forked from OSchip/llvm-project
383 lines
18 KiB
C++
383 lines
18 KiB
C++
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#undef NDEBUG
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#include <utility>
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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 Prologue Output -------------------------- //
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// ========================================================================= //
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ADD_CASES(TC_ConsoleOut,
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{{"^[-]+$", MR_Next},
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{"^Benchmark %s Time %s CPU %s Iterations$", MR_Next},
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{"^[-]+$", MR_Next}});
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static int AddContextCases() {
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AddCases(TC_ConsoleErr,
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{
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{"%int[-/]%int[-/]%int %int:%int:%int$", MR_Default},
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{"Running .*/reporter_output_test(\\.exe)?$", MR_Next},
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{"Run on \\(%int X %float MHz CPU s\\)", MR_Next},
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});
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AddCases(TC_JSONOut, {{"^\\{", MR_Default},
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{"\"context\":", MR_Next},
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{"\"date\": \"", MR_Next},
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{"\"executable\": \".*/reporter_output_test(\\.exe)?\",", MR_Next},
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{"\"num_cpus\": %int,$", MR_Next},
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{"\"mhz_per_cpu\": %float,$", MR_Next},
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{"\"cpu_scaling_enabled\": ", MR_Next},
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{"\"caches\": \\[$", MR_Next}});
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auto const& Caches = benchmark::CPUInfo::Get().caches;
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if (!Caches.empty()) {
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AddCases(TC_ConsoleErr, {{"CPU Caches:$", MR_Next}});
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}
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for (size_t I = 0; I < Caches.size(); ++I) {
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std::string num_caches_str =
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Caches[I].num_sharing != 0 ? " \\(x%int\\)$" : "$";
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AddCases(
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TC_ConsoleErr,
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{{"L%int (Data|Instruction|Unified) %intK" + num_caches_str, MR_Next}});
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AddCases(TC_JSONOut, {{"\\{$", MR_Next},
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{"\"type\": \"", MR_Next},
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{"\"level\": %int,$", MR_Next},
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{"\"size\": %int,$", MR_Next},
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{"\"num_sharing\": %int$", MR_Next},
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{"}[,]{0,1}$", MR_Next}});
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}
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AddCases(TC_JSONOut, {{"],$"}});
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return 0;
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}
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int dummy_register = AddContextCases();
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ADD_CASES(TC_CSVOut, {{"%csv_header"}});
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// ========================================================================= //
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// ------------------------ Testing Basic Output --------------------------- //
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// ========================================================================= //
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void BM_basic(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_basic);
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ADD_CASES(TC_ConsoleOut, {{"^BM_basic %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_basic\",$"},
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{"\"iterations\": %int,$", 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\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_basic\",%csv_report$"}});
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// ========================================================================= //
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// ------------------------ Testing Bytes per Second Output ---------------- //
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// ========================================================================= //
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void BM_bytes_per_second(benchmark::State& state) {
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for (auto _ : state) {
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}
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state.SetBytesProcessed(1);
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}
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BENCHMARK(BM_bytes_per_second);
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_bytes_per_second %console_report +%float[kM]{0,1}B/s$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_bytes_per_second\",$"},
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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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{"\"bytes_per_second\": %float$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_bytes_per_second\",%csv_bytes_report$"}});
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// ========================================================================= //
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// ------------------------ Testing Items per Second Output ---------------- //
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// ========================================================================= //
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void BM_items_per_second(benchmark::State& state) {
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for (auto _ : state) {
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}
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state.SetItemsProcessed(1);
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}
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BENCHMARK(BM_items_per_second);
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_items_per_second %console_report +%float[kM]{0,1} items/s$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_items_per_second\",$"},
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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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{"\"items_per_second\": %float$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_items_per_second\",%csv_items_report$"}});
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// ========================================================================= //
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// ------------------------ Testing Label Output --------------------------- //
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// ========================================================================= //
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void BM_label(benchmark::State& state) {
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for (auto _ : state) {
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}
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state.SetLabel("some label");
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}
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BENCHMARK(BM_label);
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ADD_CASES(TC_ConsoleOut, {{"^BM_label %console_report some label$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_label\",$"},
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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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{"\"label\": \"some label\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_label\",%csv_label_report_begin\"some "
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"label\"%csv_label_report_end$"}});
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// ========================================================================= //
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// ------------------------ Testing Error Output --------------------------- //
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// ========================================================================= //
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void BM_error(benchmark::State& state) {
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state.SkipWithError("message");
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_error);
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ADD_CASES(TC_ConsoleOut, {{"^BM_error[ ]+ERROR OCCURRED: 'message'$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_error\",$"},
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{"\"error_occurred\": true,$", MR_Next},
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{"\"error_message\": \"message\",$", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_error\",,,,,,,,true,\"message\"$"}});
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// ========================================================================= //
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// ------------------------ Testing No Arg Name Output -----------------------
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// //
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// ========================================================================= //
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void BM_no_arg_name(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_no_arg_name)->Arg(3);
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ADD_CASES(TC_ConsoleOut, {{"^BM_no_arg_name/3 %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_no_arg_name/3\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_no_arg_name/3\",%csv_report$"}});
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// ========================================================================= //
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// ------------------------ Testing Arg Name Output ----------------------- //
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// ========================================================================= //
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void BM_arg_name(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_arg_name)->ArgName("first")->Arg(3);
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ADD_CASES(TC_ConsoleOut, {{"^BM_arg_name/first:3 %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_arg_name/first:3\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_arg_name/first:3\",%csv_report$"}});
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// ========================================================================= //
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// ------------------------ Testing Arg Names Output ----------------------- //
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// ========================================================================= //
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void BM_arg_names(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_arg_names)->Args({2, 5, 4})->ArgNames({"first", "", "third"});
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_arg_names/first:2/5/third:4 %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_arg_names/first:2/5/third:4\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_arg_names/first:2/5/third:4\",%csv_report$"}});
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// ========================================================================= //
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// ----------------------- Testing Complexity Output ----------------------- //
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// ========================================================================= //
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void BM_Complexity_O1(benchmark::State& state) {
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for (auto _ : state) {
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}
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state.SetComplexityN(state.range(0));
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}
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BENCHMARK(BM_Complexity_O1)->Range(1, 1 << 18)->Complexity(benchmark::o1);
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SET_SUBSTITUTIONS({{"%bigOStr", "[ ]* %float \\([0-9]+\\)"},
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{"%RMS", "[ ]*[0-9]+ %"}});
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ADD_CASES(TC_ConsoleOut, {{"^BM_Complexity_O1_BigO %bigOStr %bigOStr[ ]*$"},
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{"^BM_Complexity_O1_RMS %RMS %RMS[ ]*$"}});
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// ========================================================================= //
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// ----------------------- Testing Aggregate Output ------------------------ //
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// ========================================================================= //
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// Test that non-aggregate data is printed by default
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void BM_Repeat(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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// need two repetitions min to be able to output any aggregate output
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BENCHMARK(BM_Repeat)->Repetitions(2);
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ADD_CASES(TC_ConsoleOut, {{"^BM_Repeat/repeats:2 %console_report$"},
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{"^BM_Repeat/repeats:2 %console_report$"},
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{"^BM_Repeat/repeats:2_mean %console_report$"},
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{"^BM_Repeat/repeats:2_median %console_report$"},
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{"^BM_Repeat/repeats:2_stddev %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Repeat/repeats:2\",$"},
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{"\"name\": \"BM_Repeat/repeats:2\",$"},
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{"\"name\": \"BM_Repeat/repeats:2_mean\",$"},
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{"\"name\": \"BM_Repeat/repeats:2_median\",$"},
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{"\"name\": \"BM_Repeat/repeats:2_stddev\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_Repeat/repeats:2\",%csv_report$"},
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{"^\"BM_Repeat/repeats:2\",%csv_report$"},
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{"^\"BM_Repeat/repeats:2_mean\",%csv_report$"},
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{"^\"BM_Repeat/repeats:2_median\",%csv_report$"},
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{"^\"BM_Repeat/repeats:2_stddev\",%csv_report$"}});
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// but for two repetitions, mean and median is the same, so let's repeat..
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BENCHMARK(BM_Repeat)->Repetitions(3);
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ADD_CASES(TC_ConsoleOut, {{"^BM_Repeat/repeats:3 %console_report$"},
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{"^BM_Repeat/repeats:3 %console_report$"},
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{"^BM_Repeat/repeats:3 %console_report$"},
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{"^BM_Repeat/repeats:3_mean %console_report$"},
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{"^BM_Repeat/repeats:3_median %console_report$"},
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{"^BM_Repeat/repeats:3_stddev %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Repeat/repeats:3\",$"},
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{"\"name\": \"BM_Repeat/repeats:3\",$"},
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{"\"name\": \"BM_Repeat/repeats:3\",$"},
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{"\"name\": \"BM_Repeat/repeats:3_mean\",$"},
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{"\"name\": \"BM_Repeat/repeats:3_median\",$"},
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{"\"name\": \"BM_Repeat/repeats:3_stddev\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_Repeat/repeats:3\",%csv_report$"},
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{"^\"BM_Repeat/repeats:3\",%csv_report$"},
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{"^\"BM_Repeat/repeats:3\",%csv_report$"},
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{"^\"BM_Repeat/repeats:3_mean\",%csv_report$"},
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{"^\"BM_Repeat/repeats:3_median\",%csv_report$"},
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{"^\"BM_Repeat/repeats:3_stddev\",%csv_report$"}});
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// median differs between even/odd number of repetitions, so just to be sure
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BENCHMARK(BM_Repeat)->Repetitions(4);
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ADD_CASES(TC_ConsoleOut, {{"^BM_Repeat/repeats:4 %console_report$"},
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{"^BM_Repeat/repeats:4 %console_report$"},
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{"^BM_Repeat/repeats:4 %console_report$"},
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{"^BM_Repeat/repeats:4 %console_report$"},
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{"^BM_Repeat/repeats:4_mean %console_report$"},
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{"^BM_Repeat/repeats:4_median %console_report$"},
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{"^BM_Repeat/repeats:4_stddev %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Repeat/repeats:4\",$"},
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{"\"name\": \"BM_Repeat/repeats:4\",$"},
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{"\"name\": \"BM_Repeat/repeats:4\",$"},
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{"\"name\": \"BM_Repeat/repeats:4\",$"},
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{"\"name\": \"BM_Repeat/repeats:4_mean\",$"},
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{"\"name\": \"BM_Repeat/repeats:4_median\",$"},
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{"\"name\": \"BM_Repeat/repeats:4_stddev\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_Repeat/repeats:4\",%csv_report$"},
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{"^\"BM_Repeat/repeats:4\",%csv_report$"},
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{"^\"BM_Repeat/repeats:4\",%csv_report$"},
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{"^\"BM_Repeat/repeats:4\",%csv_report$"},
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{"^\"BM_Repeat/repeats:4_mean\",%csv_report$"},
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{"^\"BM_Repeat/repeats:4_median\",%csv_report$"},
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{"^\"BM_Repeat/repeats:4_stddev\",%csv_report$"}});
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// Test that a non-repeated test still prints non-aggregate results even when
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// only-aggregate reports have been requested
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void BM_RepeatOnce(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_RepeatOnce)->Repetitions(1)->ReportAggregatesOnly();
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ADD_CASES(TC_ConsoleOut, {{"^BM_RepeatOnce/repeats:1 %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_RepeatOnce/repeats:1\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_RepeatOnce/repeats:1\",%csv_report$"}});
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// Test that non-aggregate data is not reported
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void BM_SummaryRepeat(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_SummaryRepeat)->Repetitions(3)->ReportAggregatesOnly();
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ADD_CASES(TC_ConsoleOut,
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{{".*BM_SummaryRepeat/repeats:3 ", MR_Not},
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{"^BM_SummaryRepeat/repeats:3_mean %console_report$"},
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{"^BM_SummaryRepeat/repeats:3_median %console_report$"},
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{"^BM_SummaryRepeat/repeats:3_stddev %console_report$"}});
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ADD_CASES(TC_JSONOut, {{".*BM_SummaryRepeat/repeats:3 ", MR_Not},
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{"\"name\": \"BM_SummaryRepeat/repeats:3_mean\",$"},
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{"\"name\": \"BM_SummaryRepeat/repeats:3_median\",$"},
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{"\"name\": \"BM_SummaryRepeat/repeats:3_stddev\",$"}});
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ADD_CASES(TC_CSVOut, {{".*BM_SummaryRepeat/repeats:3 ", MR_Not},
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{"^\"BM_SummaryRepeat/repeats:3_mean\",%csv_report$"},
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{"^\"BM_SummaryRepeat/repeats:3_median\",%csv_report$"},
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{"^\"BM_SummaryRepeat/repeats:3_stddev\",%csv_report$"}});
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void BM_RepeatTimeUnit(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_RepeatTimeUnit)
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->Repetitions(3)
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->ReportAggregatesOnly()
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->Unit(benchmark::kMicrosecond);
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ADD_CASES(TC_ConsoleOut,
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{{".*BM_RepeatTimeUnit/repeats:3 ", MR_Not},
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{"^BM_RepeatTimeUnit/repeats:3_mean %console_us_report$"},
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{"^BM_RepeatTimeUnit/repeats:3_median %console_us_report$"},
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{"^BM_RepeatTimeUnit/repeats:3_stddev %console_us_report$"}});
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ADD_CASES(TC_JSONOut, {{".*BM_RepeatTimeUnit/repeats:3 ", MR_Not},
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{"\"name\": \"BM_RepeatTimeUnit/repeats:3_mean\",$"},
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{"\"time_unit\": \"us\",?$"},
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{"\"name\": \"BM_RepeatTimeUnit/repeats:3_median\",$"},
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{"\"time_unit\": \"us\",?$"},
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{"\"name\": \"BM_RepeatTimeUnit/repeats:3_stddev\",$"},
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{"\"time_unit\": \"us\",?$"}});
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ADD_CASES(TC_CSVOut,
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{{".*BM_RepeatTimeUnit/repeats:3 ", MR_Not},
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{"^\"BM_RepeatTimeUnit/repeats:3_mean\",%csv_us_report$"},
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{"^\"BM_RepeatTimeUnit/repeats:3_median\",%csv_us_report$"},
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{"^\"BM_RepeatTimeUnit/repeats:3_stddev\",%csv_us_report$"}});
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// ========================================================================= //
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// -------------------- Testing user-provided statistics ------------------- //
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// ========================================================================= //
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const auto UserStatistics = [](const std::vector<double>& v) {
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return v.back();
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};
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void BM_UserStats(benchmark::State& state) {
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for (auto _ : state) {
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}
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}
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BENCHMARK(BM_UserStats)
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->Repetitions(3)
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->ComputeStatistics("", UserStatistics);
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// check that user-provided stats is calculated, and is after the default-ones
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// empty string as name is intentional, it would sort before anything else
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ADD_CASES(TC_ConsoleOut, {{"^BM_UserStats/repeats:3 %console_report$"},
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{"^BM_UserStats/repeats:3 %console_report$"},
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{"^BM_UserStats/repeats:3 %console_report$"},
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{"^BM_UserStats/repeats:3_mean %console_report$"},
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{"^BM_UserStats/repeats:3_median %console_report$"},
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{"^BM_UserStats/repeats:3_stddev %console_report$"},
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{"^BM_UserStats/repeats:3_ %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_UserStats/repeats:3\",$"},
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{"\"name\": \"BM_UserStats/repeats:3\",$"},
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{"\"name\": \"BM_UserStats/repeats:3\",$"},
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{"\"name\": \"BM_UserStats/repeats:3_mean\",$"},
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{"\"name\": \"BM_UserStats/repeats:3_median\",$"},
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{"\"name\": \"BM_UserStats/repeats:3_stddev\",$"},
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{"\"name\": \"BM_UserStats/repeats:3_\",$"}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_UserStats/repeats:3\",%csv_report$"},
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{"^\"BM_UserStats/repeats:3\",%csv_report$"},
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{"^\"BM_UserStats/repeats:3\",%csv_report$"},
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{"^\"BM_UserStats/repeats:3_mean\",%csv_report$"},
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{"^\"BM_UserStats/repeats:3_median\",%csv_report$"},
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{"^\"BM_UserStats/repeats:3_stddev\",%csv_report$"},
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{"^\"BM_UserStats/repeats:3_\",%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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