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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <stdio.h>
#include <math.h>
#include <osl/interlck.h>
#include <osl/mutex.hxx>
#include <osl/semaphor.h>
#include <rtl/string.hxx>
#include <rtl/byteseq.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#ifdef SAL_W32
#include <windows.h>
#else
#include <sys/times.h>
#endif
#ifndef ULONG_MAX
#define ULONG_MAX 0xffffffff
#endif
using namespace ::rtl;
using namespace ::osl;
using namespace ::com::sun::star::uno;
static inline sal_uInt32 getSystemTicks()
{
#ifdef SAL_W32
return (sal_uInt32)GetTickCount();
#else // only UNX supported for now
static sal_uInt32 nImplTicksPerSecond = 0;
static double dImplTicksPerSecond;
static double dImplTicksULONGMAX;
struct tms aTms;
sal_uInt32 nTicks = (sal_uInt32)times( &aTms );
if ( !nImplTicksPerSecond )
{
nImplTicksPerSecond = CLK_TCK;
dImplTicksPerSecond = nImplTicksPerSecond;
dImplTicksULONGMAX = (double)(sal_uInt32)ULONG_MAX;
}
double fTicks = nTicks;
fTicks *= 1000;
fTicks /= dImplTicksPerSecond;
fTicks = fmod (fTicks, dImplTicksULONGMAX);
return (sal_uInt32)fTicks;
#endif
}
class MyTimer
{
public:
MyTimer( const OString &descString ) :
nStart( getSystemTicks() ),
m_descString( descString )
{
}
~MyTimer( )
{
printf( "%f s : %s\n", (getSystemTicks() -nStart) / 1000., m_descString.getStr() );
}
private:
sal_uInt32 nStart;
OString m_descString;
};
void main()
{
// interlocked count
{
MyTimer timer( "performance - 1000*10000 interlocked count" );
oslInterlockedCount count;
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
osl_incrementInterlockedCount( &count );
}
}
{
OString myDummyString( "blubber" );
MyTimer timer( "performance - 1000*10000 acquiring/releasing a refcounted string(without destruction)" );
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
OString myNextDummyString = myDummyString ;
}
}
printf( "--------------------\n" );
{
Mutex mutex;
MyTimer timer( "performance - 1000*10000 acquiring/releasing an osl::Mutex" );
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
MutexGuard guard( mutex );
}
}
{
oslSemaphore sema = osl_createSemaphore(1);
MyTimer timer( "performance - 1000*10000 acquiring/releasing an osl::Semaphore" );
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
osl_acquireSemaphore( sema );
osl_releaseSemaphore( sema );
}
}
printf( "--------------------\n" );
{
MyTimer timer( "performance - 1000*10000 rtl::ByteSequence(500)" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
ByteSequence seq(500);
}
}
{
MyTimer timer( "performance - 1000*1000 rtl::ByteSequence(500,BYTESEQ_NODEFAULT)" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
ByteSequence seq(500, BYTESEQ_NODEFAULT);
}
}
{
MyTimer timer( "performance - 1000*1000 com::sun::star::uno::Sequence< sal_Int8 > (500)" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
Sequence< sal_Int8> seq(500);
}
}
{
MyTimer timer( "performance - 1000*1000 rtl_freeMemory( rtl_allocateMemory( 512 ) )" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
rtl_freeMemory( rtl_allocateMemory( 512 ) );
}
}
printf( "--------------------\n" );
{
MyTimer timer( "performance - 1000*1000 byte string construction/destruction" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
OString textEnc( "this is a test string" );
}
}
{
MyTimer timer( "performance - 1000*1000 unicode string construction/destruction" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
OUString textEnc( RTL_CONSTASCII_USTRINGPARAM( "this is a test string" ) );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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