1//===----------------------------------------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include <algorithm> 10#include <numeric> 11#include <random> 12#include <vector> 13 14#include "common.h" 15 16namespace { 17template <class ValueType> 18struct LowerBound { 19 size_t Quantity; 20 21 mutable std::mt19937_64 rng { std::random_device{}() }; 22 23 void run(benchmark::State& state) const { 24 runOpOnCopies<ValueType>(state, Quantity, Order::Ascending, BatchSize::CountBatch, [&](auto& Copy) { 25 auto result = std::lower_bound(Copy.begin(), Copy.end(), Copy[rng() % Copy.size()]); 26 benchmark::DoNotOptimize(result); 27 }); 28 } 29 30 std::string name() const { 31 return "BM_LowerBound" + ValueType::name() + "_" + std::to_string(Quantity); 32 } 33}; 34} // namespace 35 36int main(int argc, char** argv) { 37 benchmark::Initialize(&argc, argv); 38 if (benchmark::ReportUnrecognizedArguments(argc, argv)) 39 return 1; 40 makeCartesianProductBenchmark<LowerBound, AllValueTypes>(Quantities); 41 benchmark::RunSpecifiedBenchmarks(); 42} 43