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
16 namespace {
17 template <class ValueType>
18 struct LowerBound {
19 size_t Quantity;
20
21 mutable std::mt19937_64 rng { std::random_device{}() };
22
run__anon165239aa0111::LowerBound23 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
name__anon165239aa0111::LowerBound30 std::string name() const {
31 return "BM_LowerBound" + ValueType::name() + "_" + std::to_string(Quantity);
32 }
33 };
34 } // namespace
35
main(int argc,char ** argv)36 int 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