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2c0fc856a6
fa29272459Remove redundant MakeUCharSpan wrappers (MarcoFalke)faf4aa2f47Remove CDataStream::Init in favor of C++11 member initialization (MarcoFalke)fada14b948Treat CDataStream bytes as uint8_t (MarcoFalke)fa8bdb048erefactor: Drop CDataStream constructors in favor of one taking a Span of bytes (MarcoFalke)faa96f841fRemove unused CDataStream methods (MarcoFalke) Pull request description: Using `uint8_t` for raw bytes has a style benefit: * The signedness is clear from reading the code, as it does not depend on the architecture Other clean-ups in this pull include: * Remove unused methods * Constructor is simplified with `Span` * Remove `Init()` member in favor of C++11 member initialization ACKs for top commit: laanwj: code review ACKfa29272459theStack: ACKfa29272459🍾 Tree-SHA512: 931ee28bd99843d7e894b48e90e1187ffb0278677c267044b3c0c255069d9bbd9298ab2e539b1002a30b543d240450eaec718ef4ee95a7fd4be0a295e926343f
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
// Copyright (c) 2015-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <prevector.h>
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#include <serialize.h>
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#include <streams.h>
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#include <type_traits>
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#include <bench/bench.h>
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struct nontrivial_t {
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int x;
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nontrivial_t() :x(-1) {}
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SERIALIZE_METHODS(nontrivial_t, obj) { READWRITE(obj.x); }
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};
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static_assert(!std::is_trivially_default_constructible<nontrivial_t>::value,
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"expected nontrivial_t to not be trivially constructible");
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typedef unsigned char trivial_t;
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static_assert(std::is_trivially_default_constructible<trivial_t>::value,
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"expected trivial_t to be trivially constructible");
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template <typename T>
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static void PrevectorDestructor(benchmark::Bench& bench)
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{
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bench.batch(2).run([&] {
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prevector<28, T> t0;
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prevector<28, T> t1;
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t0.resize(28);
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t1.resize(29);
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});
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}
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template <typename T>
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static void PrevectorClear(benchmark::Bench& bench)
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{
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prevector<28, T> t0;
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prevector<28, T> t1;
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bench.batch(2).run([&] {
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t0.resize(28);
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t0.clear();
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t1.resize(29);
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t1.clear();
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});
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}
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template <typename T>
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static void PrevectorResize(benchmark::Bench& bench)
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{
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prevector<28, T> t0;
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prevector<28, T> t1;
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bench.batch(4).run([&] {
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t0.resize(28);
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t0.resize(0);
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t1.resize(29);
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t1.resize(0);
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});
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}
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template <typename T>
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static void PrevectorDeserialize(benchmark::Bench& bench)
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{
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CDataStream s0(SER_NETWORK, 0);
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prevector<28, T> t0;
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t0.resize(28);
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for (auto x = 0; x < 900; ++x) {
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s0 << t0;
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}
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t0.resize(100);
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for (auto x = 0; x < 101; ++x) {
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s0 << t0;
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}
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bench.batch(1000).run([&] {
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prevector<28, T> t1;
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for (auto x = 0; x < 1000; ++x) {
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s0 >> t1;
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}
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s0.Rewind();
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});
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}
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#define PREVECTOR_TEST(name) \
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static void Prevector##name##Nontrivial(benchmark::Bench& bench) \
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{ \
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Prevector##name<nontrivial_t>(bench); \
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} \
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BENCHMARK(Prevector##name##Nontrivial); \
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static void Prevector##name##Trivial(benchmark::Bench& bench) \
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{ \
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Prevector##name<trivial_t>(bench); \
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} \
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BENCHMARK(Prevector##name##Trivial);
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PREVECTOR_TEST(Clear)
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PREVECTOR_TEST(Destructor)
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PREVECTOR_TEST(Resize)
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PREVECTOR_TEST(Deserialize)
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