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- /*
- Minetest
- Copyright (C) 2022 Minetest Authors
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "benchmark_setup.h"
- #include "util/serialize.h"
- #include <sstream>
- #include <ios>
- // Builds a string of exactly `length` characters by repeating `s` (rest cut off)
- static std::string makeRepeatTo(const std::string &s, size_t length)
- {
- std::string v;
- v.reserve(length + s.size());
- for (size_t i = 0; i < length; i += s.size()) {
- v += s;
- }
- v.resize(length);
- return v;
- }
- #define BENCH3(_label, _chars, _length, _lengthlabel) \
- BENCHMARK_ADVANCED("serializeJsonStringIfNeeded_" _lengthlabel "_" _label)(Catch::Benchmark::Chronometer meter) { \
- std::string s = makeRepeatTo(_chars, _length); \
- meter.measure([&] { return serializeJsonStringIfNeeded(s); }); \
- }; \
- BENCHMARK_ADVANCED("deSerializeJsonStringIfNeeded_" _lengthlabel "_" _label)(Catch::Benchmark::Chronometer meter) { \
- std::string s = makeRepeatTo(_chars, _length); \
- std::string serialized = serializeJsonStringIfNeeded(s); \
- std::istringstream is(serialized, std::ios::binary); \
- meter.measure([&] { \
- is.clear(); \
- is.seekg(0, std::ios::beg); \
- return deSerializeJsonStringIfNeeded(is); \
- }); \
- };
- /* Both with and without a space character (' ') */
- #define BENCH2(_label, _chars, _length, _lengthlabel) \
- BENCH3(_label, _chars, _length, _lengthlabel) \
- BENCH3(_label "_with_space", " " _chars, _length, _lengthlabel) \
- /* Iterate over input lengths */
- #define BENCH1(_label, _chars) \
- BENCH2(_label, _chars, 10, "small") \
- BENCH2(_label, _chars, 10000, "large")
- /* Iterate over character sets */
- #define BENCH_ALL() \
- BENCH1("alpha", "abcdefghijklmnopqrstuvwxyz") \
- BENCH1("escaped", "\"\\/\b\f\n\r\t") \
- BENCH1("nonascii", "\xf0\xff")
- TEST_CASE("benchmark_serialize") {
- BENCH_ALL()
- }
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