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