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benchmark/test/user_counters_test.cc
dominic 9885aefb96
get rid of warnings in tests (#1562)
2023-03-06 14:47:54 +00:00

562 lines
26 KiB
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#undef NDEBUG
#include "benchmark/benchmark.h"
#include "output_test.h"
// ========================================================================= //
// ---------------------- Testing Prologue Output -------------------------- //
// ========================================================================= //
// clang-format off
ADD_CASES(TC_ConsoleOut,
{{"^[-]+$", MR_Next},
{"^Benchmark %s Time %s CPU %s Iterations UserCounters...$", MR_Next},
{"^[-]+$", MR_Next}});
ADD_CASES(TC_CSVOut, {{"%csv_header,\"bar\",\"foo\""}});
// clang-format on
// ========================================================================= //
// ------------------------- Simple Counters Output ------------------------ //
// ========================================================================= //
void BM_Counters_Simple(benchmark::State& state) {
for (auto _ : state) {
}
state.counters["foo"] = 1;
state.counters["bar"] = 2 * static_cast<double>(state.iterations());
}
BENCHMARK(BM_Counters_Simple);
ADD_CASES(TC_ConsoleOut,
{{"^BM_Counters_Simple %console_report bar=%hrfloat foo=%hrfloat$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Counters_Simple\",$"},
{"\"family_index\": 0,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_Simple\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_Simple\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckSimple(Results const& e) {
double its = e.NumIterations();
CHECK_COUNTER_VALUE(e, int, "foo", EQ, 1);
// check that the value of bar is within 0.1% of the expected value
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, 2. * its, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_Simple", &CheckSimple);
// ========================================================================= //
// --------------------- Counters+Items+Bytes/s Output --------------------- //
// ========================================================================= //
namespace {
int num_calls1 = 0;
}
void BM_Counters_WithBytesAndItemsPSec(benchmark::State& state) {
for (auto _ : state) {
// This test requires a non-zero CPU time to avoid divide-by-zero
auto iterations = state.iterations();
benchmark::DoNotOptimize(iterations);
}
state.counters["foo"] = 1;
state.counters["bar"] = ++num_calls1;
state.SetBytesProcessed(364);
state.SetItemsProcessed(150);
}
BENCHMARK(BM_Counters_WithBytesAndItemsPSec);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_WithBytesAndItemsPSec %console_report "
"bar=%hrfloat bytes_per_second=%hrfloat/s "
"foo=%hrfloat items_per_second=%hrfloat/s$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_WithBytesAndItemsPSec\",$"},
{"\"family_index\": 1,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_WithBytesAndItemsPSec\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"bytes_per_second\": %float,$", MR_Next},
{"\"foo\": %float,$", MR_Next},
{"\"items_per_second\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_WithBytesAndItemsPSec\","
"%csv_bytes_items_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckBytesAndItemsPSec(Results const& e) {
double t = e.DurationCPUTime(); // this (and not real time) is the time used
CHECK_COUNTER_VALUE(e, int, "foo", EQ, 1);
CHECK_COUNTER_VALUE(e, int, "bar", EQ, num_calls1);
// check that the values are within 0.1% of the expected values
CHECK_FLOAT_RESULT_VALUE(e, "bytes_per_second", EQ, 364. / t, 0.001);
CHECK_FLOAT_RESULT_VALUE(e, "items_per_second", EQ, 150. / t, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_WithBytesAndItemsPSec",
&CheckBytesAndItemsPSec);
// ========================================================================= //
// ------------------------- Rate Counters Output -------------------------- //
// ========================================================================= //
void BM_Counters_Rate(benchmark::State& state) {
for (auto _ : state) {
// This test requires a non-zero CPU time to avoid divide-by-zero
auto iterations = state.iterations();
benchmark::DoNotOptimize(iterations);
}
namespace bm = benchmark;
state.counters["foo"] = bm::Counter{1, bm::Counter::kIsRate};
state.counters["bar"] = bm::Counter{2, bm::Counter::kIsRate};
}
BENCHMARK(BM_Counters_Rate);
ADD_CASES(
TC_ConsoleOut,
{{"^BM_Counters_Rate %console_report bar=%hrfloat/s foo=%hrfloat/s$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Counters_Rate\",$"},
{"\"family_index\": 2,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_Rate\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_Rate\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckRate(Results const& e) {
double t = e.DurationCPUTime(); // this (and not real time) is the time used
// check that the values are within 0.1% of the expected values
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, 1. / t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, 2. / t, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_Rate", &CheckRate);
// ========================================================================= //
// ----------------------- Inverted Counters Output ------------------------ //
// ========================================================================= //
void BM_Invert(benchmark::State& state) {
for (auto _ : state) {
// This test requires a non-zero CPU time to avoid divide-by-zero
auto iterations = state.iterations();
benchmark::DoNotOptimize(iterations);
}
namespace bm = benchmark;
state.counters["foo"] = bm::Counter{0.0001, bm::Counter::kInvert};
state.counters["bar"] = bm::Counter{10000, bm::Counter::kInvert};
}
BENCHMARK(BM_Invert);
ADD_CASES(TC_ConsoleOut,
{{"^BM_Invert %console_report bar=%hrfloatu foo=%hrfloatk$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Invert\",$"},
{"\"family_index\": 3,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Invert\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Invert\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckInvert(Results const& e) {
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, 10000, 0.0001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, 0.0001, 0.0001);
}
CHECK_BENCHMARK_RESULTS("BM_Invert", &CheckInvert);
// ========================================================================= //
// --------------------- InvertedRate Counters Output ---------------------- //
// ========================================================================= //
void BM_Counters_InvertedRate(benchmark::State& state) {
for (auto _ : state) {
// This test requires a non-zero CPU time to avoid divide-by-zero
auto iterations = state.iterations();
benchmark::DoNotOptimize(iterations);
}
namespace bm = benchmark;
state.counters["foo"] =
bm::Counter{1, bm::Counter::kIsRate | bm::Counter::kInvert};
state.counters["bar"] =
bm::Counter{8192, bm::Counter::kIsRate | bm::Counter::kInvert};
}
BENCHMARK(BM_Counters_InvertedRate);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_InvertedRate %console_report "
"bar=%hrfloats foo=%hrfloats$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_InvertedRate\",$"},
{"\"family_index\": 4,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_InvertedRate\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut,
{{"^\"BM_Counters_InvertedRate\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckInvertedRate(Results const& e) {
double t = e.DurationCPUTime(); // this (and not real time) is the time used
// check that the values are within 0.1% of the expected values
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, t / 8192.0, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_InvertedRate", &CheckInvertedRate);
// ========================================================================= //
// ------------------------- Thread Counters Output ------------------------ //
// ========================================================================= //
void BM_Counters_Threads(benchmark::State& state) {
for (auto _ : state) {
}
state.counters["foo"] = 1;
state.counters["bar"] = 2;
}
BENCHMARK(BM_Counters_Threads)->ThreadRange(1, 8);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_Threads/threads:%int %console_report "
"bar=%hrfloat foo=%hrfloat$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_Threads/threads:%int\",$"},
{"\"family_index\": 5,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_Threads/threads:%int\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(
TC_CSVOut,
{{"^\"BM_Counters_Threads/threads:%int\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckThreads(Results const& e) {
CHECK_COUNTER_VALUE(e, int, "foo", EQ, e.NumThreads());
CHECK_COUNTER_VALUE(e, int, "bar", EQ, 2 * e.NumThreads());
}
CHECK_BENCHMARK_RESULTS("BM_Counters_Threads/threads:%int", &CheckThreads);
// ========================================================================= //
// ---------------------- ThreadAvg Counters Output ------------------------ //
// ========================================================================= //
void BM_Counters_AvgThreads(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters["foo"] = bm::Counter{1, bm::Counter::kAvgThreads};
state.counters["bar"] = bm::Counter{2, bm::Counter::kAvgThreads};
}
BENCHMARK(BM_Counters_AvgThreads)->ThreadRange(1, 8);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_AvgThreads/threads:%int "
"%console_report bar=%hrfloat foo=%hrfloat$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_AvgThreads/threads:%int\",$"},
{"\"family_index\": 6,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_AvgThreads/threads:%int\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(
TC_CSVOut,
{{"^\"BM_Counters_AvgThreads/threads:%int\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckAvgThreads(Results const& e) {
CHECK_COUNTER_VALUE(e, int, "foo", EQ, 1);
CHECK_COUNTER_VALUE(e, int, "bar", EQ, 2);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_AvgThreads/threads:%int",
&CheckAvgThreads);
// ========================================================================= //
// ---------------------- ThreadAvg Counters Output ------------------------ //
// ========================================================================= //
void BM_Counters_AvgThreadsRate(benchmark::State& state) {
for (auto _ : state) {
// This test requires a non-zero CPU time to avoid divide-by-zero
auto iterations = state.iterations();
benchmark::DoNotOptimize(iterations);
}
namespace bm = benchmark;
state.counters["foo"] = bm::Counter{1, bm::Counter::kAvgThreadsRate};
state.counters["bar"] = bm::Counter{2, bm::Counter::kAvgThreadsRate};
}
BENCHMARK(BM_Counters_AvgThreadsRate)->ThreadRange(1, 8);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_AvgThreadsRate/threads:%int "
"%console_report bar=%hrfloat/s foo=%hrfloat/s$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_AvgThreadsRate/threads:%int\",$"},
{"\"family_index\": 7,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_AvgThreadsRate/threads:%int\",$",
MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_AvgThreadsRate/"
"threads:%int\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckAvgThreadsRate(Results const& e) {
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, 1. / e.DurationCPUTime(), 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, 2. / e.DurationCPUTime(), 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_AvgThreadsRate/threads:%int",
&CheckAvgThreadsRate);
// ========================================================================= //
// ------------------- IterationInvariant Counters Output ------------------ //
// ========================================================================= //
void BM_Counters_IterationInvariant(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters["foo"] = bm::Counter{1, bm::Counter::kIsIterationInvariant};
state.counters["bar"] = bm::Counter{2, bm::Counter::kIsIterationInvariant};
}
BENCHMARK(BM_Counters_IterationInvariant);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_IterationInvariant %console_report "
"bar=%hrfloat foo=%hrfloat$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_IterationInvariant\",$"},
{"\"family_index\": 8,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_IterationInvariant\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut,
{{"^\"BM_Counters_IterationInvariant\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckIterationInvariant(Results const& e) {
double its = e.NumIterations();
// check that the values are within 0.1% of the expected value
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, its, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, 2. * its, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_IterationInvariant",
&CheckIterationInvariant);
// ========================================================================= //
// ----------------- IterationInvariantRate Counters Output ---------------- //
// ========================================================================= //
void BM_Counters_kIsIterationInvariantRate(benchmark::State& state) {
for (auto _ : state) {
// This test requires a non-zero CPU time to avoid divide-by-zero
auto iterations = state.iterations();
benchmark::DoNotOptimize(iterations);
}
namespace bm = benchmark;
state.counters["foo"] =
bm::Counter{1, bm::Counter::kIsIterationInvariantRate};
state.counters["bar"] =
bm::Counter{2, bm::Counter::kIsRate | bm::Counter::kIsIterationInvariant};
}
BENCHMARK(BM_Counters_kIsIterationInvariantRate);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_kIsIterationInvariantRate "
"%console_report bar=%hrfloat/s foo=%hrfloat/s$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_kIsIterationInvariantRate\",$"},
{"\"family_index\": 9,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_kIsIterationInvariantRate\",$",
MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_kIsIterationInvariantRate\",%csv_report,"
"%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckIsIterationInvariantRate(Results const& e) {
double its = e.NumIterations();
double t = e.DurationCPUTime(); // this (and not real time) is the time used
// check that the values are within 0.1% of the expected values
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, its * 1. / t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, its * 2. / t, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_kIsIterationInvariantRate",
&CheckIsIterationInvariantRate);
// ========================================================================= //
// --------------------- AvgIterations Counters Output --------------------- //
// ========================================================================= //
void BM_Counters_AvgIterations(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters["foo"] = bm::Counter{1, bm::Counter::kAvgIterations};
state.counters["bar"] = bm::Counter{2, bm::Counter::kAvgIterations};
}
BENCHMARK(BM_Counters_AvgIterations);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_AvgIterations %console_report "
"bar=%hrfloat foo=%hrfloat$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_AvgIterations\",$"},
{"\"family_index\": 10,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_AvgIterations\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut,
{{"^\"BM_Counters_AvgIterations\",%csv_report,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckAvgIterations(Results const& e) {
double its = e.NumIterations();
// check that the values are within 0.1% of the expected value
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, 1. / its, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, 2. / its, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_AvgIterations", &CheckAvgIterations);
// ========================================================================= //
// ------------------- AvgIterationsRate Counters Output ------------------- //
// ========================================================================= //
void BM_Counters_kAvgIterationsRate(benchmark::State& state) {
for (auto _ : state) {
// This test requires a non-zero CPU time to avoid divide-by-zero
auto iterations = state.iterations();
benchmark::DoNotOptimize(iterations);
}
namespace bm = benchmark;
state.counters["foo"] = bm::Counter{1, bm::Counter::kAvgIterationsRate};
state.counters["bar"] =
bm::Counter{2, bm::Counter::kIsRate | bm::Counter::kAvgIterations};
}
BENCHMARK(BM_Counters_kAvgIterationsRate);
ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_kAvgIterationsRate "
"%console_report bar=%hrfloat/s foo=%hrfloat/s$"}});
ADD_CASES(TC_JSONOut,
{{"\"name\": \"BM_Counters_kAvgIterationsRate\",$"},
{"\"family_index\": 11,$", MR_Next},
{"\"per_family_instance_index\": 0,$", MR_Next},
{"\"run_name\": \"BM_Counters_kAvgIterationsRate\",$", MR_Next},
{"\"run_type\": \"iteration\",$", MR_Next},
{"\"repetitions\": 1,$", MR_Next},
{"\"repetition_index\": 0,$", MR_Next},
{"\"threads\": 1,$", MR_Next},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bar\": %float,$", MR_Next},
{"\"foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_kAvgIterationsRate\",%csv_report,"
"%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckAvgIterationsRate(Results const& e) {
double its = e.NumIterations();
double t = e.DurationCPUTime(); // this (and not real time) is the time used
// check that the values are within 0.1% of the expected values
CHECK_FLOAT_COUNTER_VALUE(e, "foo", EQ, 1. / its / t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "bar", EQ, 2. / its / t, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_kAvgIterationsRate",
&CheckAvgIterationsRate);
// ========================================================================= //
// --------------------------- TEST CASES END ------------------------------ //
// ========================================================================= //
int main(int argc, char* argv[]) { RunOutputTests(argc, argv); }
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