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# | ||
# Copyright (C) 2020-2023 Krylov Yaroslav. | ||
# | ||
# Distributed under the Boost Software License, Version 1.0. | ||
# (See accompanying file LICENSE_1_0.txt or copy at | ||
# http://www.boost.org/LICENSE_1_0.txt) | ||
# | ||
add_executable(ureact_compilation_time_benchmarks EXCLUDE_FROM_ALL) | ||
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target_sources( | ||
ureact_compilation_time_benchmarks # | ||
PRIVATE compiler_args.cpp std_headers_include_time.cpp | ||
) | ||
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target_link_libraries( | ||
ureact_compilation_time_benchmarks | ||
PRIVATE ureact::ureact Catch2::Catch2WithMain nanobench::nanobench | ||
) | ||
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target_compile_options( | ||
ureact_compilation_time_benchmarks | ||
PRIVATE ${UREACT_WARNING_OPTION} | ||
) | ||
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get_filename_component( | ||
UREACT_INCLUDE_PATH | ||
"${CMAKE_CURRENT_SOURCE_DIR}/../../include" | ||
ABSOLUTE | ||
) | ||
get_filename_component( | ||
TEST_SAMPLES_PATH | ||
"${CMAKE_CURRENT_SOURCE_DIR}/test_samples" | ||
ABSOLUTE | ||
) | ||
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target_compile_definitions( | ||
ureact_compilation_time_benchmarks | ||
PRIVATE | ||
UREACT_INCLUDE_PATH="${UREACT_INCLUDE_PATH}" | ||
TEST_SAMPLES_PATH="${TEST_SAMPLES_PATH}" | ||
) |
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// | ||
// Copyright (C) 2020-2023 Krylov Yaroslav. | ||
// | ||
// Distributed under the Boost Software License, Version 1.0. | ||
// (See accompanying file LICENSE_1_0.txt or copy at | ||
// http://www.boost.org/LICENSE_1_0.txt) | ||
// | ||
#include "compiler_args.hpp" | ||
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#include <cassert> | ||
#include <iostream> | ||
#include <sstream> | ||
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#include <nanobench.h> | ||
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std::ostream& operator<<( std::ostream& os, const BuildConfiguration value ) | ||
{ | ||
switch( value ) | ||
{ | ||
case BuildConfiguration::Default: os << "Default"; break; | ||
case BuildConfiguration::Release: os << "Release"; break; | ||
case BuildConfiguration::Debug: os << "Debug"; break; | ||
} | ||
return os; | ||
} | ||
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std::ostream& operator<<( std::ostream& os, const CompilerName value ) | ||
{ | ||
switch( value ) | ||
{ | ||
case CompilerName::clang: os << "clang++"; break; | ||
case CompilerName::gcc: os << "g++"; break; | ||
} | ||
return os; | ||
} | ||
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std::ostream& operator<<( std::ostream& os, const Compiler value ) | ||
{ | ||
return os << value.name << '-' << value.version; | ||
} | ||
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std::string to_string( const Compiler value ) | ||
{ | ||
std::ostringstream ss; | ||
ss << value; | ||
return ss.str(); | ||
} | ||
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std::string CompilerArgs::build() const | ||
{ | ||
assert( isValid() ); | ||
std::ostringstream ss; | ||
ss << m_compiler.value() << ' '; | ||
if( m_standard.has_value() ) | ||
ss << "-std=" << m_standard.value() << ' '; | ||
switch( m_configuration.value_or( BuildConfiguration::Default ) ) | ||
{ | ||
case BuildConfiguration::Debug: ss << "-O0 -g" << ' '; break; | ||
case BuildConfiguration::Release: ss << "-O3" << ' '; break; | ||
case BuildConfiguration::Default: break; | ||
} | ||
ss << "-I" << UREACT_INCLUDE_PATH << ' '; | ||
for( const auto& def : m_definitions ) | ||
ss << "-D" << def << ' '; | ||
if( m_stdlib.has_value() ) | ||
ss << "-stdlib=" << m_stdlib.value() << ' '; | ||
ss << TEST_SAMPLES_PATH << '/' << m_source.value(); | ||
return ss.str(); | ||
} | ||
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std::string CompilerArgs::get_name() const | ||
{ | ||
assert( m_compiler.has_value() ); | ||
std::ostringstream ss; | ||
ss << m_compiler.value(); | ||
if( m_standard ) | ||
ss << ' ' << m_standard.value(); | ||
if( m_stdlib ) | ||
ss << ' ' << m_stdlib.value(); | ||
if( m_configuration ) | ||
ss << ' ' << m_configuration.value(); | ||
return ss.str(); | ||
} | ||
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std::vector<CompilerArgs> generateCompilerArgs( const std::vector<Compiler>& compilers, | ||
const std::vector<BuildConfiguration>& configurations, | ||
const int minimalStandard ) | ||
{ | ||
constexpr bool VERBOSE_ERRORS = false; | ||
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std::vector<CompilerArgs> result; | ||
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for( const auto& compiler : compilers ) | ||
{ | ||
if( std::system( ( CompilerArgs{} // | ||
.compiler( to_string( compiler ) ) | ||
.source( "minimal.cpp" ) | ||
.build() | ||
+ " > /dev/null 2>&1" ) | ||
.c_str() ) | ||
!= 0 ) | ||
{ | ||
if constexpr( VERBOSE_ERRORS ) | ||
{ | ||
std::cerr << "skipping (" << to_string( compiler ) | ||
<< ") because it can't compile the simple program" << std::endl; | ||
} | ||
continue; | ||
} | ||
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const auto stdlibs = [compiler]() -> std::vector<std::string> { | ||
if( compiler.name == clang ) | ||
return { "libstdc++", "libc++" }; | ||
else | ||
return { "" }; | ||
}(); | ||
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const auto standards = [compiler, minimalStandard]() -> std::vector<std::string> { | ||
std::vector<std::string> result; | ||
if( minimalStandard <= 11 ) | ||
result.emplace_back( "c++11" ); | ||
if( minimalStandard <= 14 ) | ||
result.emplace_back( "c++14" ); | ||
if( minimalStandard <= 17 ) | ||
result.emplace_back( "c++17" ); | ||
if( minimalStandard <= 20 ) | ||
{ | ||
if( compiler.name == gcc && compiler.version == 9 ) | ||
result.emplace_back( "c++2a" ); | ||
else | ||
result.emplace_back( "c++20" ); | ||
} | ||
return result; | ||
}(); | ||
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for( const auto& configuration : configurations ) | ||
{ | ||
for( const auto& stdlib : stdlibs ) | ||
{ | ||
if( !stdlib.empty() ) | ||
{ | ||
if( const auto args = CompilerArgs{} // | ||
.compiler( to_string( compiler ) ) | ||
.stdlib( stdlib ) | ||
.source( "minimal.cpp" ); | ||
std::system( ( args.build() + " > /dev/null 2>&1" ).c_str() ) != 0 ) | ||
{ | ||
if constexpr( VERBOSE_ERRORS ) | ||
{ | ||
std::cerr << "skipping (" << args.get_name() | ||
<< ") because it can't compile the simple program" | ||
<< std::endl; | ||
} | ||
continue; | ||
} | ||
} | ||
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for( const auto& standard : standards ) | ||
{ | ||
auto compilerArgs = CompilerArgs{} // | ||
.compiler( to_string( compiler ) ) | ||
.standard( standard ) | ||
.configuration( configuration ); | ||
if( !stdlib.empty() ) | ||
compilerArgs.stdlib( stdlib ); | ||
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if( std::system( ( CompilerArgs{ compilerArgs } // | ||
.source( "minimal.cpp" ) | ||
.build() | ||
+ " > /dev/null 2>&1" ) | ||
.c_str() ) | ||
== 0 ) | ||
{ | ||
result.push_back( compilerArgs ); | ||
} | ||
else | ||
{ | ||
if constexpr( VERBOSE_ERRORS ) | ||
{ | ||
std::cerr << "skipping (" << compilerArgs.get_name() | ||
<< ") because it can't compile the simple program" | ||
<< std::endl; | ||
} | ||
} | ||
} | ||
} | ||
} | ||
} | ||
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return result; | ||
} | ||
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void perform_test( | ||
ankerl::nanobench::Bench& bench, const std::string& name, const CompilerArgs& compilerArgs ) | ||
{ | ||
bench.run( name, [&] { | ||
std::system( compilerArgs.build().c_str() ); // | ||
} ); | ||
} |
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// | ||
// Copyright (C) 2020-2023 Krylov Yaroslav. | ||
// | ||
// Distributed under the Boost Software License, Version 1.0. | ||
// (See accompanying file LICENSE_1_0.txt or copy at | ||
// http://www.boost.org/LICENSE_1_0.txt) | ||
// | ||
#pragma once | ||
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#include <iosfwd> | ||
#include <optional> | ||
#include <string> | ||
#include <vector> | ||
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enum class BuildConfiguration | ||
{ | ||
Default, | ||
Release, | ||
Debug | ||
}; | ||
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std::ostream& operator<<( std::ostream& os, const BuildConfiguration value ); | ||
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enum class CompilerName | ||
{ | ||
clang, | ||
gcc | ||
}; | ||
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constexpr inline auto clang = CompilerName::clang; | ||
constexpr inline auto gcc = CompilerName::gcc; | ||
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std::ostream& operator<<( std::ostream& os, const CompilerName value ); | ||
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struct Compiler | ||
{ | ||
CompilerName name; | ||
int version; | ||
}; | ||
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std::ostream& operator<<( std::ostream& os, const Compiler value ); | ||
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std::string to_string( const Compiler value ); | ||
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class CompilerArgs | ||
{ | ||
public: | ||
CompilerArgs& compiler( const std::string& value ) | ||
{ | ||
m_compiler = value; | ||
return *this; | ||
} | ||
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CompilerArgs& standard( const std::string& value ) | ||
{ | ||
m_standard = value; | ||
return *this; | ||
} | ||
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CompilerArgs& configuration( const BuildConfiguration value ) | ||
{ | ||
m_configuration = value; | ||
return *this; | ||
} | ||
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CompilerArgs& source( const std::string& value ) | ||
{ | ||
m_source = value; | ||
return *this; | ||
} | ||
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CompilerArgs& definition( const std::string& value ) | ||
{ | ||
m_definitions.push_back( value ); | ||
return *this; | ||
} | ||
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CompilerArgs& stdlib( const std::string& value ) | ||
{ | ||
m_stdlib = value; | ||
return *this; | ||
} | ||
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[[nodiscard]] bool isValid() const | ||
{ | ||
return m_compiler.has_value() && m_source.has_value(); | ||
} | ||
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[[nodiscard]] std::string build() const; | ||
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[[nodiscard]] std::string get_name() const; | ||
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private: | ||
std::optional<std::string> m_compiler; | ||
std::optional<std::string> m_standard; | ||
std::optional<BuildConfiguration> m_configuration; | ||
std::vector<std::string> m_definitions; | ||
std::optional<std::string> m_stdlib; | ||
std::optional<std::string> m_source; | ||
}; | ||
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std::vector<CompilerArgs> generateCompilerArgs( const std::vector<Compiler>& compilers, | ||
const std::vector<BuildConfiguration>& configurations, | ||
const int minimalStandard ); | ||
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namespace ankerl::nanobench | ||
{ | ||
class Bench; | ||
} | ||
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void perform_test( | ||
ankerl::nanobench::Bench& bench, const std::string& name, const CompilerArgs& compilerArgs ); |
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