git / moonbite-core / src/bench/prevector.cpp · raw

// Copyright (c) 2015-2018 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 <prevector.h>#include <serialize.h>#include <streams.h>#include <type_traits>#include <bench/bench.h>// GCC 4.8 is missing some C++11 type_traits,// https://www.gnu.org/software/gcc/gcc-5/changes.html#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 5#define IS_TRIVIALLY_CONSTRUCTIBLE std::has_trivial_default_constructor#else#define IS_TRIVIALLY_CONSTRUCTIBLE std::is_trivially_default_constructible#endifstruct nontrivial_t {    int x;    nontrivial_t() :x(-1) {}    SERIALIZE_METHODS(nontrivial_t, obj) { READWRITE(obj.x); }};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::Bench& bench){    bench.batch(2).run([&] {        prevector<28, T> t0;        prevector<28, T> t1;        t0.resize(28);        t1.resize(29);    });}template <typename T>static void PrevectorClear(benchmark::Bench& bench){    prevector<28, T> t0;    prevector<28, T> t1;    bench.batch(2).run([&] {        t0.resize(28);        t0.clear();        t1.resize(29);        t1.clear();    });}template <typename T>static void PrevectorResize(benchmark::Bench& bench){    prevector<28, T> t0;    prevector<28, T> t1;    bench.batch(4).run([&] {        t0.resize(28);        t0.resize(0);        t1.resize(29);        t1.resize(0);    });}template <typename T>static void PrevectorDeserialize(benchmark::Bench& bench){    CDataStream s0(SER_NETWORK, 0);    prevector<28, T> t0;    t0.resize(28);    for (auto x = 0; x < 900; ++x) {        s0 << t0;    }    t0.resize(100);    for (auto x = 0; x < 101; ++x) {        s0 << t0;    }    bench.batch(1000).run([&] {        prevector<28, T> t1;        for (auto x = 0; x < 1000; ++x) {            s0 >> t1;        }        s0.Init(SER_NETWORK, 0);    });}#define PREVECTOR_TEST(name)                                         \    static void Prevector##name##Nontrivial(benchmark::Bench& bench) \    {                                                                \        Prevector##name<nontrivial_t>(bench);                        \    }                                                                \    BENCHMARK(Prevector##name##Nontrivial);                          \    static void Prevector##name##Trivial(benchmark::Bench& bench)    \    {                                                                \        Prevector##name<trivial_t>(bench);                           \    }                                                                \    BENCHMARK(Prevector##name##Trivial);PREVECTOR_TEST(Clear)PREVECTOR_TEST(Destructor)PREVECTOR_TEST(Resize)PREVECTOR_TEST(Deserialize)