| #include <cassert> |
| #include <iostream> |
| #include <set> |
| #include <vector> |
| |
| #include "benchmark/benchmark.h" |
| |
| class MultipleRangesFixture : public ::benchmark::Fixture { |
| public: |
| MultipleRangesFixture() |
| : expectedValues({{1, 3, 5}, |
| {1, 3, 8}, |
| {1, 3, 15}, |
| {2, 3, 5}, |
| {2, 3, 8}, |
| {2, 3, 15}, |
| {1, 4, 5}, |
| {1, 4, 8}, |
| {1, 4, 15}, |
| {2, 4, 5}, |
| {2, 4, 8}, |
| {2, 4, 15}, |
| {1, 7, 5}, |
| {1, 7, 8}, |
| {1, 7, 15}, |
| {2, 7, 5}, |
| {2, 7, 8}, |
| {2, 7, 15}, |
| {7, 6, 3}}) {} |
| |
| void SetUp(const ::benchmark::State& state) override { |
| std::vector<int64_t> ranges = {state.range(0), state.range(1), |
| state.range(2)}; |
| |
| assert(expectedValues.find(ranges) != expectedValues.end()); |
| |
| actualValues.insert(ranges); |
| } |
| |
| // NOTE: This is not TearDown as we want to check after _all_ runs are |
| // complete. |
| ~MultipleRangesFixture() override { |
| if (actualValues != expectedValues) { |
| std::cout << "EXPECTED\n"; |
| for (const auto& v : expectedValues) { |
| std::cout << "{"; |
| for (int64_t iv : v) { |
| std::cout << iv << ", "; |
| } |
| std::cout << "}\n"; |
| } |
| std::cout << "ACTUAL\n"; |
| for (const auto& v : actualValues) { |
| std::cout << "{"; |
| for (int64_t iv : v) { |
| std::cout << iv << ", "; |
| } |
| std::cout << "}\n"; |
| } |
| } |
| } |
| |
| std::set<std::vector<int64_t>> expectedValues; |
| std::set<std::vector<int64_t>> actualValues; |
| }; |
| |
| BENCHMARK_DEFINE_F(MultipleRangesFixture, Empty)(benchmark::State& state) { |
| for (auto _ : state) { |
| int64_t product = state.range(0) * state.range(1) * state.range(2); |
| for (int64_t x = 0; x < product; x++) { |
| benchmark::DoNotOptimize(x); |
| } |
| } |
| } |
| |
| BENCHMARK_REGISTER_F(MultipleRangesFixture, Empty) |
| ->RangeMultiplier(2) |
| ->Ranges({{1, 2}, {3, 7}, {5, 15}}) |
| ->Args({7, 6, 3}); |
| |
| void BM_CheckDefaultArgument(benchmark::State& state) { |
| // Test that the 'range()' without an argument is the same as 'range(0)'. |
| assert(state.range() == state.range(0)); |
| assert(state.range() != state.range(1)); |
| for (auto _ : state) { |
| } |
| } |
| BENCHMARK(BM_CheckDefaultArgument)->Ranges({{1, 5}, {6, 10}}); |
| |
| static void BM_MultipleRanges(benchmark::State& st) { |
| for (auto _ : st) { |
| } |
| } |
| BENCHMARK(BM_MultipleRanges)->Ranges({{5, 5}, {6, 6}}); |
| |
| BENCHMARK_MAIN(); |