mirror of
https://github.com/google/benchmark.git
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12dc5eeafc
* Statistics: add support for percentage unit in addition to time I think, `stddev` statistic is useful, but confusing. What does it mean if `stddev` of `1ms` is reported? Is that good or bad? If the `median` is `1s`, then that means that the measurements are pretty noise-less. And what about `stddev` of `100ms` is reported? If the `median` is `1s` - awful, if the `median` is `10s` - good. And hurray, there is just the statistic that we need: https://en.wikipedia.org/wiki/Coefficient_of_variation But, naturally, that produces a value in percents, but the statistics are currently hardcoded to produce time. So this refactors thinkgs a bit, and allows a percentage unit for statistics. I'm not sure whether or not `benchmark` would be okay with adding this `RSD` statistic by default, but regales, that is a separate patch. Refs. https://github.com/google/benchmark/issues/1146 * Address review notes
215 lines
11 KiB
C++
215 lines
11 KiB
C++
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#include "benchmark/benchmark.h"
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#include "output_test.h"
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// ========================================================================= //
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// ------------------------ Testing Basic Output --------------------------- //
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// ========================================================================= //
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static void BM_ExplicitRepetitions(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_ExplicitRepetitions)->Repetitions(2);
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_ExplicitRepetitions/repeats:2 %console_report$"}});
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_ExplicitRepetitions/repeats:2 %console_report$"}});
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_ExplicitRepetitions/repeats:2_mean %console_report$"}});
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_ExplicitRepetitions/repeats:2_median %console_report$"}});
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_ExplicitRepetitions/repeats:2_stddev %console_report$"}});
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ADD_CASES(TC_JSONOut,
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{{"\"name\": \"BM_ExplicitRepetitions/repeats:2\",$"},
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{"\"family_index\": 0,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ExplicitRepetitions/repeats:2\",$", MR_Next},
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{"\"run_type\": \"iteration\",$", MR_Next},
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{"\"repetitions\": 2,$", MR_Next},
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{"\"repetition_index\": 0,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut,
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{{"\"name\": \"BM_ExplicitRepetitions/repeats:2\",$"},
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{"\"family_index\": 0,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ExplicitRepetitions/repeats:2\",$", MR_Next},
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{"\"run_type\": \"iteration\",$", MR_Next},
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{"\"repetitions\": 2,$", MR_Next},
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{"\"repetition_index\": 1,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut,
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{{"\"name\": \"BM_ExplicitRepetitions/repeats:2_mean\",$"},
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{"\"family_index\": 0,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ExplicitRepetitions/repeats:2\",$", MR_Next},
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{"\"run_type\": \"aggregate\",$", MR_Next},
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{"\"repetitions\": 2,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"aggregate_name\": \"mean\",$", MR_Next},
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{"\"aggregate_unit\": \"time\",$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut,
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{{"\"name\": \"BM_ExplicitRepetitions/repeats:2_median\",$"},
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{"\"family_index\": 0,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ExplicitRepetitions/repeats:2\",$", MR_Next},
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{"\"run_type\": \"aggregate\",$", MR_Next},
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{"\"repetitions\": 2,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"aggregate_name\": \"median\",$", MR_Next},
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{"\"aggregate_unit\": \"time\",$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut,
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{{"\"name\": \"BM_ExplicitRepetitions/repeats:2_stddev\",$"},
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{"\"family_index\": 0,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ExplicitRepetitions/repeats:2\",$", MR_Next},
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{"\"run_type\": \"aggregate\",$", MR_Next},
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{"\"repetitions\": 2,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"aggregate_name\": \"stddev\",$", MR_Next},
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{"\"aggregate_unit\": \"time\",$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_ExplicitRepetitions/repeats:2\",%csv_report$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_ExplicitRepetitions/repeats:2\",%csv_report$"}});
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ADD_CASES(TC_CSVOut,
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{{"^\"BM_ExplicitRepetitions/repeats:2_mean\",%csv_report$"}});
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ADD_CASES(TC_CSVOut,
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{{"^\"BM_ExplicitRepetitions/repeats:2_median\",%csv_report$"}});
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ADD_CASES(TC_CSVOut,
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{{"^\"BM_ExplicitRepetitions/repeats:2_stddev\",%csv_report$"}});
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// ========================================================================= //
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// ------------------------ Testing Basic Output --------------------------- //
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// ========================================================================= //
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static void BM_ImplicitRepetitions(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_ImplicitRepetitions);
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ADD_CASES(TC_ConsoleOut, {{"^BM_ImplicitRepetitions %console_report$"}});
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ADD_CASES(TC_ConsoleOut, {{"^BM_ImplicitRepetitions %console_report$"}});
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ADD_CASES(TC_ConsoleOut, {{"^BM_ImplicitRepetitions %console_report$"}});
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ADD_CASES(TC_ConsoleOut, {{"^BM_ImplicitRepetitions_mean %console_report$"}});
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ADD_CASES(TC_ConsoleOut, {{"^BM_ImplicitRepetitions_median %console_report$"}});
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ADD_CASES(TC_ConsoleOut, {{"^BM_ImplicitRepetitions_stddev %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_ImplicitRepetitions\",$"},
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{"\"family_index\": 1,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ImplicitRepetitions\",$", MR_Next},
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{"\"run_type\": \"iteration\",$", MR_Next},
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{"\"repetitions\": 3,$", MR_Next},
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{"\"repetition_index\": 0,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_ImplicitRepetitions\",$"},
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{"\"family_index\": 1,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ImplicitRepetitions\",$", MR_Next},
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{"\"run_type\": \"iteration\",$", MR_Next},
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{"\"repetitions\": 3,$", MR_Next},
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{"\"repetition_index\": 1,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_ImplicitRepetitions\",$"},
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{"\"family_index\": 1,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ImplicitRepetitions\",$", MR_Next},
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{"\"run_type\": \"iteration\",$", MR_Next},
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{"\"repetitions\": 3,$", MR_Next},
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{"\"repetition_index\": 2,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_ImplicitRepetitions_mean\",$"},
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{"\"family_index\": 1,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ImplicitRepetitions\",$", MR_Next},
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{"\"run_type\": \"aggregate\",$", MR_Next},
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{"\"repetitions\": 3,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"aggregate_name\": \"mean\",$", MR_Next},
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{"\"aggregate_unit\": \"time\",$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_ImplicitRepetitions_median\",$"},
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{"\"family_index\": 1,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ImplicitRepetitions\",$", MR_Next},
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{"\"run_type\": \"aggregate\",$", MR_Next},
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{"\"repetitions\": 3,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"aggregate_name\": \"median\",$", MR_Next},
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{"\"aggregate_unit\": \"time\",$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_ImplicitRepetitions_stddev\",$"},
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{"\"family_index\": 1,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_ImplicitRepetitions\",$", MR_Next},
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{"\"run_type\": \"aggregate\",$", MR_Next},
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{"\"repetitions\": 3,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"aggregate_name\": \"stddev\",$", MR_Next},
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{"\"aggregate_unit\": \"time\",$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_ImplicitRepetitions\",%csv_report$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_ImplicitRepetitions\",%csv_report$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_ImplicitRepetitions_mean\",%csv_report$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_ImplicitRepetitions_median\",%csv_report$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_ImplicitRepetitions_stddev\",%csv_report$"}});
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// ========================================================================= //
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// --------------------------- TEST CASES END ------------------------------ //
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// ========================================================================= //
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int main(int argc, char* argv[]) { RunOutputTests(argc, argv); }
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