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https://gitee.com/openharmony/third_party_benchmark
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Avoid compiler-specific pragmas in result check macros.
- Epsilon is now understood as relative to expected value. - Improve error messages for epsilon checks.
This commit is contained in:
Joao Paulo Magalhaes
parent
da69e5de45
commit
1ce286f632
@ -148,40 +148,50 @@ struct ResultsCheckerEntry {
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// checked.
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size_t AddChecker(const char* bm_name, ResultsCheckFn fn);
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#ifdef __clang__
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/* NOTE: using , ## __VA_ARGS__ to deal with zero-args calls to
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* variadic macros is not portable, but works in clang, gcc, msvc, icc.
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* clang requires switching off compiler warnings for pedantic mode.
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* @see http://stackoverflow.com/questions/32047685/variadic-macro-without-arguments */
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# pragma clang diagnostic push
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// warning: token pasting of ',' and __VA_ARGS__ is a GNU extension
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# pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
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#elif defined(__GNUC__)
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/* GCC also issues a warning for zero-args calls to variadic macros.
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* This warning is switched on with -pedantic and apparently there is no
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* easy way to turn it off as with clang. But marking this as a system
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* header works.
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* @see https://gcc.gnu.org/onlinedocs/cpp/System-Headers.html
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* @see http://stackoverflow.com/questions/35587137/ */
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# pragma GCC system_header
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#endif
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//----------------------------------
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// Macros to help in result checking. Do not use them with arguments causing
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// side-effects.
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#define _CHECK_RESULT_VALUE(entry, getfn, var_type, var_name, relationship, value, ...) \
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CONCAT(CHECK_, relationship)(entry.getfn< var_type >(var_name), (value), ## __VA_ARGS__) \
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<< "\n" << __FILE__ << ":" << __LINE__ << ": " \
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<< entry.name << ": expected (" << #var_type << ")" \
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<< var_name << "=" << entry.getfn< var_type >(var_name) \
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<< " to be " #relationship " to " << (value);
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#define _CHECK_RESULT_VALUE(entry, getfn, var_type, var_name, relationship, value) \
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CONCAT(CHECK_, relationship) \
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(entry.getfn< var_type >(var_name), (value)) << "\n" \
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<< __FILE__ << ":" << __LINE__ << ": " << (entry).name << ":\n" \
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<< __FILE__ << ":" << __LINE__ << ": " \
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<< "expected (" << #var_type << ")" << (var_name) \
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<< "=" << (entry).getfn< var_type >(var_name) \
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<< " to be " #relationship " to " << (value) << "\n"
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#define CHECK_RESULT_VALUE(entry, var_type, var_name, relationship, value, ...) \
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_CHECK_RESULT_VALUE(entry, GetAs, var_type, var_name, relationship, value, ## __VA_ARGS__)
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// check with tolerance. eps_factor is the tolerance window, which will be
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// interpreted relative to value.
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#define _CHECK_RESULT_VALUE_EPS(entry, getfn, var_type, var_name, relationship, value, eps_factor) \
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CONCAT(CHECK_, relationship) \
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(entry.getfn< var_type >(var_name), (value), (eps_factor) * (value)) << "\n" \
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<< __FILE__ << ":" << __LINE__ << ": " << (entry).name << ":\n" \
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<< __FILE__ << ":" << __LINE__ << ": " \
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<< "expected (" << #var_type << ")" << (var_name) \
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<< "=" << (entry).getfn< var_type >(var_name) \
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<< " to be " #relationship " to " << (value) << "\n" \
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<< __FILE__ << ":" << __LINE__ << ": " \
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<< "with tolerance of " << (eps_factor) * (value) \
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<< " (" << (eps_factor)*100. << "%), " \
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<< "but delta was " << ((entry).getfn< var_type >(var_name) - (value)) \
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<< " (" << (((entry).getfn< var_type >(var_name) - (value)) \
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/ \
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((value) > 1.e-5 || value < -1.e-5 ? value : 1.e-5)*100.) \
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<< "%)"
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#define CHECK_COUNTER_VALUE(entry, var_type, var_name, relationship, value, ...) \
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_CHECK_RESULT_VALUE(entry, GetCounterAs, var_type, var_name, relationship, value, ## __VA_ARGS__)
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#define CHECK_RESULT_VALUE(entry, var_type, var_name, relationship, value) \
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_CHECK_RESULT_VALUE(entry, GetAs, var_type, var_name, relationship, value)
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#define CHECK_COUNTER_VALUE(entry, var_type, var_name, relationship, value) \
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_CHECK_RESULT_VALUE(entry, GetCounterAs, var_type, var_name, relationship, value)
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#define CHECK_RESULT_VALUE_EPS(entry, var_name, relationship, value, eps_factor) \
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_CHECK_RESULT_VALUE_EPS(entry, GetAs, double, var_name, relationship, value, eps_factor)
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#define CHECK_COUNTER_VALUE_EPS(entry, var_name, relationship, value, eps_factor) \
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_CHECK_RESULT_VALUE_EPS(entry, GetCounterAs, double, var_name, relationship, value, eps_factor)
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#ifdef __clang__
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# pragma clang diagnostic pop
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#endif
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#define CHECK_BENCHMARK_RESULTS(bm_name, checker_function) \
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size_t CONCAT(dummy, __LINE__) = AddChecker(bm_name, checker_function)
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@ -24,7 +24,7 @@ void BM_Counters_Simple(benchmark::State& state) {
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state.counters["foo"] = 1;
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state.counters["bar"] = 2 * state.iterations();
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}
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BENCHMARK(BM_Counters_Simple);//->ThreadRange(1, 32);
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BENCHMARK(BM_Counters_Simple);
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ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_Simple %console_report bar=%hrfloat foo=%hrfloat$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Counters_Simple\",$"},
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{"\"iterations\": %int,$", MR_Next},
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@ -39,7 +39,7 @@ CHECK_BENCHMARK_RESULTS("BM_Counters_Simple", [](ResultsCheckerEntry const& e) {
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double its = e.GetAs< double >("iterations");
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CHECK_COUNTER_VALUE(e, int, "foo", EQ, 1);
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// check that the value of bar is within 0.1% of the expected value
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CHECK_COUNTER_VALUE(e, double, "bar", EQ_EPS, 2. * its, 0.001 * its);
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CHECK_COUNTER_VALUE_EPS(e, "bar", EQ_EPS, 2.*its, 0.001);
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});
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// ========================================================================= //
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@ -55,10 +55,10 @@ void BM_Counters_WithBytesAndItemsPSec(benchmark::State& state) {
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state.SetBytesProcessed(364);
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state.SetItemsProcessed(150);
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}
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BENCHMARK(BM_Counters_WithBytesAndItemsPSec);//->ThreadRange(1, 32);
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BENCHMARK(BM_Counters_WithBytesAndItemsPSec);
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ADD_CASES(TC_ConsoleOut,
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{{"^BM_Counters_WithBytesAndItemsPSec %console_report "
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"bar=%hrfloat foo=%hrfloat +%floatB/s +%float items/s$"}});
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"bar=%hrfloat foo=%hrfloat +%hrfloatB/s +%hrfloat items/s$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Counters_WithBytesAndItemsPSec\",$"},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %int,$", MR_Next},
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@ -73,12 +73,12 @@ ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_WithBytesAndItemsPSec\","
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"%csv_bytes_items_report,%float,%float$"}});
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CHECK_BENCHMARK_RESULTS("BM_Counters_WithBytesAndItemsPSec",
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[](ResultsCheckerEntry const& e) {
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double t = e.DurationCPUTime(); // this (and not real time) is the time used
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CHECK_COUNTER_VALUE(e, int, "foo", EQ, 1);
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CHECK_COUNTER_VALUE(e, int, "bar", EQ, num_calls1);
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// check that the values are within 0.1% of the expected values
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double t = e.DurationCPUTime(); // this (and not real time) is the time used
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CHECK_RESULT_VALUE(e, double, "bytes_per_second", EQ_EPS, 364. / t, 0.001 * t);
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CHECK_RESULT_VALUE(e, double, "items_per_second", EQ_EPS, 150. / t, 0.001 * t);
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CHECK_RESULT_VALUE_EPS(e, "bytes_per_second", EQ_EPS, 364./t, 0.001);
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CHECK_RESULT_VALUE_EPS(e, "items_per_second", EQ_EPS, 150./t, 0.001);
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});
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// ========================================================================= //
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@ -92,7 +92,7 @@ void BM_Counters_Rate(benchmark::State& state) {
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state.counters["foo"] = bm::Counter{1, bm::Counter::kIsRate};
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state.counters["bar"] = bm::Counter{2, bm::Counter::kIsRate};
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}
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BENCHMARK(BM_Counters_Rate);//->ThreadRange(1, 32);
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BENCHMARK(BM_Counters_Rate);
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ADD_CASES(TC_ConsoleOut, {{"^BM_Counters_Rate %console_report bar=%hrfloat foo=%hrfloat$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Counters_Rate\",$"},
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{"\"iterations\": %int,$", MR_Next},
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@ -105,10 +105,10 @@ ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Counters_Rate\",$"},
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ADD_CASES(TC_CSVOut, {{"^\"BM_Counters_Rate\",%csv_report,%float,%float$"}});
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CHECK_BENCHMARK_RESULTS("BM_Counters_Rate",
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[](ResultsCheckerEntry const& e) {
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// check that the values are within 0.1% of the expected values
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double t = e.DurationCPUTime(); // this (and not real time) is the time used
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CHECK_COUNTER_VALUE(e, double, "foo", EQ_EPS, 5. / t, 0.001 * t);
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CHECK_COUNTER_VALUE(e, double, "bar", EQ_EPS, 2. / t, 0.001 * t);
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// check that the values are within 0.1% of the expected values
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CHECK_COUNTER_VALUE_EPS(e, "foo", EQ_EPS, 1./t, 0.001);
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CHECK_COUNTER_VALUE_EPS(e, "bar", EQ_EPS, 2./t, 0.001);
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});
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// ========================================================================= //
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