forked from OSchip/llvm-project
141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
// -*- C++ -*-
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef BENCHMARK_CONTAINER_BENCHMARKS_H
|
|
#define BENCHMARK_CONTAINER_BENCHMARKS_H
|
|
|
|
#include <cassert>
|
|
|
|
#include "Utilities.h"
|
|
#include "benchmark/benchmark.h"
|
|
|
|
namespace ContainerBenchmarks {
|
|
|
|
template <class Container>
|
|
void BM_ConstructSize(benchmark::State& st, Container) {
|
|
auto size = st.range(0);
|
|
for (auto _ : st) {
|
|
Container c(size);
|
|
DoNotOptimizeData(c);
|
|
}
|
|
}
|
|
|
|
template <class Container>
|
|
void BM_ConstructSizeValue(benchmark::State& st, Container, typename Container::value_type const& val) {
|
|
const auto size = st.range(0);
|
|
for (auto _ : st) {
|
|
Container c(size, val);
|
|
DoNotOptimizeData(c);
|
|
}
|
|
}
|
|
|
|
template <class Container, class GenInputs>
|
|
void BM_ConstructIterIter(benchmark::State& st, Container, GenInputs gen) {
|
|
auto in = gen(st.range(0));
|
|
const auto begin = in.begin();
|
|
const auto end = in.end();
|
|
benchmark::DoNotOptimize(&in);
|
|
while (st.KeepRunning()) {
|
|
Container c(begin, end);
|
|
DoNotOptimizeData(c);
|
|
}
|
|
}
|
|
|
|
template <class Container, class GenInputs>
|
|
void BM_InsertValue(benchmark::State& st, Container c, GenInputs gen) {
|
|
auto in = gen(st.range(0));
|
|
const auto end = in.end();
|
|
while (st.KeepRunning()) {
|
|
c.clear();
|
|
for (auto it = in.begin(); it != end; ++it) {
|
|
benchmark::DoNotOptimize(&(*c.insert(*it).first));
|
|
}
|
|
benchmark::ClobberMemory();
|
|
}
|
|
}
|
|
|
|
template <class Container, class GenInputs>
|
|
void BM_InsertValueRehash(benchmark::State& st, Container c, GenInputs gen) {
|
|
auto in = gen(st.range(0));
|
|
const auto end = in.end();
|
|
while (st.KeepRunning()) {
|
|
c.clear();
|
|
c.rehash(16);
|
|
for (auto it = in.begin(); it != end; ++it) {
|
|
benchmark::DoNotOptimize(&(*c.insert(*it).first));
|
|
}
|
|
benchmark::ClobberMemory();
|
|
}
|
|
}
|
|
|
|
|
|
template <class Container, class GenInputs>
|
|
void BM_InsertDuplicate(benchmark::State& st, Container c, GenInputs gen) {
|
|
auto in = gen(st.range(0));
|
|
const auto end = in.end();
|
|
c.insert(in.begin(), in.end());
|
|
benchmark::DoNotOptimize(&c);
|
|
benchmark::DoNotOptimize(&in);
|
|
while (st.KeepRunning()) {
|
|
for (auto it = in.begin(); it != end; ++it) {
|
|
benchmark::DoNotOptimize(&(*c.insert(*it).first));
|
|
}
|
|
benchmark::ClobberMemory();
|
|
}
|
|
}
|
|
|
|
|
|
template <class Container, class GenInputs>
|
|
void BM_EmplaceDuplicate(benchmark::State& st, Container c, GenInputs gen) {
|
|
auto in = gen(st.range(0));
|
|
const auto end = in.end();
|
|
c.insert(in.begin(), in.end());
|
|
benchmark::DoNotOptimize(&c);
|
|
benchmark::DoNotOptimize(&in);
|
|
while (st.KeepRunning()) {
|
|
for (auto it = in.begin(); it != end; ++it) {
|
|
benchmark::DoNotOptimize(&(*c.emplace(*it).first));
|
|
}
|
|
benchmark::ClobberMemory();
|
|
}
|
|
}
|
|
|
|
template <class Container, class GenInputs>
|
|
static void BM_Find(benchmark::State& st, Container c, GenInputs gen) {
|
|
auto in = gen(st.range(0));
|
|
c.insert(in.begin(), in.end());
|
|
benchmark::DoNotOptimize(&(*c.begin()));
|
|
const auto end = in.data() + in.size();
|
|
while (st.KeepRunning()) {
|
|
for (auto it = in.data(); it != end; ++it) {
|
|
benchmark::DoNotOptimize(&(*c.find(*it)));
|
|
}
|
|
benchmark::ClobberMemory();
|
|
}
|
|
}
|
|
|
|
template <class Container, class GenInputs>
|
|
static void BM_FindRehash(benchmark::State& st, Container c, GenInputs gen) {
|
|
c.rehash(8);
|
|
auto in = gen(st.range(0));
|
|
c.insert(in.begin(), in.end());
|
|
benchmark::DoNotOptimize(&(*c.begin()));
|
|
const auto end = in.data() + in.size();
|
|
while (st.KeepRunning()) {
|
|
for (auto it = in.data(); it != end; ++it) {
|
|
benchmark::DoNotOptimize(&(*c.find(*it)));
|
|
}
|
|
benchmark::ClobberMemory();
|
|
}
|
|
}
|
|
|
|
} // end namespace ContainerBenchmarks
|
|
|
|
#endif // BENCHMARK_CONTAINER_BENCHMARKS_H
|