s", |
| 128 | mean=_format_time(self.average, self._precision), |
| 129 | std=_format_time(self.stdev, self._precision), |
| 130 | ) |
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