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Add a benchmark for log showing the difference of switching between log_write_impl and log_write_impl_va ( #140 ).
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‎source/benchmarks/CMakeLists.txt‎

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include(CTest)
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add_subdirectory(log_bench)
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add_subdirectory(metacall_py_c_api_bench)
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add_subdirectory(metacall_py_call_bench)
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add_subdirectory(metacall_py_init_bench)

‎source/benchmarks/log_bench/CMakeLists.txt‎

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#
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# Executable name and options
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#
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# Target name
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set(target log-bench)
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message(STATUS "Benchmark ${target}")
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#
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# Compiler warnings
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#
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include(Warnings)
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#
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# Compiler security
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#
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include(SecurityFlags)
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#
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# Sources
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#
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set(include_path "${CMAKE_CURRENT_SOURCE_DIR}/include/${target}")
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set(source_path "${CMAKE_CURRENT_SOURCE_DIR}/source")
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set(sources
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${source_path}/log_bench.cpp
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)
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# Group source files
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set(header_group "Header Files (API)")
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set(source_group "Source Files")
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source_group_by_path(${include_path} "\\\\.h$|\\\\.hpp$"
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${header_group} ${headers})
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source_group_by_path(${source_path} "\\\\.cpp$|\\\\.c$|\\\\.h$|\\\\.hpp$"
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${source_group} ${sources})
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#
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# Create executable
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#
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# Build executable
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add_executable(${target}
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${sources}
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)
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# Create namespaced alias
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add_executable(${META_PROJECT_NAME}::${target} ALIAS ${target})
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#
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# Project options
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#
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set_target_properties(${target}
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PROPERTIES
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${DEFAULT_PROJECT_OPTIONS}
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FOLDER "${IDE_FOLDER}"
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)
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#
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# Include directories
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#
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target_include_directories(${target}
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PRIVATE
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${DEFAULT_INCLUDE_DIRECTORIES}
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${PROJECT_BINARY_DIR}/source/include
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)
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#
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# Libraries
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#
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target_link_libraries(${target}
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PRIVATE
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${DEFAULT_LIBRARIES}
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GBench
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${META_PROJECT_NAME}::version
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${META_PROJECT_NAME}::preprocessor
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${META_PROJECT_NAME}::format
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${META_PROJECT_NAME}::threading
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${META_PROJECT_NAME}::log
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)
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#
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# Compile definitions
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#
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target_compile_definitions(${target}
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PRIVATE
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${DEFAULT_COMPILE_DEFINITIONS}
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)
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#
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# Compile options
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#
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target_compile_options(${target}
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PRIVATE
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${DEFAULT_COMPILE_OPTIONS}
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)
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#
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# Linker options
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#
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target_link_libraries(${target}
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PRIVATE
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${DEFAULT_LINKER_OPTIONS}
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)
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#
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# Define test
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#
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add_test(NAME ${target}
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COMMAND $<TARGET_FILE:${target}>
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)
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#
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# Define dependencies
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#
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add_dependencies(${target}
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log
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)
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#
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# Define test properties
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#
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set_property(TEST ${target}
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PROPERTY LABELS ${target}
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)
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include(TestEnvironmentVariables)
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test_environment_variables(${target}
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""
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${TESTS_ENVIRONMENT_VARIABLES}
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)

‎source/benchmarks/log_bench/source/log_bench.cpp‎

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/*
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* MetaCall Library by Parra Studios
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* A library for providing a foreign function interface calls.
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*
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* Copyright (C) 2016 - 2021 Vicente Eduardo Ferrer Garcia <[email protected]>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <benchmark/benchmark.h>
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#include <log/log.h>
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#include <metacall/metacall_loaders.h>
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static int stream_write(void *, const char *, const size_t)
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{
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// Disable stream write so we do not count stdout on the benchmark
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return 0;
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}
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static int stream_flush(void *)
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{
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// Disable stream flush so we do not count stdout on the benchmark
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return 0;
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}
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class log_bench : public benchmark::Fixture
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{
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public:
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void SetUp(benchmark::State &state)
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{
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if (log_configure("metacall",
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log_policy_format_text(),
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log_policy_schedule_sync(),
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log_policy_storage_sequential(),
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log_policy_stream_custom(NULL, &stream_write, &stream_flush)) != 0)
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{
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state.SkipWithError("Error creating the log");
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}
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}
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void TearDown(benchmark::State &)
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{
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}
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};
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BENCHMARK_DEFINE_F(log_bench, call_macro)
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(benchmark::State &state)
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{
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const int64_t call_count = 10000;
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for (auto _ : state)
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{
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for (int64_t it = 0; it < call_count; ++it)
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{
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benchmark::DoNotOptimize(log_write("metacall", LOG_LEVEL_ERROR, "Message"));
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}
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}
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state.SetLabel("Log Benchmark - Call Macro");
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state.SetItemsProcessed(call_count);
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}
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BENCHMARK_REGISTER_F(log_bench, call_macro)
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->Threads(1)
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->Unit(benchmark::kMillisecond)
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->Iterations(1)
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->Repetitions(3);
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BENCHMARK_DEFINE_F(log_bench, call_va)
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(benchmark::State &state)
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{
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const int64_t call_count = 10000;
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for (auto _ : state)
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{
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for (int64_t it = 0; it < call_count; ++it)
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{
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benchmark::DoNotOptimize(log_write_impl_va("metacall", LOG_PREPROCESSOR_LINE, log_record_function(), __FILE__, LOG_LEVEL_ERROR, "Message"));
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}
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}
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state.SetLabel("Log Benchmark - Call Variadic");
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state.SetItemsProcessed(call_count);
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}
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BENCHMARK_REGISTER_F(log_bench, call_va)
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->Threads(1)
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->Unit(benchmark::kMillisecond)
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->Iterations(1)
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->Repetitions(3);
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BENCHMARK_MAIN();

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