#include <unordered_set> #include <vector> #include <cstdint> #include "benchmark/benchmark.h" #include "GenerateInput.hpp" constexpr std::size_t TestNumInputs = 1024; template <class GenInputs> void BM_Sort(benchmark::State& st, GenInputs gen) { using ValueType = typename decltype(gen(0))::value_type; const auto in = gen(st.range(0)); std::vector<ValueType> inputs[5]; auto reset_inputs = [&]() { for (auto& C : inputs) { C = in; benchmark::DoNotOptimize(C.data()); } }; reset_inputs(); while (st.KeepRunning()) { for (auto& I : inputs) { std::sort(I.data(), I.data() + I.size()); benchmark::DoNotOptimize(I.data()); } st.PauseTiming(); reset_inputs(); benchmark::ClobberMemory(); st.ResumeTiming(); } } BENCHMARK_CAPTURE(BM_Sort, random_uint32, getRandomIntegerInputs<uint32_t>)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, sorted_ascending_uint32, getSortedIntegerInputs<uint32_t>)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, sorted_descending_uint32, getReverseSortedIntegerInputs<uint32_t>)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, single_element_uint32, getDuplicateIntegerInputs<uint32_t>)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, pipe_organ_uint32, getPipeOrganIntegerInputs<uint32_t>)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, random_strings, getRandomStringInputs)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, sorted_ascending_strings, getSortedStringInputs)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, sorted_descending_strings, getReverseSortedStringInputs)->Arg(TestNumInputs); BENCHMARK_CAPTURE(BM_Sort, single_element_strings, getDuplicateStringInputs)->Arg(TestNumInputs); BENCHMARK_MAIN();