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llvm-mirror/utils/benchmark/test/user_counters_tabular_test.cc
Kirill Bobyrev 0f55045526 Pull google/benchmark library to the LLVM tree 
This patch pulls google/benchmark v1.4.1 into the LLVM tree so that any
project could use it for benchmark generation. A dummy benchmark is
added to `llvm/benchmarks/DummyYAML.cpp` to validate the correctness of
the build process.

The current version does not utilize LLVM LNT and LLVM CMake
infrastructure, but that might be sufficient for most users. Two
introduced CMake variables:

* `LLVM_INCLUDE_BENCHMARKS` (`ON` by default) generates benchmark
  targets
* `LLVM_BUILD_BENCHMARKS` (`OFF` by default) adds generated
  benchmark targets to the list of default LLVM targets (i.e. if `ON`
  benchmarks will be built upon standard build invocation, e.g. `ninja` or
  `make` with no specific targets)

List of modifications:

* `BENCHMARK_ENABLE_TESTING` is disabled
* `BENCHMARK_ENABLE_EXCEPTIONS` is disabled
* `BENCHMARK_ENABLE_INSTALL` is disabled
* `BENCHMARK_ENABLE_GTEST_TESTS` is disabled
* `BENCHMARK_DOWNLOAD_DEPENDENCIES` is disabled

Original discussion can be found here:
http://lists.llvm.org/pipermail/llvm-dev/2018-August/125023.html

Reviewed by: dberris, lebedev.ri

Subscribers: ilya-biryukov, ioeric, EricWF, lebedev.ri, srhines,
dschuff, mgorny, krytarowski, fedor.sergeev, mgrang, jfb, llvm-commits

Differential Revision: https://reviews.llvm.org/D50894

llvm-svn: 340809
2018-08-28 09:42:41 +00:00

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#undef NDEBUG
#include "benchmark/benchmark.h"
#include "output_test.h"
// @todo: <jpmag> this checks the full output at once; the rule for
// CounterSet1 was failing because it was not matching "^[-]+$".
// @todo: <jpmag> check that the counters are vertically aligned.
ADD_CASES(TC_ConsoleOut, {
// keeping these lines long improves readability, so:
// clang-format off
{"^[-]+$", MR_Next},
{"^Benchmark %s Time %s CPU %s Iterations %s Bar %s Bat %s Baz %s Foo %s Frob %s Lob$", MR_Next},
{"^[-]+$", MR_Next},
{"^BM_Counters_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_Counters_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_Counters_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_Counters_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_Counters_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterRates_Tabular/threads:%int %console_report [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s$", MR_Next},
{"^BM_CounterRates_Tabular/threads:%int %console_report [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s$", MR_Next},
{"^BM_CounterRates_Tabular/threads:%int %console_report [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s$", MR_Next},
{"^BM_CounterRates_Tabular/threads:%int %console_report [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s$", MR_Next},
{"^BM_CounterRates_Tabular/threads:%int %console_report [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s [ ]*%hrfloat/s$", MR_Next},
{"^[-]+$", MR_Next},
{"^Benchmark %s Time %s CPU %s Iterations %s Bar %s Baz %s Foo$", MR_Next},
{"^[-]+$", MR_Next},
{"^BM_CounterSet0_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet0_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet0_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet0_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet0_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet1_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet1_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet1_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet1_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet1_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^[-]+$", MR_Next},
{"^Benchmark %s Time %s CPU %s Iterations %s Bat %s Baz %s Foo$", MR_Next},
{"^[-]+$", MR_Next},
{"^BM_CounterSet2_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet2_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet2_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet2_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$", MR_Next},
{"^BM_CounterSet2_Tabular/threads:%int %console_report [ ]*%hrfloat [ ]*%hrfloat [ ]*%hrfloat$"},
// clang-format on
});
ADD_CASES(TC_CSVOut, {{"%csv_header,"
"\"Bar\",\"Bat\",\"Baz\",\"Foo\",\"Frob\",\"Lob\""}});
// ========================================================================= //
// ------------------------- Tabular Counters Output ----------------------- //
// ========================================================================= //
void BM_Counters_Tabular(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters.insert({
{"Foo", { 1, bm::Counter::kAvgThreads}},
{"Bar", { 2, bm::Counter::kAvgThreads}},
{"Baz", { 4, bm::Counter::kAvgThreads}},
{"Bat", { 8, bm::Counter::kAvgThreads}},
{"Frob", {16, bm::Counter::kAvgThreads}},
{"Lob", {32, bm::Counter::kAvgThreads}},
});
}
BENCHMARK(BM_Counters_Tabular)->ThreadRange(1, 16);
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Counters_Tabular/threads:%int\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"Bar\": %float,$", MR_Next},
{"\"Bat\": %float,$", MR_Next},
{"\"Baz\": %float,$", MR_Next},
{"\"Foo\": %float,$", MR_Next},
{"\"Frob\": %float,$", MR_Next},
{"\"Lob\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_Tabular/threads:%int\",%csv_report,"
"%float,%float,%float,%float,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckTabular(Results const& e) {
CHECK_COUNTER_VALUE(e, int, "Foo", EQ, 1);
CHECK_COUNTER_VALUE(e, int, "Bar", EQ, 2);
CHECK_COUNTER_VALUE(e, int, "Baz", EQ, 4);
CHECK_COUNTER_VALUE(e, int, "Bat", EQ, 8);
CHECK_COUNTER_VALUE(e, int, "Frob", EQ, 16);
CHECK_COUNTER_VALUE(e, int, "Lob", EQ, 32);
}
CHECK_BENCHMARK_RESULTS("BM_Counters_Tabular/threads:%int", &CheckTabular);
// ========================================================================= //
// -------------------- Tabular+Rate Counters Output ----------------------- //
// ========================================================================= //
void BM_CounterRates_Tabular(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters.insert({
{"Foo", { 1, bm::Counter::kAvgThreadsRate}},
{"Bar", { 2, bm::Counter::kAvgThreadsRate}},
{"Baz", { 4, bm::Counter::kAvgThreadsRate}},
{"Bat", { 8, bm::Counter::kAvgThreadsRate}},
{"Frob", {16, bm::Counter::kAvgThreadsRate}},
{"Lob", {32, bm::Counter::kAvgThreadsRate}},
});
}
BENCHMARK(BM_CounterRates_Tabular)->ThreadRange(1, 16);
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_CounterRates_Tabular/threads:%int\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"Bar\": %float,$", MR_Next},
{"\"Bat\": %float,$", MR_Next},
{"\"Baz\": %float,$", MR_Next},
{"\"Foo\": %float,$", MR_Next},
{"\"Frob\": %float,$", MR_Next},
{"\"Lob\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_CounterRates_Tabular/threads:%int\",%csv_report,"
"%float,%float,%float,%float,%float,%float$"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckTabularRate(Results const& e) {
double t = e.DurationCPUTime();
CHECK_FLOAT_COUNTER_VALUE(e, "Foo", EQ, 1./t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "Bar", EQ, 2./t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "Baz", EQ, 4./t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "Bat", EQ, 8./t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "Frob", EQ, 16./t, 0.001);
CHECK_FLOAT_COUNTER_VALUE(e, "Lob", EQ, 32./t, 0.001);
}
CHECK_BENCHMARK_RESULTS("BM_CounterRates_Tabular/threads:%int",
&CheckTabularRate);
// ========================================================================= //
// ------------------------- Tabular Counters Output ----------------------- //
// ========================================================================= //
// set only some of the counters
void BM_CounterSet0_Tabular(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters.insert({
{"Foo", {10, bm::Counter::kAvgThreads}},
{"Bar", {20, bm::Counter::kAvgThreads}},
{"Baz", {40, bm::Counter::kAvgThreads}},
});
}
BENCHMARK(BM_CounterSet0_Tabular)->ThreadRange(1, 16);
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_CounterSet0_Tabular/threads:%int\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"Bar\": %float,$", MR_Next},
{"\"Baz\": %float,$", MR_Next},
{"\"Foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_CounterSet0_Tabular/threads:%int\",%csv_report,"
"%float,,%float,%float,,"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckSet0(Results const& e) {
CHECK_COUNTER_VALUE(e, int, "Foo", EQ, 10);
CHECK_COUNTER_VALUE(e, int, "Bar", EQ, 20);
CHECK_COUNTER_VALUE(e, int, "Baz", EQ, 40);
}
CHECK_BENCHMARK_RESULTS("BM_CounterSet0_Tabular", &CheckSet0);
// again.
void BM_CounterSet1_Tabular(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters.insert({
{"Foo", {15, bm::Counter::kAvgThreads}},
{"Bar", {25, bm::Counter::kAvgThreads}},
{"Baz", {45, bm::Counter::kAvgThreads}},
});
}
BENCHMARK(BM_CounterSet1_Tabular)->ThreadRange(1, 16);
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_CounterSet1_Tabular/threads:%int\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"Bar\": %float,$", MR_Next},
{"\"Baz\": %float,$", MR_Next},
{"\"Foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_CounterSet1_Tabular/threads:%int\",%csv_report,"
"%float,,%float,%float,,"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckSet1(Results const& e) {
CHECK_COUNTER_VALUE(e, int, "Foo", EQ, 15);
CHECK_COUNTER_VALUE(e, int, "Bar", EQ, 25);
CHECK_COUNTER_VALUE(e, int, "Baz", EQ, 45);
}
CHECK_BENCHMARK_RESULTS("BM_CounterSet1_Tabular/threads:%int", &CheckSet1);
// ========================================================================= //
// ------------------------- Tabular Counters Output ----------------------- //
// ========================================================================= //
// set only some of the counters, different set now.
void BM_CounterSet2_Tabular(benchmark::State& state) {
for (auto _ : state) {
}
namespace bm = benchmark;
state.counters.insert({
{"Foo", {10, bm::Counter::kAvgThreads}},
{"Bat", {30, bm::Counter::kAvgThreads}},
{"Baz", {40, bm::Counter::kAvgThreads}},
});
}
BENCHMARK(BM_CounterSet2_Tabular)->ThreadRange(1, 16);
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_CounterSet2_Tabular/threads:%int\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %float,$", MR_Next},
{"\"cpu_time\": %float,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"Bat\": %float,$", MR_Next},
{"\"Baz\": %float,$", MR_Next},
{"\"Foo\": %float$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_CounterSet2_Tabular/threads:%int\",%csv_report,"
",%float,%float,%float,,"}});
// VS2013 does not allow this function to be passed as a lambda argument
// to CHECK_BENCHMARK_RESULTS()
void CheckSet2(Results const& e) {
CHECK_COUNTER_VALUE(e, int, "Foo", EQ, 10);
CHECK_COUNTER_VALUE(e, int, "Bat", EQ, 30);
CHECK_COUNTER_VALUE(e, int, "Baz", EQ, 40);
}
CHECK_BENCHMARK_RESULTS("BM_CounterSet2_Tabular", &CheckSet2);
// ========================================================================= //
// --------------------------- TEST CASES END ------------------------------ //
// ========================================================================= //
int main(int argc, char* argv[]) { RunOutputTests(argc, argv); }
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