lbrycrd/src/bench/prevector.cpp
practicalswift c3f34d06be Make it clear which functions that are intended to be translation unit local
Do not share functions that are meant to be translation unit local with
other translation units. Use internal linkage for those consistently.
2018-05-03 21:47:40 +02:00

77 lines
2.3 KiB
C++

// 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>
static 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)