mirror of
https://github.com/boostorg/endian.git
synced 2025-08-01 13:34:39 +02:00
Speed_test working, although not yielding useful results.
This commit is contained in:
@@ -64,7 +64,7 @@
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</Link>
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<PostBuildEvent>
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<PostBuildEvent>
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<Command>"$(TargetDir)\$(TargetName).exe" 10</Command>
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<Command>"$(TargetDir)\$(TargetName).exe" 10 -v</Command>
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<Message>Executing test...</Message>
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<Message>Executing test...</Message>
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</PostBuildEvent>
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</PostBuildEvent>
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</ItemDefinitionGroup>
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</ItemDefinitionGroup>
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@@ -87,7 +87,7 @@
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<OptimizeReferences>true</OptimizeReferences>
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<OptimizeReferences>true</OptimizeReferences>
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</Link>
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</Link>
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<PostBuildEvent>
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<PostBuildEvent>
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<Command>"$(TargetDir)\$(TargetName).exe" 10000</Command>
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<Command>"$(TargetDir)\$(TargetName).exe" 10000 -v</Command>
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<Message>Executing test...</Message>
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<Message>Executing test...</Message>
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</PostBuildEvent>
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</PostBuildEvent>
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</ItemDefinitionGroup>
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</ItemDefinitionGroup>
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@@ -34,9 +34,11 @@
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</ImportGroup>
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<Import Project="..\common.props" />
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</ImportGroup>
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<Import Project="..\common.props" />
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</ImportGroup>
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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@@ -0,0 +1,137 @@
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// speed_test.cpp --------------------------------------------------------------------//
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// Copyright Beman Dawes 2013
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// Distributed under the Boost Software License, Version 1.0.
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// http://www.boost.org/LICENSE_1_0.txt
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//--------------------------------------------------------------------------------------//
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#include <boost/endian/detail/disable_warnings.hpp>
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#include <boost/endian/converters.hpp>
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#include <boost/endian/integers.hpp>
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#include <boost/chrono.hpp>
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#include <boost/cstdint.hpp>
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#include <iostream>
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#include <cstdlib>
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#include <boost/detail/lightweight_main.hpp>
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using namespace boost::endian;
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using namespace boost::chrono;
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using std::cout;
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using std::endl;
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using boost::int16_t;
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using boost::uint16_t;
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using boost::int32_t;
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using boost::uint32_t;
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using boost::int64_t;
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using boost::uint64_t;
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namespace
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{
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long default_length(1);
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steady_clock::duration length = seconds(default_length);
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template <class T, class Endian>
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uint32_t test(T x)
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{
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uint32_t count = 0;
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T y = x;
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steady_clock::time_point start = steady_clock::now();
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steady_clock::time_point end = start + length;
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while (steady_clock::now() < end)
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{
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++count;
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reverse(y);
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++y;
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reverse(y);
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}
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cout << " loop executed " << count << " times" << endl;
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// cout << " x is 0x" << std::hex << x << std::dec << endl;
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count = 0;
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//Endian z(x);
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Endian z;
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start = steady_clock::now();
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end = start + length;
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while (steady_clock::now() < end)
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{
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++count;
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++z;
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}
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cout << " loop executed " << count << " times" << endl;
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return count;
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}
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uint32_t nop_test()
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{
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uint32_t count = 0;
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steady_clock::time_point start = steady_clock::now();
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steady_clock::time_point end = start + length;
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while (steady_clock::now() < end)
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{
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++count;
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}
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cout << " loop executed " << count << " times" << endl;
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return count;
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}
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} // unnamed namespace
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//--------------------------------------------------------------------------------------//
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int cpp_main(int argc, char* argv[])
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{
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if (argc > 1)
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length = seconds(atol(argv[1]));
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else
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{
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cout << "Invoke: speed_test [s]\n"
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" where s is the number of seconds each test will be run (default "
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<< default_length << (default_length <= 1 ? " second)" : " seconds)") << endl;
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}
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cout << "\nbyte swap intrinsics used: " BOOST_ENDIAN_INTRINSIC_MSG << endl << endl;
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//std::cerr << std::hex;
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cout << "nop" << endl;
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nop_test();
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cout << "int16_t, big16_t" << endl;
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test<int16_t, big16_t>(0x1122);
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cout << "uint16_t" << endl;
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test<uint16_t, ubig16_t>(0x1122U);
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cout << "int32_t, big32_t" << endl;
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test<int32_t, big32_t>(0x11223344);
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cout << "uint32_t, ubig32_t" << endl;
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test<uint32_t, ubig32_t>(0x11223344UL);
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cout << "int64_t, big64_t" << endl;
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test<int64_t, big64_t>(0x1122334455667788);
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cout << "uint64_t, ubig64_t" << endl;
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test<uint64_t, ubig64_t>(0x1122334455667788ULL);
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//cout << "float" << endl;
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//test<float>(1.2345f);
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//cout << "double" << endl;
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//test<double>(1.23456789);
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return 0;
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}
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#include <boost/endian/detail/disable_warnings_pop.hpp>
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