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// Copyright (c) 2015-2017 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <compat.h>
#include <prevector.h>
#include <bench/bench.h>
struct nontrivial_t {
int x;
nontrivial_t() :x(-1) {}
};
static_assert(!IS_TRIVIALLY_CONSTRUCTIBLE<nontrivial_t>::value,
"expected nontrivial_t to not be trivially constructible");
typedef unsigned char trivial_t;
static_assert(IS_TRIVIALLY_CONSTRUCTIBLE<trivial_t>::value,
"expected trivial_t to be trivially constructible");
template <typename T>
static void PrevectorDestructor(benchmark::State& state)
{
while (state.KeepRunning()) {
for (auto x = 0; x < 1000; ++x) {
prevector<28, T> t0;
prevector<28, T> t1;
t0.resize(28);
t1.resize(29);
}
}
}
template <typename T>
static void PrevectorClear(benchmark::State& state)
{
while (state.KeepRunning()) {
for (auto x = 0; x < 1000; ++x) {
prevector<28, T> t0;
prevector<28, T> t1;
t0.resize(28);
t0.clear();
t1.resize(29);
t0.clear();
}
}
}
template <typename T>
void PrevectorResize(benchmark::State& state)
{
while (state.KeepRunning()) {
prevector<28, T> t0;
prevector<28, T> t1;
for (auto x = 0; x < 1000; ++x) {
t0.resize(28);
t0.resize(0);
t1.resize(29);
t1.resize(0);
}
}
}
#define PREVECTOR_TEST(name, nontrivops, trivops) \
static void Prevector ## name ## Nontrivial(benchmark::State& state) { \
PrevectorResize<nontrivial_t>(state); \
} \
BENCHMARK(Prevector ## name ## Nontrivial, nontrivops); \
static void Prevector ## name ## Trivial(benchmark::State& state) { \
PrevectorResize<trivial_t>(state); \
} \
BENCHMARK(Prevector ## name ## Trivial, trivops);
PREVECTOR_TEST(Clear, 28300, 88600)
PREVECTOR_TEST(Destructor, 28800, 88900)
PREVECTOR_TEST(Resize, 28900, 90300)
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