mirror of
https://github.com/boostorg/endian.git
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Initial commit loop_time_test.cpp and its infrastructure.
This commit is contained in:
Beman
208
test/loop_time_test.cpp
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208
test/loop_time_test.cpp
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// loop_time_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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#define _SCL_SECURE_NO_WARNINGS
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//#define BOOST_ENDIAN_NO_INTRINSICS
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//#define BOOST_ENDIAN_LOG
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#include <boost/endian/detail/disable_warnings.hpp>
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#include <boost/endian/conversion.hpp>
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#include <boost/endian/types.hpp>
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#include <boost/cstdint.hpp>
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#include <boost/timer/timer.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;
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using namespace boost::endian;
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using std::cout;
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using std::endl;
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namespace
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{
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typedef boost::timer::nanosecond_type nanosecond_t;
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std::string command_args;
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uint64_t n; // number of test cases to run
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int places = 2; // decimal places for times
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bool verbose (false);
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void process_command_line(int argc, char * argv[])
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{
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for (int a = 0; a < argc; ++a)
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{
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command_args += argv[a];
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if (a != argc-1)
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command_args += ' ';
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}
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// cout << command_args << '\n';;
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if (argc >=2)
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#ifndef _MSC_VER
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n = std::atoll(argv[1]);
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#else
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n = _atoi64(argv[1]);
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#endif
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for (; argc > 2; ++argv, --argc)
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{
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if ( *(argv[2]+1) == 'p' )
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places = atoi( argv[2]+2 );
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else if ( *(argv[2]+1) == 'v' )
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verbose = true;
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else
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{
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cout << "Error - unknown option: " << argv[2] << "\n\n";
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argc = -1;
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break;
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}
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}
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if (argc < 2)
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{
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cout << "Usage: loop_time_test n [Options]\n"
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" The argument n specifies the number of test cases to run\n"
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" Options:\n"
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" -v Verbose messages\n"
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" -p# Decimal places for times; default -p" << places << "\n";
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return std::exit(1);
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}
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}
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//--------------------------------------------------------------------------------------//
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template <class T, class EndianT>
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void time()
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{
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{
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cout << "*************Endian integer approach...\n";
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EndianT x(0);
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boost::timer::cpu_timer t;
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for (uint64_t i = 0; i < n; ++i)
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{
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x += static_cast<T>(i);
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}
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t.stop();
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cout << "x: " << x << endl;
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cout << "<td align=\"right\">" << t.format(places, "%t") << " s</td>";
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}
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{
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cout << "***************Endian conversion approach...\n";
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T x(0);
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boost::timer::cpu_timer t;
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big_endian(x);
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for (uint64_t i = 0; i < n; ++i)
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{
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x += static_cast<T>(i);
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}
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big_endian(x);
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t.stop();
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big_endian(x);
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cout << "x: " << x << endl;
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cout << "<td align=\"right\">" << t.format(places, "%t") << " s</td>";
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}
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}
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//void test_big_int16()
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//{
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// cout << "<tr><td>16-bit aligned big endian</td>";
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// time<int16_t, big_int16_t>(user::return_x_big_int16);
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// time<int16_t, big_int16_t>(user::return_x_value_big_int16);
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// time<int16_t, big_int16_t>(user::return_x_in_place_big_int16);
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// time<int16_t, big_int16_t>(user::return_x_big_int16);
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// cout << "</tr>\n";
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//}
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//void test_little_int16()
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//{
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// cout << "<tr><td>16-bit aligned little endian</td>";
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// time<int16_t, little_int16_t>(user::return_x_little_int16);
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// time<int16_t, little_int16_t>(user::return_x_value_little_int16);
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// time<int16_t, little_int16_t>(user::return_x_in_place_little_int16);
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// time<int16_t, little_int16_t>(user::return_x_little_int16);
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// cout << "</tr>\n";
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//}
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void test_big_int32()
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{
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cout << "<tr><td>32-bit aligned big endian</td>";
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time<int32_t, big_int32_t>();
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cout << "</tr>\n";
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}
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void test_little_int32()
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{
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cout << "<tr><td>32-bit aligned little endian</td>";
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time<int32_t, little_int32_t>();
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cout << "</tr>\n";
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}
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//void test_big_int64()
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//{
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// cout << "<tr><td>64-bit aligned big endian</td>";
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// time<int64_t, big_int64_t>(user::return_x_big_int64);
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// time<int64_t, big_int64_t>(user::return_x_value_big_int64);
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// time<int64_t, big_int64_t>(user::return_x_in_place_big_int64);
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// time<int64_t, big_int64_t>(user::return_x_big_int64);
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// cout << "</tr>\n";
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//}
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//void test_little_int64()
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//{
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// cout << "<tr><td>64-bit aligned little endian</td>";
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// time<int64_t, little_int64_t>(user::return_x_little_int64);
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// time<int64_t, little_int64_t>(user::return_x_value_little_int64);
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// time<int64_t, little_int64_t>(user::return_x_in_place_little_int64);
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// time<int64_t, little_int64_t>(user::return_x_little_int64);
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// cout << "</tr>\n";
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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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process_command_line(argc, argv);
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cout
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<< "<html>\n<head>\n<title>Endian Speed Test</title>\n</head>\n<body>\n"
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<< "<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\""
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<< "style=\"border-collapse: collapse\" bordercolor=\"#111111\">\n"
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<< "<tr><td colspan=\"6\" align=\"center\"><b>"
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<< BOOST_COMPILER << "</b></td></tr>\n"
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<< "<tr><td colspan=\"6\" align=\"center\"><b>"
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<< " Iterations: " << n
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<< ", Intrinsics: " BOOST_ENDIAN_INTRINSIC_MSG
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<< "</b></td></tr>\n"
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<< "<tr><td><b>Test Case</b></td>\n"
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"<td align=\"center\"><b>int<br>arg</b></td>\n"
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"<td align=\"center\"><b>int<br>value(arg)</b></td>\n"
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"<td align=\"center\"><b>int<br>in place(arg)</b></td>\n"
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"<td align=\"center\"><b>Endian<br>arg</b></td>\n"
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"</tr>\n"
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;
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//test_big_int16();
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//test_little_int16();
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test_big_int32();
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test_little_int32();
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//test_big_int64();
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//test_little_int64();
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cout << "\n</table>\n</body>\n</html>\n";
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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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@ -21,6 +21,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "udt_conversion_example", "u
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "speed_test", "speed_test\speed_test.vcxproj", "{5407AF29-59E9-4DE2-9939-F067576F7868}"
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "loop_time_test", "loop_time_test\loop_time_test.vcxproj", "{541A2D06-B34E-4592-BE47-F87DF47E73D8}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Win32 = Debug|Win32
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@ -65,6 +67,10 @@ Global
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{5407AF29-59E9-4DE2-9939-F067576F7868}.Debug|Win32.Build.0 = Debug|Win32
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{5407AF29-59E9-4DE2-9939-F067576F7868}.Release|Win32.ActiveCfg = Release|Win32
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{5407AF29-59E9-4DE2-9939-F067576F7868}.Release|Win32.Build.0 = Release|Win32
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{541A2D06-B34E-4592-BE47-F87DF47E73D8}.Debug|Win32.ActiveCfg = Debug|Win32
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{541A2D06-B34E-4592-BE47-F87DF47E73D8}.Debug|Win32.Build.0 = Debug|Win32
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{541A2D06-B34E-4592-BE47-F87DF47E73D8}.Release|Win32.ActiveCfg = Release|Win32
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{541A2D06-B34E-4592-BE47-F87DF47E73D8}.Release|Win32.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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92
test/msvc2012/loop_time_test/loop_time_test.vcxproj
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92
test/msvc2012/loop_time_test/loop_time_test.vcxproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<ProjectGuid>{541A2D06-B34E-4592-BE47-F87DF47E73D8}</ProjectGuid>
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<Keyword>Win32Proj</Keyword>
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<RootNamespace>loop_time_test</RootNamespace>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v110</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v110</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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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="..\common.props" />
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</ImportGroup>
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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="..\common.props" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<LinkIncremental>true</LinkIncremental>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<LinkIncremental>false</LinkIncremental>
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</PropertyGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<PrecompiledHeader>
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</PrecompiledHeader>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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<PostBuildEvent>
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<Command>"$(TargetDir)\$(TargetName).exe" 1000</Command>
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</PostBuildEvent>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<PrecompiledHeader>
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</PrecompiledHeader>
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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</Link>
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<PostBuildEvent>
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<Command>"$(TargetDir)\$(TargetName).exe" 1000000000</Command>
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</PostBuildEvent>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="..\..\loop_time_test.cpp" />
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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