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Merge pull request #20 from m-peko/add-benchmark
Add benchmark
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| cmake_minimum_required (VERSION 3.8) | ||
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| set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/src) | ||
| add_subdirectory (src) |
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| cmake_minimum_required (VERSION 3.8) | ||
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| # Use bitflags's include directories + Google Benchmark include directories | ||
| include_directories ( | ||
| ${PROJECT_SOURCE_DIR}/include/ | ||
| ${GOOGLEBENCH_INCLUDE} | ||
| ) | ||
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| link_directories ( | ||
| ${GOOGLEBENCH_LIBRARY} | ||
| ) | ||
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| # Link against GoogleBenchmark and bitflags | ||
| link_libraries ( | ||
| benchmark | ||
| bitflags | ||
| ) | ||
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| add_custom_target (benchmarks) | ||
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| macro (create_benchmark benchmark_name) | ||
| string (REPLACE "/" "_" binary_name ${benchmark_name}) | ||
| set (binary_name "${binary_name}_benchmark") | ||
| add_executable (${binary_name} EXCLUDE_FROM_ALL "${benchmark_name}_benchmark.cpp") | ||
| add_test (${benchmark_name} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${binary_name}) | ||
| add_dependencies (benchmarks ${binary_name}) | ||
| endmacro () | ||
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| # Benchmarks | ||
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| create_benchmark (bitset) | ||
| create_benchmark (bitflags) | ||
| create_benchmark (raw_bitflags) |
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| /* | ||
| * Copyright (c) 2020, Marin Peko | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are | ||
| * met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * * Redistributions in binary form must reproduce the above | ||
| * copyright notice, this list of conditions and the following disclaimer | ||
| * in the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| * | ||
| */ | ||
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| #include <benchmark/benchmark.h> | ||
| #include <bitflags/bitflags.hpp> | ||
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| BEGIN_BITFLAGS(Flags) | ||
| FLAG(none) | ||
| FLAG(flag_a) | ||
| FLAG(flag_b) | ||
| FLAG(flag_c) | ||
| END_BITFLAGS(Flags) | ||
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| void OperatorNot(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags = ~Flags::none; | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(OperatorNot); | ||
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| void OperatorAnd(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags &= Flags::flag_a; | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(OperatorAnd); | ||
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| void OperatorOr(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags |= Flags::flag_a; | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(OperatorOr); | ||
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| void OperatorXor(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags ^= Flags::flag_a; | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(OperatorXor); | ||
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| void Empty(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags = Flags::empty(); | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(Empty); | ||
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| void All(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags = Flags::all(); | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(All); | ||
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| void IsEmpty(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| [[maybe_unused]] bool is_empty = flags.is_empty(); | ||
| benchmark::DoNotOptimize(flags); | ||
| benchmark::DoNotOptimize(is_empty); | ||
| } | ||
| } | ||
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| BENCHMARK(IsEmpty); | ||
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| void IsAll(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| [[maybe_unused]] bool is_all = flags.is_all(); | ||
| benchmark::DoNotOptimize(flags); | ||
| benchmark::DoNotOptimize(is_all); | ||
| } | ||
| } | ||
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| BENCHMARK(IsAll); | ||
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| void Set(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags.set(Flags::flag_a); | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(Set); | ||
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| void Remove(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags.remove(Flags::flag_a); | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(Remove); | ||
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| void Toggle(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags.toggle(Flags::flag_a); | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(Toggle); | ||
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| void Clear(benchmark::State& state) { | ||
| Flags flags; | ||
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| for (auto _ : state) { | ||
| flags.clear(); | ||
| benchmark::DoNotOptimize(flags); | ||
| } | ||
| } | ||
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| BENCHMARK(Clear); | ||
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| BENCHMARK_MAIN(); |
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