forked from OSchip/llvm-project
1038 lines
32 KiB
C++
1038 lines
32 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <algorithm>
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#include <cstdint>
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#include <map>
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#include <random>
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#include <vector>
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#include "CartesianBenchmarks.h"
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#include "benchmark/benchmark.h"
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#include "test_macros.h"
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// When VALIDATE is defined the benchmark will run to validate the benchmarks.
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// The time taken by several operations depend on whether or not an element
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// exists. To avoid errors in the benchmark these operations have a validation
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// mode to test the benchmark. Since they are not meant to be benchmarked the
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// number of sizes tested is limited to 1.
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//#define VALIDATE
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namespace {
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enum class Mode { Hit, Miss };
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struct AllModes : EnumValuesAsTuple<AllModes, Mode, 2> {
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static constexpr const char* Names[] = {"ExistingElement", "NewElement"};
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};
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// The positions of the hints to pick:
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// - Begin picks the first item. The item cannot be put before this element.
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// - Thrid picks the third item. This is just an element with a valid entry
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// before and after it.
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// - Correct contains the correct hint.
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// - End contains a hint to the end of the map.
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enum class Hint { Begin, Third, Correct, End };
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struct AllHints : EnumValuesAsTuple<AllHints, Hint, 4> {
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static constexpr const char* Names[] = {"Begin", "Third", "Correct", "End"};
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};
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enum class Order { Sorted, Random };
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struct AllOrders : EnumValuesAsTuple<AllOrders, Order, 2> {
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static constexpr const char* Names[] = {"Sorted", "Random"};
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};
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struct TestSets {
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std::vector<uint64_t> Keys;
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std::vector<std::map<uint64_t, int64_t> > Maps;
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std::vector<
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std::vector<typename std::map<uint64_t, int64_t>::const_iterator> >
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Hints;
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};
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enum class Shuffle { None, Keys, Hints };
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TestSets makeTestingSets(size_t MapSize, Mode mode, Shuffle shuffle,
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size_t max_maps) {
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/*
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* The shuffle does not retain the random number generator to use the same
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* set of random numbers for every iteration.
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*/
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TestSets R;
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int MapCount = std::min(max_maps, 1000000 / MapSize);
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for (uint64_t I = 0; I < MapSize; ++I) {
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R.Keys.push_back(mode == Mode::Hit ? 2 * I + 2 : 2 * I + 1);
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}
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if (shuffle == Shuffle::Keys)
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std::shuffle(R.Keys.begin(), R.Keys.end(), std::mt19937());
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for (int M = 0; M < MapCount; ++M) {
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auto& map = R.Maps.emplace_back();
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auto& hints = R.Hints.emplace_back();
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for (uint64_t I = 0; I < MapSize; ++I) {
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hints.push_back(map.insert(std::make_pair(2 * I + 2, 0)).first);
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}
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if (shuffle == Shuffle::Hints)
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std::shuffle(hints.begin(), hints.end(), std::mt19937());
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}
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return R;
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}
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struct Base {
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size_t MapSize;
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Base(size_t T) : MapSize(T) {}
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std::string baseName() const { return "_MapSize=" + std::to_string(MapSize); }
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};
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//*******************************************************************|
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// Member functions |
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//*******************************************************************|
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struct ConstructorDefault {
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void run(benchmark::State& State) const {
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for (auto _ : State) {
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benchmark::DoNotOptimize(std::map<uint64_t, int64_t>());
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}
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}
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std::string name() const { return "BM_ConstructorDefault"; }
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};
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struct ConstructorIterator : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1);
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auto& Map = Data.Maps.front();
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while (State.KeepRunningBatch(MapSize)) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(
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std::map<uint64_t, int64_t>(Map.begin(), Map.end()));
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#else
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std::map<uint64_t, int64_t> M{Map.begin(), Map.end()};
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if (M != Map)
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State.SkipWithError("Map copy not identical");
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#endif
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}
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}
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std::string name() const { return "BM_ConstructorIterator" + baseName(); }
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};
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struct ConstructorCopy : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1);
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auto& Map = Data.Maps.front();
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while (State.KeepRunningBatch(MapSize)) {
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#ifndef VALIDATE
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std::map<uint64_t, int64_t> M(Map);
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benchmark::DoNotOptimize(M);
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#else
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std::map<uint64_t, int64_t> M(Map);
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if (M != Map)
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State.SkipWithError("Map copy not identical");
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#endif
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}
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}
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std::string name() const { return "BM_ConstructorCopy" + baseName(); }
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};
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struct ConstructorMove : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (auto& Map : Data.Maps) {
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std::map<uint64_t, int64_t> M(std::move(Map));
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benchmark::DoNotOptimize(M);
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1000);
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State.ResumeTiming();
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}
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}
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std::string name() const { return "BM_ConstructorMove" + baseName(); }
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};
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//*******************************************************************|
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// Capacity |
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//*******************************************************************|
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struct Empty : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1);
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auto& Map = Data.Maps.front();
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for (auto _ : State) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.empty());
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#else
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if (Map.empty())
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State.SkipWithError("Map contains an invalid number of elements.");
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#endif
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}
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}
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std::string name() const { return "BM_Empty" + baseName(); }
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};
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struct Size : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1);
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auto& Map = Data.Maps.front();
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for (auto _ : State) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.size());
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#else
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if (Map.size() != MapSize)
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State.SkipWithError("Map contains an invalid number of elements.");
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#endif
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}
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}
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std::string name() const { return "BM_Size" + baseName(); }
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};
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//*******************************************************************|
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// Modifiers |
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//*******************************************************************|
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struct Clear : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (auto& Map : Data.Maps) {
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Map.clear();
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benchmark::DoNotOptimize(Map);
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1000);
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State.ResumeTiming();
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}
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}
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std::string name() const { return "BM_Clear" + baseName(); }
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};
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template <class Mode, class Order>
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struct Insert : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(
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MapSize, Mode(),
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Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (auto& Map : Data.Maps) {
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for (auto K : Data.Keys) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.insert(std::make_pair(K, 1)));
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#else
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bool Inserted = Map.insert(std::make_pair(K, 1)).second;
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if (Mode() == ::Mode::Hit) {
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if (Inserted)
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State.SkipWithError("Inserted a duplicate element");
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} else {
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if (!Inserted)
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State.SkipWithError("Failed to insert e new element");
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}
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#endif
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}
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode(),
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Order::value == ::Order::Random ? Shuffle::Keys
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: Shuffle::None,
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1000);
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State.ResumeTiming();
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}
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}
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std::string name() const {
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return "BM_Insert" + baseName() + Mode::name() + Order::name();
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}
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};
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template <class Mode, class Hint>
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struct InsertHint : Base {
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using Base::Base;
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template < ::Hint hint>
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typename std::enable_if<hint == ::Hint::Correct>::type
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run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (size_t I = 0; I < Data.Maps.size(); ++I) {
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auto& Map = Data.Maps[I];
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auto H = Data.Hints[I].begin();
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for (auto K : Data.Keys) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.insert(*H, std::make_pair(K, 1)));
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#else
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auto Inserted = Map.insert(*H, std::make_pair(K, 1));
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if (Mode() == ::Mode::Hit) {
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if (Inserted != *H)
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State.SkipWithError("Inserted a duplicate element");
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} else {
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if (++Inserted != *H)
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State.SkipWithError("Failed to insert a new element");
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}
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#endif
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++H;
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}
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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State.ResumeTiming();
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}
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}
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template < ::Hint hint>
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typename std::enable_if<hint != ::Hint::Correct>::type
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run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (size_t I = 0; I < Data.Maps.size(); ++I) {
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auto& Map = Data.Maps[I];
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auto Third = *(Data.Hints[I].begin() + 2);
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for (auto K : Data.Keys) {
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auto Itor = hint == ::Hint::Begin
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? Map.begin()
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: hint == ::Hint::Third ? Third : Map.end();
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.insert(Itor, std::make_pair(K, 1)));
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#else
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size_t Size = Map.size();
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Map.insert(Itor, std::make_pair(K, 1));
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if (Mode() == ::Mode::Hit) {
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if (Size != Map.size())
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State.SkipWithError("Inserted a duplicate element");
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} else {
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if (Size + 1 != Map.size())
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State.SkipWithError("Failed to insert a new element");
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}
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#endif
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}
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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State.ResumeTiming();
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}
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}
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void run(benchmark::State& State) const {
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static constexpr auto h = Hint();
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run<h>(State);
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}
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std::string name() const {
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return "BM_InsertHint" + baseName() + Mode::name() + Hint::name();
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}
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};
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template <class Mode, class Order>
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struct InsertAssign : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(
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MapSize, Mode(),
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Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (auto& Map : Data.Maps) {
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for (auto K : Data.Keys) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.insert_or_assign(K, 1));
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#else
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bool Inserted = Map.insert_or_assign(K, 1).second;
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if (Mode() == ::Mode::Hit) {
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if (Inserted)
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State.SkipWithError("Inserted a duplicate element");
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} else {
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if (!Inserted)
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State.SkipWithError("Failed to insert e new element");
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}
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#endif
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}
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode(),
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Order::value == ::Order::Random ? Shuffle::Keys
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: Shuffle::None,
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1000);
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State.ResumeTiming();
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}
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}
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std::string name() const {
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return "BM_InsertAssign" + baseName() + Mode::name() + Order::name();
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}
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};
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template <class Mode, class Hint>
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struct InsertAssignHint : Base {
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using Base::Base;
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template < ::Hint hint>
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typename std::enable_if<hint == ::Hint::Correct>::type
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run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (size_t I = 0; I < Data.Maps.size(); ++I) {
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auto& Map = Data.Maps[I];
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auto H = Data.Hints[I].begin();
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for (auto K : Data.Keys) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.insert_or_assign(*H, K, 1));
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#else
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auto Inserted = Map.insert_or_assign(*H, K, 1);
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if (Mode() == ::Mode::Hit) {
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if (Inserted != *H)
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State.SkipWithError("Inserted a duplicate element");
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} else {
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if (++Inserted != *H)
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State.SkipWithError("Failed to insert a new element");
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}
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#endif
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++H;
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}
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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State.ResumeTiming();
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}
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}
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template < ::Hint hint>
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typename std::enable_if<hint != ::Hint::Correct>::type
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run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (size_t I = 0; I < Data.Maps.size(); ++I) {
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auto& Map = Data.Maps[I];
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auto Third = *(Data.Hints[I].begin() + 2);
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for (auto K : Data.Keys) {
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auto Itor = hint == ::Hint::Begin
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? Map.begin()
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: hint == ::Hint::Third ? Third : Map.end();
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.insert_or_assign(Itor, K, 1));
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#else
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size_t Size = Map.size();
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Map.insert_or_assign(Itor, K, 1);
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if (Mode() == ::Mode::Hit) {
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if (Size != Map.size())
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State.SkipWithError("Inserted a duplicate element");
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} else {
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if (Size + 1 != Map.size())
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State.SkipWithError("Failed to insert a new element");
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}
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#endif
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}
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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State.ResumeTiming();
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}
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}
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void run(benchmark::State& State) const {
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static constexpr auto h = Hint();
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run<h>(State);
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}
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std::string name() const {
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return "BM_InsertAssignHint" + baseName() + Mode::name() + Hint::name();
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}
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};
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template <class Mode, class Order>
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struct Emplace : Base {
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using Base::Base;
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void run(benchmark::State& State) const {
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auto Data = makeTestingSets(
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MapSize, Mode(),
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Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (auto& Map : Data.Maps) {
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for (auto K : Data.Keys) {
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#ifndef VALIDATE
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benchmark::DoNotOptimize(Map.emplace(K, 1));
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#else
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bool Inserted = Map.emplace(K, 1).second;
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if (Mode() == ::Mode::Hit) {
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if (Inserted)
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State.SkipWithError("Emplaced a duplicate element");
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} else {
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if (!Inserted)
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State.SkipWithError("Failed to emplace a new element");
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}
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#endif
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}
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}
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State.PauseTiming();
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Data = makeTestingSets(MapSize, Mode(),
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Order::value == ::Order::Random ? Shuffle::Keys
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: Shuffle::None,
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1000);
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State.ResumeTiming();
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}
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}
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std::string name() const {
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return "BM_Emplace" + baseName() + Mode::name() + Order::name();
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}
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};
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template <class Mode, class Hint>
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struct EmplaceHint : Base {
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using Base::Base;
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template < ::Hint hint>
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typename std::enable_if<hint == ::Hint::Correct>::type
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run(benchmark::State& State) const {
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auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
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while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
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for (size_t I = 0; I < Data.Maps.size(); ++I) {
|
|
auto& Map = Data.Maps[I];
|
|
auto H = Data.Hints[I].begin();
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.emplace_hint(*H, K, 1));
|
|
#else
|
|
auto Inserted = Map.emplace_hint(*H, K, 1);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (Inserted != *H)
|
|
State.SkipWithError("Emplaced a duplicate element");
|
|
} else {
|
|
if (++Inserted != *H)
|
|
State.SkipWithError("Failed to emplace a new element");
|
|
}
|
|
#endif
|
|
++H;
|
|
}
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
template < ::Hint hint>
|
|
typename std::enable_if<hint != ::Hint::Correct>::type
|
|
run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
|
|
while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
|
|
for (size_t I = 0; I < Data.Maps.size(); ++I) {
|
|
auto& Map = Data.Maps[I];
|
|
auto Third = *(Data.Hints[I].begin() + 2);
|
|
for (auto K : Data.Keys) {
|
|
auto Itor = hint == ::Hint::Begin
|
|
? Map.begin()
|
|
: hint == ::Hint::Third ? Third : Map.end();
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.emplace_hint(Itor, K, 1));
|
|
#else
|
|
size_t Size = Map.size();
|
|
Map.emplace_hint(Itor, K, 1);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (Size != Map.size())
|
|
State.SkipWithError("Emplaced a duplicate element");
|
|
} else {
|
|
if (Size + 1 != Map.size())
|
|
State.SkipWithError("Failed to emplace a new element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
void run(benchmark::State& State) const {
|
|
static constexpr auto h = Hint();
|
|
run<h>(State);
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_EmplaceHint" + baseName() + Mode::name() + Hint::name();
|
|
}
|
|
};
|
|
|
|
template <class Mode, class Order>
|
|
struct TryEmplace : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1000);
|
|
while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
|
|
for (auto& Map : Data.Maps) {
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.try_emplace(K, 1));
|
|
#else
|
|
bool Inserted = Map.try_emplace(K, 1).second;
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (Inserted)
|
|
State.SkipWithError("Emplaced a duplicate element");
|
|
} else {
|
|
if (!Inserted)
|
|
State.SkipWithError("Failed to emplace a new element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys
|
|
: Shuffle::None,
|
|
1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_TryEmplace" + baseName() + Mode::name() + Order::name();
|
|
}
|
|
};
|
|
|
|
template <class Mode, class Hint>
|
|
struct TryEmplaceHint : Base {
|
|
using Base::Base;
|
|
|
|
template < ::Hint hint>
|
|
typename std::enable_if<hint == ::Hint::Correct>::type
|
|
run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
|
|
while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
|
|
for (size_t I = 0; I < Data.Maps.size(); ++I) {
|
|
auto& Map = Data.Maps[I];
|
|
auto H = Data.Hints[I].begin();
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.try_emplace(*H, K, 1));
|
|
#else
|
|
auto Inserted = Map.try_emplace(*H, K, 1);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (Inserted != *H)
|
|
State.SkipWithError("Emplaced a duplicate element");
|
|
} else {
|
|
if (++Inserted != *H)
|
|
State.SkipWithError("Failed to emplace a new element");
|
|
}
|
|
#endif
|
|
++H;
|
|
}
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
template < ::Hint hint>
|
|
typename std::enable_if<hint != ::Hint::Correct>::type
|
|
run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
|
|
while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
|
|
for (size_t I = 0; I < Data.Maps.size(); ++I) {
|
|
auto& Map = Data.Maps[I];
|
|
auto Third = *(Data.Hints[I].begin() + 2);
|
|
for (auto K : Data.Keys) {
|
|
auto Itor = hint == ::Hint::Begin
|
|
? Map.begin()
|
|
: hint == ::Hint::Third ? Third : Map.end();
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.try_emplace(Itor, K, 1));
|
|
#else
|
|
size_t Size = Map.size();
|
|
Map.try_emplace(Itor, K, 1);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (Size != Map.size())
|
|
State.SkipWithError("Emplaced a duplicate element");
|
|
} else {
|
|
if (Size + 1 != Map.size())
|
|
State.SkipWithError("Failed to emplace a new element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode(), Shuffle::None, 1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
void run(benchmark::State& State) const {
|
|
static constexpr auto h = Hint();
|
|
run<h>(State);
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_TryEmplaceHint" + baseName() + Mode::name() + Hint::name();
|
|
}
|
|
};
|
|
|
|
template <class Mode, class Order>
|
|
struct Erase : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1000);
|
|
while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
|
|
for (auto& Map : Data.Maps) {
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.erase(K));
|
|
#else
|
|
size_t I = Map.erase(K);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (I == 0)
|
|
State.SkipWithError("Did not find the existing element");
|
|
} else {
|
|
if (I == 1)
|
|
State.SkipWithError("Did find the non-existing element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys
|
|
: Shuffle::None,
|
|
1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_Erase" + baseName() + Mode::name() + Order::name();
|
|
}
|
|
};
|
|
|
|
template <class Order>
|
|
struct EraseIterator : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode::Hit,
|
|
Order::value == ::Order::Random ? Shuffle::Hints : Shuffle::None, 1000);
|
|
while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
|
|
for (size_t I = 0; I < Data.Maps.size(); ++I) {
|
|
auto& Map = Data.Maps[I];
|
|
for (auto H : Data.Hints[I]) {
|
|
benchmark::DoNotOptimize(Map.erase(H));
|
|
}
|
|
#ifdef VALIDATE
|
|
if (!Map.empty())
|
|
State.SkipWithError("Did not erase the entire map");
|
|
#endif
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode::Hit,
|
|
Order::value == ::Order::Random ? Shuffle::Hints
|
|
: Shuffle::None,
|
|
1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_EraseIterator" + baseName() + Order::name();
|
|
}
|
|
};
|
|
|
|
struct EraseRange : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1000);
|
|
while (State.KeepRunningBatch(MapSize * Data.Maps.size())) {
|
|
for (auto& Map : Data.Maps) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.erase(Map.begin(), Map.end()));
|
|
#else
|
|
Map.erase(Map.begin(), Map.end());
|
|
if (!Map.empty())
|
|
State.SkipWithError("Did not erase the entire map");
|
|
#endif
|
|
}
|
|
|
|
State.PauseTiming();
|
|
Data = makeTestingSets(MapSize, Mode::Hit, Shuffle::None, 1000);
|
|
State.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
std::string name() const { return "BM_EraseRange" + baseName(); }
|
|
};
|
|
|
|
//*******************************************************************|
|
|
// Lookup |
|
|
//*******************************************************************|
|
|
|
|
template <class Mode, class Order>
|
|
struct Count : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1);
|
|
auto& Map = Data.Maps.front();
|
|
while (State.KeepRunningBatch(MapSize)) {
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.count(K));
|
|
#else
|
|
size_t I = Map.count(K);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (I == 0)
|
|
State.SkipWithError("Did not find the existing element");
|
|
} else {
|
|
if (I == 1)
|
|
State.SkipWithError("Did find the non-existing element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_Count" + baseName() + Mode::name() + Order::name();
|
|
}
|
|
};
|
|
|
|
template <class Mode, class Order>
|
|
struct Find : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1);
|
|
auto& Map = Data.Maps.front();
|
|
while (State.KeepRunningBatch(MapSize)) {
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.find(K));
|
|
#else
|
|
auto Itor = Map.find(K);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (Itor == Map.end())
|
|
State.SkipWithError("Did not find the existing element");
|
|
} else {
|
|
if (Itor != Map.end())
|
|
State.SkipWithError("Did find the non-existing element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_Find" + baseName() + Mode::name() + Order::name();
|
|
}
|
|
};
|
|
|
|
template <class Mode, class Order>
|
|
struct EqualRange : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1);
|
|
auto& Map = Data.Maps.front();
|
|
while (State.KeepRunningBatch(MapSize)) {
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.equal_range(K));
|
|
#else
|
|
auto Range = Map.equal_range(K);
|
|
if (Mode() == ::Mode::Hit) {
|
|
// Adjust validation for the last element.
|
|
auto Key = K;
|
|
if (Range.second == Map.end() && K == 2 * MapSize) {
|
|
--Range.second;
|
|
Key -= 2;
|
|
}
|
|
if (Range.first == Map.end() || Range.first->first != K ||
|
|
Range.second == Map.end() || Range.second->first - 2 != Key)
|
|
State.SkipWithError("Did not find the existing element");
|
|
} else {
|
|
if (Range.first == Map.end() || Range.first->first - 1 != K ||
|
|
Range.second == Map.end() || Range.second->first - 1 != K)
|
|
State.SkipWithError("Did find the non-existing element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_EqualRange" + baseName() + Mode::name() + Order::name();
|
|
}
|
|
};
|
|
|
|
template <class Mode, class Order>
|
|
struct LowerBound : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1);
|
|
auto& Map = Data.Maps.front();
|
|
while (State.KeepRunningBatch(MapSize)) {
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.lower_bound(K));
|
|
#else
|
|
auto Itor = Map.lower_bound(K);
|
|
if (Mode() == ::Mode::Hit) {
|
|
if (Itor == Map.end() || Itor->first != K)
|
|
State.SkipWithError("Did not find the existing element");
|
|
} else {
|
|
if (Itor == Map.end() || Itor->first - 1 != K)
|
|
State.SkipWithError("Did find the non-existing element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_LowerBound" + baseName() + Mode::name() + Order::name();
|
|
}
|
|
};
|
|
|
|
template <class Mode, class Order>
|
|
struct UpperBound : Base {
|
|
using Base::Base;
|
|
|
|
void run(benchmark::State& State) const {
|
|
auto Data = makeTestingSets(
|
|
MapSize, Mode(),
|
|
Order::value == ::Order::Random ? Shuffle::Keys : Shuffle::None, 1);
|
|
auto& Map = Data.Maps.front();
|
|
while (State.KeepRunningBatch(MapSize)) {
|
|
for (auto K : Data.Keys) {
|
|
#ifndef VALIDATE
|
|
benchmark::DoNotOptimize(Map.upper_bound(K));
|
|
#else
|
|
std::map<uint64_t, int64_t>::iterator Itor = Map.upper_bound(K);
|
|
if (Mode() == ::Mode::Hit) {
|
|
// Adjust validation for the last element.
|
|
auto Key = K;
|
|
if (Itor == Map.end() && K == 2 * MapSize) {
|
|
--Itor;
|
|
Key -= 2;
|
|
}
|
|
if (Itor == Map.end() || Itor->first - 2 != Key)
|
|
State.SkipWithError("Did not find the existing element");
|
|
} else {
|
|
if (Itor == Map.end() || Itor->first - 1 != K)
|
|
State.SkipWithError("Did find the non-existing element");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string name() const {
|
|
return "BM_UpperBound" + baseName() + Mode::name() + Order::name();
|
|
}
|
|
};
|
|
|
|
} // namespace
|
|
|
|
int main(int argc, char** argv) {
|
|
benchmark::Initialize(&argc, argv);
|
|
if (benchmark::ReportUnrecognizedArguments(argc, argv))
|
|
return 1;
|
|
|
|
#ifdef VALIDATE
|
|
const std::vector<size_t> MapSize{10};
|
|
#else
|
|
const std::vector<size_t> MapSize{10, 100, 1000, 10000, 100000, 1000000};
|
|
#endif
|
|
|
|
// Member functions
|
|
makeCartesianProductBenchmark<ConstructorDefault>();
|
|
makeCartesianProductBenchmark<ConstructorIterator>(MapSize);
|
|
makeCartesianProductBenchmark<ConstructorCopy>(MapSize);
|
|
makeCartesianProductBenchmark<ConstructorMove>(MapSize);
|
|
|
|
// Capacity
|
|
makeCartesianProductBenchmark<Empty>(MapSize);
|
|
makeCartesianProductBenchmark<Size>(MapSize);
|
|
|
|
// Modifiers
|
|
makeCartesianProductBenchmark<Clear>(MapSize);
|
|
makeCartesianProductBenchmark<Insert, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<InsertHint, AllModes, AllHints>(MapSize);
|
|
makeCartesianProductBenchmark<InsertAssign, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<InsertAssignHint, AllModes, AllHints>(MapSize);
|
|
|
|
makeCartesianProductBenchmark<Emplace, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<EmplaceHint, AllModes, AllHints>(MapSize);
|
|
makeCartesianProductBenchmark<TryEmplace, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<TryEmplaceHint, AllModes, AllHints>(MapSize);
|
|
makeCartesianProductBenchmark<Erase, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<EraseIterator, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<EraseRange>(MapSize);
|
|
|
|
// Lookup
|
|
makeCartesianProductBenchmark<Count, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<Find, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<EqualRange, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<LowerBound, AllModes, AllOrders>(MapSize);
|
|
makeCartesianProductBenchmark<UpperBound, AllModes, AllOrders>(MapSize);
|
|
|
|
benchmark::RunSpecifiedBenchmarks();
|
|
}
|