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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/main.h>
#include <rtl/ustring.hxx>
#include <osl/time.h>
#include <osl/process.h>
#include <iostream>
#include <sstream>
#include <fstream>
#if defined HAVE_VALGRIND_HEADERS
# include <valgrind/callgrind.h>
int COUNT = 1;
#else
# define CALLGRIND_DUMP_STATS_AT
# define CALLGRIND_START_INSTRUMENTATION
# define CALLGRIND_STOP_INSTRUMENTATION
# define CALLGRIND_ZERO_STATS
int COUNT = 10000000;
#endif
#if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
# define HAVE_CXX_Ox 1
#endif
#ifdef HAVE_CXX_Ox
# define SAL_DECLARE_UTF16(str) u ## str
#elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550)
# define SAL_DECLARE_UTF16(str) U ## str
#elif __SIZEOF_WCHAR_T__ == 2
# define SAL_DECLARE_UTF16(str) L ## str
#endif
#ifdef SAL_DECLARE_UTF16
# define RTL_CONSTASCII_USTRINGPARAM_WIDE(str) \
reinterpret_cast<const sal_Unicode*>(SAL_DECLARE_UTF16(str)), (SAL_N_ELEMENTS(str)-1)
#endif
#define RTL_CONSTASCII_USTRINGPARAM_CLASSIC(str) \
str, ((sal_Int32)(SAL_N_ELEMENTS(str)-1)), RTL_TEXTENCODING_ASCII_US
int currenttest = 1;
oslProcessInfo pidinfo;
class TimerMeasure
{
private:
const char *m_pMessage;
sal_uInt32 m_nStartTime, m_nEndTime;
public:
TimerMeasure(const char *pMessage)
: m_pMessage(pMessage)
{
m_nStartTime = osl_getGlobalTimer();
CALLGRIND_START_INSTRUMENTATION
CALLGRIND_ZERO_STATS
}
~TimerMeasure()
{
CALLGRIND_STOP_INSTRUMENTATION
CALLGRIND_DUMP_STATS_AT(m_pMessage);
m_nEndTime = osl_getGlobalTimer();
std::cout << m_pMessage << std::endl;
std::cout << " callgrind Instruction cost is: " << std::flush;
std::stringstream aFileName;
aFileName << "callgrind.out." << pidinfo.Ident << "." << currenttest;
std::ifstream myfile(aFileName.str(), std::ios::in);
if (myfile.is_open())
{
std::stringstream aGetGrindStats;
aGetGrindStats << "callgrind_annotate " << aFileName.str() <<
" | grep TOTALS | sed 's/ PROGRAM TOTALS//'";
system(aGetGrindStats.str().c_str());
myfile.close();
}
else
std::cout << "Unavailable" << std::endl;
currenttest++;
#ifndef HAVE_CALLGRIND
std::cout << " Elapsed Time is: " << m_nEndTime - m_nStartTime << "ms" << std::endl;
#endif
}
};
#define TIME(msg, test) \
{\
{ test } /*Run the test one to shake out any firsttime lazy loading stuff*/ \
TimerMeasure aMeasure(msg);\
for (int i = 0; i < COUNT; ++i)\
test\
}
SAL_IMPLEMENT_MAIN()
{
CALLGRIND_STOP_INSTRUMENTATION
CALLGRIND_ZERO_STATS
pidinfo.Size = sizeof(pidinfo);
osl_getProcessInfo(0, osl_Process_IDENTIFIER, &pidinfo);
#ifdef HAVE_CALLGRIND
std::cout << "Execute using: valgrind --tool=callgrind ./measure_oustrings" << std::endl;
#else
//get my cpu fan up to speed :-)
for (int i = 0; i < 10000000; ++i)
{
rtl::OUString sFoo(rtl::OUString::createFromAscii("X"));
rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("X"));
rtl::OUString sBaz(static_cast<sal_Unicode>('X'));
rtl::OUString sNone;
}
#endif
std::cout << "--Empty Strings Construction--" << std::endl;
TIME
(
"rtl::OUString()",
rtl::OUString sFoo;
)
TIME
(
"rtl::OUString::createFromAscii()",
rtl::OUString sFoo(rtl::OUString::createFromAscii(""));
)
std::cout << "--Single Chars Construction--" << std::endl;
TIME
(
"rtl::OUString(static_cast<sal_Unicode>('X')",
rtl::OUString sBaz(static_cast<sal_Unicode>('X'));
)
#ifdef SAL_DECLARE_UTF16
TIME
(
"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_WIDE(\"X\"))",
rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_WIDE("X"));
)
#endif
TIME
(
"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"X\"))",
rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("X"));
)
TIME
(
"rtl::OUString::createFromAscii(\"X\")",
rtl::OUString sFoo(rtl::OUString::createFromAscii("X"));
)
std::cout << "--MultiChar Strings Construction--" << std::endl;
#ifdef SAL_DECLARE_UTF16
TIME
(
"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_WIDE(\"XXXXXXXX\"))",
rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_WIDE("XXXXXXXXXXXXXXX"));
)
#endif
TIME
(
"rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"XXXXXXXX\"))",
rtl::OUString sBar(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
)
TIME
(
"rtl::OUString::createFromAscii(\"XXXXXXXX\")",
rtl::OUString sFoo(rtl::OUString::createFromAscii("XXXXXXXXXXXXXXX"));
)
std::cout << "--Ascii Unequal Comparison--" << std::endl;
rtl::OUString sCompare(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
TIME
(
"rtl::OUString::equalsAsciiL",
sCompare.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("apple"));
)
rtl::OUString sUnequalCompareTo(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("apple"));
TIME
(
"operator==(precreated OUString(\"apple\"))",
sCompare == sUnequalCompareTo;
)
TIME
(
"rtl::OUString::equalsAscii",
sCompare.equalsAscii("apple");
)
//(const sal_Char*, sal_Int32) version has different semantics
TIME
(
"rtl::OUString::compareToAscii (const sal_Char*)",
sCompare.compareToAscii("apple");
)
TIME
(
"operator==(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"apple\")))",
sCompare == rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("apple"));
)
std::cout << "--Ascii Equal Comparison--" << std::endl;
TIME
(
"rtl::OUString::equalsAsciiL",
sCompare.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("XXXXXXXXXXXXXXX"));
)
rtl::OUString sEqualCompareTo(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
TIME
(
"operator==(precreated OUString(\"XXXXXXXXXXXXXXX\"))",
sCompare == sEqualCompareTo;
)
TIME
(
"rtl::OUString::equalsAscii",
sCompare.equalsAscii("XXXXXXXXXXXXXXX");
)
//(const sal_Char*, sal_Int32) version has different semantics
TIME
(
"rtl::OUString::compareToAscii (const sal_Char*)",
sCompare.compareToAscii("XXXXXXXXXXXXXXX");
)
TIME
(
"operator==(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC(\"XXXXXXXXXXXXXXX\"))",
sCompare == rtl::OUString(RTL_CONSTASCII_USTRINGPARAM_CLASSIC("XXXXXXXXXXXXXXX"));
)
return 0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
