libcxx/benchmarks/algorithms/pop_heap.bench.cpp

   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>
  15 struct PopHeap {
  16   size_t Quantity;
  17
  18   void run(benchmark::State& state) const {
  19     runOpOnCopies<ValueType>(state, Quantity, Order(), BatchSize::CountElements, [](auto& Copy) {
  20       for (auto B = Copy.begin(), I = Copy.end(); I != B; --I) {
  21         std::pop_heap(B, I);
  22       }
  23     });
  24   }
  25
  26   std::string name() const { return "BM_PopHeap" + ValueType::name() + "_" + std::to_string(Quantity); };
  27 };
  28 } // namespace
  29
  30 int main(int argc, char** argv) {
  31   benchmark::Initialize(&argc, argv);
  32   if (benchmark::ReportUnrecognizedArguments(argc, argv))
  33     return 1;
  34   makeCartesianProductBenchmark<PopHeap, AllValueTypes>(Quantities);
  35   benchmark::RunSpecifiedBenchmarks();
  36 }