xref: /openbsd-src/gnu/llvm/libcxx/benchmarks/algorithms/min_max_element.bench.cpp (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
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 
11 #include "common.h"
12 
13 namespace {
14 template <class ValueType, class Order>
15 struct MinMaxElement {
16   size_t Quantity;
17 
run__anon52107de60111::MinMaxElement18   void run(benchmark::State& state) const {
19     runOpOnCopies<ValueType>(state, Quantity, Order(), BatchSize::CountElements, [](auto& Copy) {
20       benchmark::DoNotOptimize(std::minmax_element(Copy.begin(), Copy.end()));
21     });
22   }
23 
name__anon52107de60111::MinMaxElement24   std::string name() const {
25     return "BM_MinMaxElement" + ValueType::name() + Order::name() + "_" + std::to_string(Quantity);
26   }
27 };
28 } // namespace
29 
main(int argc,char ** argv)30 int main(int argc, char** argv) {
31   benchmark::Initialize(&argc, argv);
32   if (benchmark::ReportUnrecognizedArguments(argc, argv))
33     return 1;
34   makeCartesianProductBenchmark<MinMaxElement, AllValueTypes, AllOrders>(Quantities);
35   benchmark::RunSpecifiedBenchmarks();
36 }
37