1*4bdff4beSrobert //===----------------------------------------------------------------------===//
2*4bdff4beSrobert //
3*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information.
5*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*4bdff4beSrobert //
7*4bdff4beSrobert //===----------------------------------------------------------------------===//
8*4bdff4beSrobert
9*4bdff4beSrobert #include <algorithm>
10*4bdff4beSrobert #include <numeric>
11*4bdff4beSrobert #include <random>
12*4bdff4beSrobert #include <vector>
13*4bdff4beSrobert
14*4bdff4beSrobert #include "common.h"
15*4bdff4beSrobert
16*4bdff4beSrobert namespace {
17*4bdff4beSrobert template <class ValueType>
18*4bdff4beSrobert struct LowerBound {
19*4bdff4beSrobert size_t Quantity;
20*4bdff4beSrobert
21*4bdff4beSrobert mutable std::mt19937_64 rng { std::random_device{}() };
22*4bdff4beSrobert
run__anon6d12b9f40111::LowerBound23*4bdff4beSrobert void run(benchmark::State& state) const {
24*4bdff4beSrobert runOpOnCopies<ValueType>(state, Quantity, Order::Ascending, BatchSize::CountBatch, [&](auto& Copy) {
25*4bdff4beSrobert auto result = std::lower_bound(Copy.begin(), Copy.end(), Copy[rng() % Copy.size()]);
26*4bdff4beSrobert benchmark::DoNotOptimize(result);
27*4bdff4beSrobert });
28*4bdff4beSrobert }
29*4bdff4beSrobert
name__anon6d12b9f40111::LowerBound30*4bdff4beSrobert std::string name() const {
31*4bdff4beSrobert return "BM_LowerBound" + ValueType::name() + "_" + std::to_string(Quantity);
32*4bdff4beSrobert }
33*4bdff4beSrobert };
34*4bdff4beSrobert } // namespace
35*4bdff4beSrobert
main(int argc,char ** argv)36*4bdff4beSrobert int main(int argc, char** argv) {
37*4bdff4beSrobert benchmark::Initialize(&argc, argv);
38*4bdff4beSrobert if (benchmark::ReportUnrecognizedArguments(argc, argv))
39*4bdff4beSrobert return 1;
40*4bdff4beSrobert makeCartesianProductBenchmark<LowerBound, AllValueTypes>(Quantities);
41*4bdff4beSrobert benchmark::RunSpecifiedBenchmarks();
42*4bdff4beSrobert }
43