summaryrefslogtreecommitdiff
path: root/projects/SelfTest/IntrospectiveTests/InternalBenchmark.tests.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'projects/SelfTest/IntrospectiveTests/InternalBenchmark.tests.cpp')
-rw-r--r--projects/SelfTest/IntrospectiveTests/InternalBenchmark.tests.cpp405
1 files changed, 0 insertions, 405 deletions
diff --git a/projects/SelfTest/IntrospectiveTests/InternalBenchmark.tests.cpp b/projects/SelfTest/IntrospectiveTests/InternalBenchmark.tests.cpp
deleted file mode 100644
index d17998d8..00000000
--- a/projects/SelfTest/IntrospectiveTests/InternalBenchmark.tests.cpp
+++ /dev/null
@@ -1,405 +0,0 @@
-/*
- * Created by Joachim on 16/04/2019.
- * Adapted from donated nonius code.
- *
- * Distributed under the Boost Software License, Version 1.0. (See accompanying
- * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- */
-
-#include "catch.hpp"
-#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
-namespace {
- struct manual_clock {
- public:
- using duration = std::chrono::nanoseconds;
- using time_point = std::chrono::time_point<manual_clock, duration>;
- using rep = duration::rep;
- using period = duration::period;
- enum { is_steady = true };
-
- static time_point now() {
- return time_point(duration(tick()));
- }
-
- static void advance(int ticks = 1) {
- tick() += ticks;
- }
-
- private:
- static rep& tick() {
- static rep the_tick = 0;
- return the_tick;
- }
- };
-
- struct counting_clock {
- public:
- using duration = std::chrono::nanoseconds;
- using time_point = std::chrono::time_point<counting_clock, duration>;
- using rep = duration::rep;
- using period = duration::period;
- enum { is_steady = true };
-
- static time_point now() {
- static rep ticks = 0;
- return time_point(duration(ticks += rate()));
- }
-
- static void set_rate(rep new_rate) { rate() = new_rate; }
-
- private:
- static rep& rate() {
- static rep the_rate = 1;
- return the_rate;
- }
- };
-
- struct TestChronometerModel : Catch::Benchmark::Detail::ChronometerConcept {
- int started = 0;
- int finished = 0;
-
- void start() override { ++started; }
- void finish() override { ++finished; }
- };
-} // namespace
-
-TEST_CASE("warmup", "[benchmark]") {
- auto rate = 1000;
- counting_clock::set_rate(rate);
-
- auto start = counting_clock::now();
- auto iterations = Catch::Benchmark::Detail::warmup<counting_clock>();
- auto end = counting_clock::now();
-
- REQUIRE((iterations * rate) > Catch::Benchmark::Detail::warmup_time.count());
- REQUIRE((end - start) > Catch::Benchmark::Detail::warmup_time);
-}
-
-TEST_CASE("resolution", "[benchmark]") {
- auto rate = 1000;
- counting_clock::set_rate(rate);
-
- size_t count = 10;
- auto res = Catch::Benchmark::Detail::resolution<counting_clock>(static_cast<int>(count));
-
- REQUIRE(res.size() == count);
-
- for (size_t i = 1; i < count; ++i) {
- REQUIRE(res[i] == rate);
- }
-}
-
-TEST_CASE("estimate_clock_resolution", "[benchmark]") {
- auto rate = 1000;
- counting_clock::set_rate(rate);
-
- int iters = 160000;
- auto res = Catch::Benchmark::Detail::estimate_clock_resolution<counting_clock>(iters);
-
- REQUIRE(res.mean.count() == rate);
- REQUIRE(res.outliers.total() == 0);
-}
-
-TEST_CASE("benchmark function call", "[benchmark]") {
- SECTION("without chronometer") {
- auto called = 0;
- auto model = TestChronometerModel{};
- auto meter = Catch::Benchmark::Chronometer{ model, 1 };
- auto fn = Catch::Benchmark::Detail::BenchmarkFunction{ [&] {
- CHECK(model.started == 1);
- CHECK(model.finished == 0);
- ++called;
- } };
-
- fn(meter);
-
- CHECK(model.started == 1);
- CHECK(model.finished == 1);
- CHECK(called == 1);
- }
-
- SECTION("with chronometer") {
- auto called = 0;
- auto model = TestChronometerModel{};
- auto meter = Catch::Benchmark::Chronometer{ model, 1 };
- auto fn = Catch::Benchmark::Detail::BenchmarkFunction{ [&](Catch::Benchmark::Chronometer) {
- CHECK(model.started == 0);
- CHECK(model.finished == 0);
- ++called;
- } };
-
- fn(meter);
-
- CHECK(model.started == 0);
- CHECK(model.finished == 0);
- CHECK(called == 1);
- }
-}
-
-TEST_CASE("uniform samples", "[benchmark]") {
- std::vector<double> samples(100);
- std::fill(samples.begin(), samples.end(), 23);
-
- using it = std::vector<double>::iterator;
- auto e = Catch::Benchmark::Detail::bootstrap(0.95, samples.begin(), samples.end(), samples, [](it a, it b) {
- auto sum = std::accumulate(a, b, 0.);
- return sum / (b - a);
- });
- CHECK(e.point == 23);
- CHECK(e.upper_bound == 23);
- CHECK(e.lower_bound == 23);
- CHECK(e.confidence_interval == 0.95);
-}
-
-
-TEST_CASE("normal_cdf", "[benchmark]") {
- using Catch::Benchmark::Detail::normal_cdf;
- CHECK(normal_cdf(0.000000) == Approx(0.50000000000000000));
- CHECK(normal_cdf(1.000000) == Approx(0.84134474606854293));
- CHECK(normal_cdf(-1.000000) == Approx(0.15865525393145705));
- CHECK(normal_cdf(2.809729) == Approx(0.99752083845315409));
- CHECK(normal_cdf(-1.352570) == Approx(0.08809652095066035));
-}
-
-TEST_CASE("erfc_inv", "[benchmark]") {
- using Catch::Benchmark::Detail::erfc_inv;
- CHECK(erfc_inv(1.103560) == Approx(-0.09203687623843015));
- CHECK(erfc_inv(1.067400) == Approx(-0.05980291115763361));
- CHECK(erfc_inv(0.050000) == Approx(1.38590382434967796));
-}
-
-TEST_CASE("normal_quantile", "[benchmark]") {
- using Catch::Benchmark::Detail::normal_quantile;
- CHECK(normal_quantile(0.551780) == Approx(0.13015979861484198));
- CHECK(normal_quantile(0.533700) == Approx(0.08457408802851875));
- CHECK(normal_quantile(0.025000) == Approx(-1.95996398454005449));
-}
-
-
-TEST_CASE("mean", "[benchmark]") {
- std::vector<double> x{ 10., 20., 14., 16., 30., 24. };
-
- auto m = Catch::Benchmark::Detail::mean(x.begin(), x.end());
-
- REQUIRE(m == 19.);
-}
-
-TEST_CASE("weighted_average_quantile", "[benchmark]") {
- std::vector<double> x{ 10., 20., 14., 16., 30., 24. };
-
- auto q1 = Catch::Benchmark::Detail::weighted_average_quantile(1, 4, x.begin(), x.end());
- auto med = Catch::Benchmark::Detail::weighted_average_quantile(1, 2, x.begin(), x.end());
- auto q3 = Catch::Benchmark::Detail::weighted_average_quantile(3, 4, x.begin(), x.end());
-
- REQUIRE(q1 == 14.5);
- REQUIRE(med == 18.);
- REQUIRE(q3 == 23.);
-}
-
-TEST_CASE("classify_outliers", "[benchmark]") {
- auto require_outliers = [](Catch::Benchmark::OutlierClassification o, int los, int lom, int him, int his) {
- REQUIRE(o.low_severe == los);
- REQUIRE(o.low_mild == lom);
- REQUIRE(o.high_mild == him);
- REQUIRE(o.high_severe == his);
- REQUIRE(o.total() == los + lom + him + his);
- };
-
- SECTION("none") {
- std::vector<double> x{ 10., 20., 14., 16., 30., 24. };
-
- auto o = Catch::Benchmark::Detail::classify_outliers(x.begin(), x.end());
-
- REQUIRE(o.samples_seen == static_cast<int>(x.size()));
- require_outliers(o, 0, 0, 0, 0);
- }
- SECTION("low severe") {
- std::vector<double> x{ -12., 20., 14., 16., 30., 24. };
-
- auto o = Catch::Benchmark::Detail::classify_outliers(x.begin(), x.end());
-
- REQUIRE(o.samples_seen == static_cast<int>(x.size()));
- require_outliers(o, 1, 0, 0, 0);
- }
- SECTION("low mild") {
- std::vector<double> x{ 1., 20., 14., 16., 30., 24. };
-
- auto o = Catch::Benchmark::Detail::classify_outliers(x.begin(), x.end());
-
- REQUIRE(o.samples_seen == static_cast<int>(x.size()));
- require_outliers(o, 0, 1, 0, 0);
- }
- SECTION("high mild") {
- std::vector<double> x{ 10., 20., 14., 16., 36., 24. };
-
- auto o = Catch::Benchmark::Detail::classify_outliers(x.begin(), x.end());
-
- REQUIRE(o.samples_seen == static_cast<int>(x.size()));
- require_outliers(o, 0, 0, 1, 0);
- }
- SECTION("high severe") {
- std::vector<double> x{ 10., 20., 14., 16., 49., 24. };
-
- auto o = Catch::Benchmark::Detail::classify_outliers(x.begin(), x.end());
-
- REQUIRE(o.samples_seen == static_cast<int>(x.size()));
- require_outliers(o, 0, 0, 0, 1);
- }
- SECTION("mixed") {
- std::vector<double> x{ -20., 20., 14., 16., 39., 24. };
-
- auto o = Catch::Benchmark::Detail::classify_outliers(x.begin(), x.end());
-
- REQUIRE(o.samples_seen == static_cast<int>(x.size()));
- require_outliers(o, 1, 0, 1, 0);
- }
-}
-
-TEST_CASE("analyse", "[benchmark]") {
- Catch::ConfigData data{};
- data.benchmarkConfidenceInterval = 0.95;
- data.benchmarkNoAnalysis = false;
- data.benchmarkResamples = 1000;
- data.benchmarkSamples = 99;
- Catch::Config config{data};
-
- using Duration = Catch::Benchmark::FloatDuration<Catch::Benchmark::default_clock>;
-
- Catch::Benchmark::Environment<Duration> env;
- std::vector<Duration> samples(99);
- for (size_t i = 0; i < samples.size(); ++i) {
- samples[i] = Duration(23 + (i % 3 - 1));
- }
-
- auto analysis = Catch::Benchmark::Detail::analyse(config, env, samples.begin(), samples.end());
- CHECK(analysis.mean.point.count() == 23);
- CHECK(analysis.mean.lower_bound.count() < 23);
- CHECK(analysis.mean.lower_bound.count() > 22);
- CHECK(analysis.mean.upper_bound.count() > 23);
- CHECK(analysis.mean.upper_bound.count() < 24);
-
- CHECK(analysis.standard_deviation.point.count() > 0.5);
- CHECK(analysis.standard_deviation.point.count() < 1);
- CHECK(analysis.standard_deviation.lower_bound.count() > 0.5);
- CHECK(analysis.standard_deviation.lower_bound.count() < 1);
- CHECK(analysis.standard_deviation.upper_bound.count() > 0.5);
- CHECK(analysis.standard_deviation.upper_bound.count() < 1);
-
- CHECK(analysis.outliers.total() == 0);
- CHECK(analysis.outliers.low_mild == 0);
- CHECK(analysis.outliers.low_severe == 0);
- CHECK(analysis.outliers.high_mild == 0);
- CHECK(analysis.outliers.high_severe == 0);
- CHECK(analysis.outliers.samples_seen == samples.size());
-
- CHECK(analysis.outlier_variance < 0.5);
- CHECK(analysis.outlier_variance > 0);
-}
-
-TEST_CASE("analyse no analysis", "[benchmark]") {
- Catch::ConfigData data{};
- data.benchmarkConfidenceInterval = 0.95;
- data.benchmarkNoAnalysis = true;
- data.benchmarkResamples = 1000;
- data.benchmarkSamples = 99;
- Catch::Config config{ data };
-
- using Duration = Catch::Benchmark::FloatDuration<Catch::Benchmark::default_clock>;
-
- Catch::Benchmark::Environment<Duration> env;
- std::vector<Duration> samples(99);
- for (size_t i = 0; i < samples.size(); ++i) {
- samples[i] = Duration(23 + (i % 3 - 1));
- }
-
- auto analysis = Catch::Benchmark::Detail::analyse(config, env, samples.begin(), samples.end());
- CHECK(analysis.mean.point.count() == 23);
- CHECK(analysis.mean.lower_bound.count() == 23);
- CHECK(analysis.mean.upper_bound.count() == 23);
-
- CHECK(analysis.standard_deviation.point.count() == 0);
- CHECK(analysis.standard_deviation.lower_bound.count() == 0);
- CHECK(analysis.standard_deviation.upper_bound.count() == 0);
-
- CHECK(analysis.outliers.total() == 0);
- CHECK(analysis.outliers.low_mild == 0);
- CHECK(analysis.outliers.low_severe == 0);
- CHECK(analysis.outliers.high_mild == 0);
- CHECK(analysis.outliers.high_severe == 0);
- CHECK(analysis.outliers.samples_seen == 0);
-
- CHECK(analysis.outlier_variance == 0);
-}
-
-TEST_CASE("run_for_at_least, int", "[benchmark]") {
- manual_clock::duration time(100);
-
- int old_x = 1;
- auto Timing = Catch::Benchmark::Detail::run_for_at_least<manual_clock>(time, 1, [&old_x](int x) -> int {
- CHECK(x >= old_x);
- manual_clock::advance(x);
- old_x = x;
- return x + 17;
- });
-
- REQUIRE(Timing.elapsed >= time);
- REQUIRE(Timing.result == Timing.iterations + 17);
- REQUIRE(Timing.iterations >= time.count());
-}
-
-TEST_CASE("run_for_at_least, chronometer", "[benchmark]") {
- manual_clock::duration time(100);
-
- int old_runs = 1;
- auto Timing = Catch::Benchmark::Detail::run_for_at_least<manual_clock>(time, 1, [&old_runs](Catch::Benchmark::Chronometer meter) -> int {
- CHECK(meter.runs() >= old_runs);
- manual_clock::advance(100);
- meter.measure([] {
- manual_clock::advance(1);
- });
- old_runs = meter.runs();
- return meter.runs() + 17;
- });
-
- REQUIRE(Timing.elapsed >= time);
- REQUIRE(Timing.result == Timing.iterations + 17);
- REQUIRE(Timing.iterations >= time.count());
-}
-
-
-TEST_CASE("measure", "[benchmark]") {
- auto r = Catch::Benchmark::Detail::measure<manual_clock>([](int x) -> int {
- CHECK(x == 17);
- manual_clock::advance(42);
- return 23;
- }, 17);
- auto s = Catch::Benchmark::Detail::measure<manual_clock>([](int x) -> int {
- CHECK(x == 23);
- manual_clock::advance(69);
- return 17;
- }, 23);
-
- CHECK(r.elapsed.count() == 42);
- CHECK(r.result == 23);
- CHECK(r.iterations == 1);
-
- CHECK(s.elapsed.count() == 69);
- CHECK(s.result == 17);
- CHECK(s.iterations == 1);
-}
-
-TEST_CASE("run benchmark", "[benchmark]") {
- counting_clock::set_rate(1000);
- auto start = counting_clock::now();
-
- Catch::Benchmark::Benchmark bench{ "Test Benchmark", [](Catch::Benchmark::Chronometer meter) {
- counting_clock::set_rate(100000);
- meter.measure([] { return counting_clock::now(); });
- } };
-
- bench.run<counting_clock>();
- auto end = counting_clock::now();
-
- CHECK((end - start).count() == 2867251000);
-}
-#endif // CATCH_CONFIG_ENABLE_BENCHMARKING
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-30 11:32:12 +0000