libcxx/benchmarks/algorithms/stable_sort.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 StableSort {
  16   size_t Quantity;
  17
  18   void run(benchmark::State& state) const {
  19     runOpOnCopies<ValueType>(state, Quantity, Order(), BatchSize::CountBatch, [](auto& Copy) {
  20       std::stable_sort(Copy.begin(), Copy.end());
  21     });
  22   }
  23
  24   bool skip() const { return Order() == ::Order::Heap; }
  25
  26   std::string name() const {
  27     return "BM_StableSort" + ValueType::name() + Order::name() + "_" + std::to_string(Quantity);
  28   };
  29 };
  30 } // namespace
  31
  32 int main(int argc, char** argv) {
  33   benchmark::Initialize(&argc, argv);
  34   if (benchmark::ReportUnrecognizedArguments(argc, argv))
  35     return 1;
  36   makeCartesianProductBenchmark<StableSort, AllValueTypes, AllOrders>(Quantities);
  37   benchmark::RunSpecifiedBenchmarks();
  38 }