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benchmark_repetitions now work

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This commit is contained in:
Dominic Hamon 2013-12-20 14:38:15 -08:00
parent 3a6f24c67b
commit 902fb91226
1 changed files with 6 additions and 7 deletions
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13
src/benchmark.cc
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@ -269,8 +269,9 @@ void ComputeStats(const std::vector<BenchmarkRunData>& reports,
// Accumulators.
Stat1_d real_accumulated_time_stat;
Stat1_d cpu_accumulated_time_stat;
Stat1_d bytes_per_second_stat;
Stat1_d items_per_second_stat;
Stat1_d bytes_per_second_stat;
Stat1_d iterations_stat;
Stat1MinMax_d max_heapbytes_used_stat;
int total_iters = 0;
@ -278,20 +279,20 @@ void ComputeStats(const std::vector<BenchmarkRunData>& reports,
for (std::vector<BenchmarkRunData>::const_iterator it = reports.begin();
it != reports.end(); ++it) {
CHECK_EQ(reports[0].benchmark_name, it->benchmark_name);
total_iters += it->iterations;
real_accumulated_time_stat +=
Stat1_d(it->real_accumulated_time/it->iterations, it->iterations);
cpu_accumulated_time_stat +=
Stat1_d(it->cpu_accumulated_time/it->iterations, it->iterations);
items_per_second_stat += Stat1_d(it->items_per_second, it->iterations);
bytes_per_second_stat += Stat1_d(it->bytes_per_second, it->iterations);
iterations_stat += Stat1_d(it->iterations, it->iterations);
max_heapbytes_used_stat += Stat1MinMax_d(it->max_heapbytes_used,
it->iterations);
}
// Get the data from the accumulator to BenchmarkRunData's.
mean_data->benchmark_name = reports[0].benchmark_name + "_mean";
mean_data->iterations = total_iters;
mean_data->iterations = iterations_stat.Mean();
mean_data->real_accumulated_time = real_accumulated_time_stat.Sum();
mean_data->cpu_accumulated_time = cpu_accumulated_time_stat.Sum();
mean_data->bytes_per_second = bytes_per_second_stat.Mean();
@ -309,7 +310,7 @@ void ComputeStats(const std::vector<BenchmarkRunData>& reports,
stddev_data->benchmark_name = reports[0].benchmark_name + "_stddev";
stddev_data->report_label = mean_data->report_label;
stddev_data->iterations = total_iters;
stddev_data->iterations = iterations_stat.StdDev();
// We multiply by total_iters since PrintRunData expects a total time.
stddev_data->real_accumulated_time =
real_accumulated_time_stat.StdDev() * total_iters;
@ -426,7 +427,7 @@ void PrintUsageAndExit() {
" [--benchmark_iterations=<iterations>]\n"
" [--benchmark_min_time=<min_time>]\n"
// " [--benchmark_memory_usage]\n"
// TODO " [--benchmark_repetitions=<num_repetitions>]\n"
" [--benchmark_repetitions=<num_repetitions>]\n"
" [--color_print={true|false}]\n"
" [--v=<verbosity>]\n");
exit(0);
@ -443,10 +444,8 @@ void ParseCommandLineFlags(int* argc, const char** argv) {
// TODO(dominic)
// ParseBoolFlag(argv[i], "gbenchmark_memory_usage",
// &FLAGS_gbenchmark_memory_usage) ||
/*
ParseInt32Flag(argv[i], "benchmark_repetitions",
&FLAGS_benchmark_repetitions) ||
*/
ParseBoolFlag(argv[i], "color_print", &FLAGS_color_print) ||
ParseInt32Flag(argv[i], "v", &FLAGS_v)) {
for (int j = i; j != *argc; ++j)