284 lines
7.8 KiB
C++
284 lines
7.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* Version: MPL 1.1 / GPLv3+ / LGPLv3+
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License or as specified alternatively below. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* Major Contributor(s):
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* Copyright (C) 2010 Red Hat, Inc., Caolán McNamara <caolanm@redhat.com>
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* (initial developer)
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*
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* All Rights Reserved.
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*
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* For minor contributions see the git repository.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
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* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
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* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
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* instead of those above.
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*/
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#include <sal/main.h>
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#include <rtl/ustring.hxx>
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#include <osl/time.h>
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#include <osl/process.h>
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#include <iostream>
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#include <sstream>
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#include <fstream>
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#if defined HAVE_VALGRIND_HEADERS
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# include <valgrind/callgrind.h>
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int COUNT = 1;
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#else
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# define CALLGRIND_DUMP_STATS_AT
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# define CALLGRIND_START_INSTRUMENTATION
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# define CALLGRIND_STOP_INSTRUMENTATION
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# define CALLGRIND_ZERO_STATS
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int COUNT = 10000000;
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#endif
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#if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
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# define HAVE_CXX_Ox 1
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#endif
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#ifdef HAVE_CXX_Ox
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# define SAL_DECLARE_UTF16(str) u ## str
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#elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550)
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# define SAL_DECLARE_UTF16(str) U ## str
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#elif __SIZEOF_WCHAR_T__ == 2
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# define SAL_DECLARE_UTF16(str) L ## str
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#endif
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#ifdef SAL_DECLARE_UTF16
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# define RTL_CONSTASCII_USTRINGPARAM_WIDE(str) \
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reinterpret_cast<const sal_Unicode*>(SAL_DECLARE_UTF16(str)), (SAL_N_ELEMENTS(str)-1)
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#endif
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#define RTL_CONSTASCII_USTRINGPARAM_CLASSIC(str) \
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str, ((sal_Int32)(SAL_N_ELEMENTS(str)-1)), RTL_TEXTENCODING_ASCII_US
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int currenttest = 1;
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oslProcessInfo pidinfo;
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class TimerMeasure
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{
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private:
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const char *m_pMessage;
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sal_uInt32 m_nStartTime, m_nEndTime;
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public:
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TimerMeasure(const char *pMessage)
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: m_pMessage(pMessage)
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{
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m_nStartTime = osl_getGlobalTimer();
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CALLGRIND_START_INSTRUMENTATION
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CALLGRIND_ZERO_STATS
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}
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~TimerMeasure()
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{
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CALLGRIND_STOP_INSTRUMENTATION
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CALLGRIND_DUMP_STATS_AT(m_pMessage);
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m_nEndTime = osl_getGlobalTimer();
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std::cout << m_pMessage << std::endl;
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std::cout << " callgrind Instruction cost is: " << std::flush;
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std::stringstream aFileName;
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aFileName << "callgrind.out." << pidinfo.Ident << "." << currenttest;
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std::ifstream myfile(aFileName.str(), std::ios::in);
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if (myfile.is_open())
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{
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std::stringstream aGetGrindStats;
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aGetGrindStats << "callgrind_annotate " << aFileName.str() <<
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" | grep TOTALS | sed 's/ PROGRAM TOTALS//'";
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system(aGetGrindStats.str().c_str());
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myfile.close();
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}
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else
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std::cout << "Unavailable" << std::endl;
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currenttest++;
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#ifndef HAVE_CALLGRIND
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std::cout << " Elapsed Time is: " << m_nEndTime - m_nStartTime << "ms" << std::endl;
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#endif
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}
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};
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#define TIME(msg, test) \
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{\
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{ test } /*Run the test one to shake out any firsttime lazy loading stuff*/ \
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TimerMeasure aMeasure(msg);\
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for (int i = 0; i < COUNT; ++i)\
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test\
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}
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SAL_IMPLEMENT_MAIN()
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{
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CALLGRIND_STOP_INSTRUMENTATION
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CALLGRIND_ZERO_STATS
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pidinfo.Size = sizeof(pidinfo);
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osl_getProcessInfo(0, osl_Process_IDENTIFIER, &pidinfo);
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#ifdef HAVE_CALLGRIND
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std::cout << "Execute using: valgrind --tool=callgrind ./measure_oustrings" << std::endl;
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#else
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//get my cpu fan up to speed :-)
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for (int i = 0; i < 10000000; ++i)
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{
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rtl::OUString sFoo(rtl::OUString::createFromAscii("X"));
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rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("X"));
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rtl::OUString sBaz(static_cast<sal_Unicode>('X'));
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rtl::OUString sNone;
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}
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#endif
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std::cout << "--Empty Strings Construction--" << std::endl;
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TIME
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(
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"rtl::OUString()",
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rtl::OUString sFoo;
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)
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TIME
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(
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"rtl::OUString::createFromAscii()",
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rtl::OUString sFoo(rtl::OUString::createFromAscii(""));
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)
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std::cout << "--Single Chars Construction--" << std::endl;
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TIME
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(
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"rtl::OUString(static_cast<sal_Unicode>('X')",
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rtl::OUString sBaz(static_cast<sal_Unicode>('X'));
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)
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#ifdef SAL_DECLARE_UTF16
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TIME
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(
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"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_WIDE(\"X\"))",
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rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_WIDE("X"));
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)
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#endif
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TIME
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(
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"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"X\"))",
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rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("X"));
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)
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TIME
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(
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"rtl::OUString::createFromAscii(\"X\")",
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rtl::OUString sFoo(rtl::OUString::createFromAscii("X"));
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)
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std::cout << "--MultiChar Strings Construction--" << std::endl;
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#ifdef SAL_DECLARE_UTF16
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TIME
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(
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"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_WIDE(\"XXXXXXXX\"))",
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rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_WIDE("XXXXXXXXXXXXXXX"));
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)
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#endif
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TIME
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(
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"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"XXXXXXXX\"))",
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rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
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)
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TIME
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(
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"rtl::OUString::createFromAscii(\"XXXXXXXX\")",
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rtl::OUString sFoo(rtl::OUString::createFromAscii("XXXXXXXXXXXXXXX"));
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)
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std::cout << "--Ascii Unequal Comparison--" << std::endl;
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rtl::OUString sCompare(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
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TIME
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(
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"rtl::OUString::equalsAsciiL",
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sCompare.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("apple"));
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)
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rtl::OUString sUnequalCompareTo(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("apple"));
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TIME
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(
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"operator==(precreated OUString(\"apple\"))",
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sCompare == sUnequalCompareTo;
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)
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TIME
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(
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"rtl::OUString::equalsAscii",
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sCompare.equalsAscii("apple");
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)
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//(const sal_Char*, sal_Int32) version has different semantics
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TIME
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(
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"rtl::OUString::compareToAscii (const sal_Char*)",
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sCompare.compareToAscii("apple");
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)
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TIME
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(
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"operator==(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"apple\")))",
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sCompare == rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("apple"));
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)
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std::cout << "--Ascii Equal Comparison--" << std::endl;
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TIME
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(
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"rtl::OUString::equalsAsciiL",
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sCompare.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("XXXXXXXXXXXXXXX"));
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)
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rtl::OUString sEqualCompareTo(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
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TIME
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(
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"operator==(precreated OUString(\"XXXXXXXXXXXXXXX\"))",
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sCompare == sEqualCompareTo;
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)
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TIME
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(
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"rtl::OUString::equalsAscii",
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sCompare.equalsAscii("XXXXXXXXXXXXXXX");
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)
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//(const sal_Char*, sal_Int32) version has different semantics
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TIME
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(
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"rtl::OUString::compareToAscii (const sal_Char*)",
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sCompare.compareToAscii("XXXXXXXXXXXXXXX");
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)
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TIME
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(
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"operator==(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"XXXXXXXXXXXXXXX\"))",
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sCompare == rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
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)
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return 0;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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