libcxx/benchmarks/algorithms/push_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, class Order>
  15 struct PushHeap {
  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 I = Copy.begin(), E = Copy.end(); I != E; ++I) {
  21         std::push_heap(Copy.begin(), I + 1);
  22       }
  23     });
  24   }
  25
  26   bool skip() const { return Order() == ::Order::Heap; }
  27
  28   std::string name() const {
  29     return "BM_PushHeap" + ValueType::name() + Order::name() + "_" + std::to_string(Quantity);
  30   };
  31 };
  32 } // namespace
  33
  34 int main(int argc, char** argv) {
  35   benchmark::Initialize(&argc, argv);
  36   if (benchmark::ReportUnrecognizedArguments(argc, argv))
  37     return 1;
  38   makeCartesianProductBenchmark<PushHeap, AllValueTypes, AllOrders>(Quantities);
  39   benchmark::RunSpecifiedBenchmarks();
  40 }