This patch adds a benchmark tab to SysInfo!

Available tests & Implementation Status:
-------------------------------------------
Integer Arithmetic: done
Floating Point: done
Text Rendering: done
Gfx Rendering: done
RAM Performance: in progress
SD Performance: not yet done
CF Performance: not yet done
-------------------------------------------
I will complete this on weekend by adding the last
tests and adding a comparison table for known systems :)
Have Fun!

7 files changed, 1173 insertions, 1 deletions

diff --git a/noncore/settings/sysinfo/benchmarkinfo.cpp b/noncore/settings/sysinfo/benchmarkinfo.cpp
new file mode 100644
index 0000000..62146f7
--- a/dev/null
+++ b/noncore/settings/sysinfo/benchmarkinfo.cpp
@@ -0,0 +1,453 @@
+/**********************************************************************
+** BenchmarkInfo
+**
+** A benchmark for Qt/Embedded
+**
+** Copyright (C) 2004 Michael Lauer <mickey@vanille.de>
+** Inspired by ZBench (C) 2002 Satoshi <af230533@im07.alpha-net.ne.jp>
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+**********************************************************************/
+
+/* OPIE */
+#include <qpe/qpeapplication.h>
+#include <qpe/qcopenvelope_qws.h>
+#include <qpe/qpedecoration_qws.h>
+#include <qpe/resource.h>
+#include <qpe/config.h>
+
+/* QT */
+#include <qlayout.h>
+#include <qfiledialog.h>
+#include <qlabel.h>
+#include <qpainter.h>
+#include <qdirectpainter_qws.h>
+#include <qapplication.h>
+#include <qpushbutton.h>
+#include <qclipboard.h>
+#include <qtimer.h>
+#include <qcolor.h>
+#include <qpushbutton.h>
+
+/* STD */
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+
+#include "benchmarkinfo.h"
+
+extern "C"
+{
+    void BenchFFT( void );
+}
+
+//===========================================================================
+
+class BenchmarkPaintWidget : public QWidget
+{
+  public:
+    BenchmarkPaintWidget() : QWidget( 0, "Benchmark Paint Widget", WStyle_Customize|WStyle_StaysOnTop|WPaintUnclipped|WPaintClever )
+    {
+        resize( QApplication::desktop()->size() );
+        show();
+        p.begin( this );
+    };
+
+    ~BenchmarkPaintWidget()
+    {
+        p.end();
+        hide();
+    };
+
+    QPainter p;
+};
+
+//===========================================================================
+
+BenchmarkInfo::BenchmarkInfo( QWidget *parent, const char *name, int wFlags )
+        : QWidget( parent, name, wFlags )
+{
+
+    setMinimumSize( 200, 150 );
+
+    QVBoxLayout* vb = new QVBoxLayout( this );
+    vb->setSpacing( 4 );
+    vb->setMargin( 4 );
+
+    tests = new QListView( this );
+    tests->setMargin( 1 );
+    tests->addColumn( "Tests" );
+    tests->addColumn( "Results" );
+    tests->setShowSortIndicator( true );
+
+    test_alu = new QCheckListItem( tests, "1: Integer Arithmetic  ", QCheckListItem::CheckBox );
+    test_alu->setText( 1, "n/a" );
+    test_fpu = new QCheckListItem( tests, "2: Floating Point Unit  ", QCheckListItem::CheckBox );
+    test_fpu->setText( 1, "n/a" );
+    test_txt = new QCheckListItem( tests, "3: Text Rendering  ", QCheckListItem::CheckBox );
+    test_txt->setText( 1, "n/a" );
+    test_gfx = new QCheckListItem( tests, "4: Gfx Rendering  ", QCheckListItem::CheckBox );
+    test_gfx->setText( 1, "n/a" );
+    test_ram = new QCheckListItem( tests, "5: RAM Performance  ", QCheckListItem::CheckBox );
+    test_ram->setText( 1, "n/a" );
+    test_sd = new QCheckListItem( tests, "6: SD Card Performance  ", QCheckListItem::CheckBox );
+    test_sd->setText( 1, "n/a" );
+    test_cf = new QCheckListItem( tests, "7: CF Card Performance  ", QCheckListItem::CheckBox );
+    test_cf->setText( 1, "n/a" );
+
+    startButton = new QPushButton( tr( "&Start Tests!" ), this );
+    connect( startButton, SIGNAL( clicked() ), this, SLOT( run() ) );
+
+    vb->addWidget( tests, 2 );
+    vb->addWidget( startButton );
+}
+
+
+BenchmarkInfo::~BenchmarkInfo()
+{}
+
+
+void BenchmarkInfo::run()
+{
+    startButton->setText( "> Don't touch! Running Tests! Don't touch! <" );
+    qApp->processEvents();
+    QTime t;
+
+    if ( test_alu->isOn() )
+    {
+        t.start();
+        benchInteger();
+        test_alu->setText( 1, QString( "%1 secs" ).arg( QString::number( t.elapsed() / 1000.0 ) ) );
+        test_alu->setOn( false );
+    }
+
+    if ( test_fpu->isOn() )
+    {
+        t.start();
+        BenchFFT();
+        test_fpu->setText( 1, QString( "%1 secs" ).arg( QString::number( t.elapsed() / 1000.0 ) ) );
+        test_fpu->setOn( false );
+    }
+
+    if ( test_txt->isOn() )
+    {
+        t.start();
+        paintChar();
+        test_txt->setText( 1, QString( "%1 secs" ).arg( QString::number( t.elapsed() / 1000.0 ) ) );
+        test_txt->setOn( false );
+    }
+
+    if ( test_gfx->isOn() )
+    {
+        t.start();
+        paintLineRect();
+        test_gfx->setText( 1, QString( "%1 secs" ).arg( QString::number( t.elapsed() / 1000.0 ) ) );
+        test_gfx->setOn( false );
+    }
+
+    if ( test_ram->isOn() )
+    {
+        t.start();
+        writeFile( "/tmp/benchmarkFile.dat" );    // /tmp is supposed to be in RAM on a PDA
+        readFile( "/tmp/benchmarkFile.dat" );
+        QFile::remove( "/tmp/benchmarkFile.dat" );
+        test_ram->setText( 1, QString( "%1 secs" ).arg( QString::number( t.elapsed() / 1000.0 ) ) );
+        test_ram->setOn( false );
+    }
+/*
+    if ( test_cf->isOn() )
+    {
+        t.start();
+        benchInteger();
+        test_alu->setText( 1, QString( "%1 secs" ).arg( QString::number( t.elapsed() / 1000.0 ) ) );
+        test_alu->setOn( false );
+    }
+
+    if ( test_sd->isOn() )
+    {
+        t.start();
+        benchInteger();
+        test_alu->setText( 1, QString( "%1 secs" ).arg( QString::number( t.elapsed() / 1000.0 ) ) );
+        test_alu->setOn( false );
+    }
+
+    if ( ( which_clipb ) && ( buf.length() > 0 ) )
+    {
+        clb = QApplication::clipboard();
+        clb->setText( dt_buf + buf );
+    }
+    */
+
+    startButton->setText( tr( "&Start Tests!" ) );
+}
+
+
+void BenchmarkInfo::benchInteger() const
+{
+    long dummy = 1;
+
+    for ( long i= 0 ; i < INT_TEST_ITERATIONS ; i++ )
+    {
+        for ( long j= 0 ; j < INT_TEST_ITERATIONS ; j++ )
+        {
+            for( long k= 0 ; k < INT_TEST_ITERATIONS ; k++ )
+            {
+                long xx = ( rand() % 1000 + 111 ) * 7 / 3 + 31;
+                long yy = ( rand() % 100 + 23 ) * 11 / 7 + 17;
+                long zz = ( rand() % 100 + 47 ) * 13 / 11 - 211;
+                dummy = xx * yy / zz;
+                dummy *= 23;
+                dummy += ( xx - yy + zz );
+                dummy -= ( xx + yy - zz );
+                dummy *= ( xx * zz * yy );
+                dummy /= 1 + ( xx * yy * zz );
+            }
+        }
+    }
+}
+
+
+void BenchmarkInfo::paintChar()
+{
+    int rr[] = { 255, 255, 255, 0, 0, 0, 0, 128, 128 };
+    int gg[] = { 0, 255, 0, 0, 255, 255, 0, 128, 128 };
+    int bb[] = { 0, 0, 255, 0, 0, 255, 255, 128, 0 };
+    const QString text( "Opie Benchmark Test" );
+
+    int w = QApplication::desktop()->width();
+    int h = QApplication::desktop()->height();
+
+    srand( time( NULL ) );
+
+    BenchmarkPaintWidget bpw;
+
+    for ( int i = 0; i < CHAR_TEST_ITERATIONS; ++i )
+    {
+        int k = rand() % 9;
+        bpw.p.setPen( QColor( rr[ k ], gg[ k ], bb[ k ] ) );
+        bpw.p.setFont( QFont( "Vera", k*10 ) );
+        bpw.p.drawText( rand() % w, rand() % h, text, text.length() );
+    }
+}
+
+void BenchmarkInfo::paintLineRect()
+{
+    int rr[] = { 255, 255, 255, 0, 0, 0, 0, 128, 128 };
+    int gg[] = { 0, 255, 0, 0, 255, 255, 0, 128, 128 };
+    int bb[] = { 0, 0, 255, 0, 0, 255, 255, 128, 0 };
+
+    int w = QApplication::desktop()->width();
+    int h = QApplication::desktop()->height();
+
+    srand( time( NULL ) );
+
+    BenchmarkPaintWidget bpw;
+
+    for ( int i = 0; i < DRAW_TEST_ITERATIONS*3; ++i )
+    {
+        int k = rand() % 9;
+        bpw.p.setPen( QColor( rr[ k ], gg[ k ], bb[ k ] ) );
+        bpw.p.drawLine( rand()%w, rand()%h, rand()%w, rand()%h );
+    }
+
+    for ( int i = 0; i < DRAW_TEST_ITERATIONS; ++i )
+    {
+        int k = rand() % 9;
+        bpw.p.setPen( QColor( rr[ k ], gg[ k ], bb[ k ] ) );
+        bpw.p.drawArc( rand()%w, rand()%h, rand()%w, rand()%h, 360 * 16, 360 * 16 );
+    }
+
+    QBrush br1;
+    br1.setStyle( SolidPattern );
+
+    for ( int i = 0; i < DRAW_TEST_ITERATIONS*2; ++i )
+    {
+        int k = rand() % 9;
+        br1.setColor( QColor( rr[ k ], gg[ k ], bb[ k ] ) );
+        bpw.p.fillRect( rand()%w, rand()%h, rand()%w, rand()%h, br1 );
+    }
+
+    QPixmap p = Resource::loadPixmap( "pattern" );
+    for ( int i = 0; i < DRAW_TEST_ITERATIONS; ++i )
+    {
+        bpw.p.drawPixmap( rand()%w, rand()%h, p );
+    }
+
+
+}
+
+// **********************************************************************
+// Read & Write
+// v2.0.0
+// **********************************************************************
+#define   BUFF_SIZE        8192
+#define   FILE_SIZE        1024 * 1024  // 1Mb
+
+char FileBuf[ BUFF_SIZE + 1 ];
+
+bool BenchmarkInfo::writeFile( const QString& w_path )
+{
+    int i;
+    int k;
+    int n;
+    int pos;
+    int len;
+    char *data = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; // 62
+
+
+    // /*------------------------------------
+    int w_len;
+
+    QFile writeFile( w_path );
+    srand( time( NULL ) );
+
+    for ( n = 0 ; n < 20 ; n++ )
+    {
+        if ( ! writeFile.open( IO_WriteOnly ) )
+        {
+            writeFile.close();
+            writeFile.remove();
+            return ( false );
+        }
+        // ------------------------------------------ sequential write
+        for ( k = 0 ; k < 256 ; k++ )
+        {
+            n = rand() % 30;
+            memcpy( &FileBuf[ k * 32 ], &data[ n ], 32 );
+        }
+
+        for ( i = 0 ; i < FILE_SIZE / BUFF_SIZE ; i++ )
+        {
+            w_len = writeFile.writeBlock( FileBuf, BUFF_SIZE );
+            if ( w_len != BUFF_SIZE )
+            {
+                writeFile.close();
+                writeFile.remove();
+                return ( false );
+            }
+            writeFile.flush();
+        }
+        // ------------------------------------------ random write
+        for ( i = 0 ; i < 400 ; i++ )
+        {
+            len = rand() % 90 + 4000;
+            for ( k = 0 ; k < 128 ; k++ )
+            {
+                n = rand() % 30;
+                memcpy( &FileBuf[ k * 8 ], &data[ n ], 32 );
+            }
+            pos = rand() % ( FILE_SIZE - BUFF_SIZE );
+
+            writeFile.at( pos );
+            w_len = writeFile.writeBlock( FileBuf, len );
+            if ( w_len != len )
+            {
+                writeFile.close();
+                writeFile.remove();
+                return ( false );
+            }
+            writeFile.flush();
+        }
+        writeFile.close();
+    }
+    return ( true );
+    // ------------------------------------*/
+
+    /* ----------------------------------
+     srand( time( NULL ) );
+
+     FILE *fp;
+
+     for( n= 0 ; n < 40 ; n++ )
+     {
+      if (( fp = fopen( w_path, "wt" )) == NULL )
+       return( false );
+      memset( FileBuf, '\0', BUFF_SIZE+1 );
+      // ------------------------------------------ sequential write
+      for( i= 0 ; i < FILE_SIZE / BUFF_SIZE ; i++ )
+            {
+             for( k= 0 ; k < 128 ; k++ )
+                {
+        n = rand() % 30;
+        memcpy( &FileBuf[k*8], &data[n], 32 );
+                }
+       fputs( FileBuf, fp );
+            }
+      // ------------------------------------------ random write
+      for( i= 0 ; i < 300 ; i++ )
+            {
+       memset( FileBuf, '\0', 130 );
+             len = rand() % 120 + 8;
+             for( k= 0 ; k < 16 ; k++ )
+                {
+        n = rand() % 54;
+        memcpy( &FileBuf[k*8], &data[n], 8 );
+                }
+       pos = rand() % ( FILE_SIZE / BUFF_SIZE - BUFF_SIZE );
+
+       fseek( fp, pos, SEEK_SET );
+       fputs( FileBuf, fp );
+            }
+            fclose( fp );
+     }
+     return( true );
+    -------------------------------------*/
+}
+
+
+bool BenchmarkInfo::readFile( const QString& r_path )
+{
+    int i;
+    int k;
+    int len;
+    int pos;
+    int r_len;
+
+    QFile readFile( r_path );
+    srand( time( NULL ) );
+
+    for ( k = 0 ; k < 200 ; k++ )
+    {
+        if ( ! readFile.open( IO_ReadOnly ) )
+        {
+            readFile.remove();
+            return ( false );
+        }
+        // ------------------------------------------ sequential read
+        readFile.at( 0 );
+        for ( i = 0 ; i < FILE_SIZE / BUFF_SIZE ; i++ )
+        {
+            readFile.at( i * BUFF_SIZE );
+            r_len = readFile.readBlock( FileBuf, BUFF_SIZE );
+            if ( r_len != BUFF_SIZE )
+            {
+                readFile.close();
+                readFile.remove();
+                return ( false );
+            }
+        }
+        // ------------------------------------------ random read
+        for ( i = 0 ; i < 1000 ; i++ )
+        {
+            len = rand() % 120 + 8;
+            pos = rand() % ( FILE_SIZE / BUFF_SIZE - BUFF_SIZE );
+            readFile.at( pos );
+            r_len = readFile.readBlock( FileBuf, len );
+            if ( r_len != len )
+            {
+                readFile.close();
+                readFile.remove();
+                return ( false );
+            }
+        }
+        readFile.close();
+    }
+    return ( true );
+}
diff --git a/noncore/settings/sysinfo/benchmarkinfo.h b/noncore/settings/sysinfo/benchmarkinfo.h
new file mode 100644
index 0000000..2c7fa40
--- a/dev/null
+++ b/noncore/settings/sysinfo/benchmarkinfo.h
@@ -0,0 +1,72 @@
+/**********************************************************************
+** BenchmarkInfo
+**
+** A benchmark for Qt/Embedded
+**
+** Copyright (C) 2004 Michael Lauer <mickey@vanille.de>
+** Inspired by ZBench (C) 2002 Satoshi <af230533@im07.alpha-net.ne.jp>
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+**********************************************************************/
+
+#include <qwidget.h>
+#include <qdialog.h>
+
+class QClipboard;
+class QCheckListItem;
+class QPushButton;
+class QListView;
+
+//#define       INT_TEST_ITERATIONS      50
+//#define       CHAR_TEST_ITERATIONS     15000
+//#define       DRAW_TEST_ITERATIONS     5000
+
+#define       INT_TEST_ITERATIONS      50
+#define       CHAR_TEST_ITERATIONS     15000
+#define       DRAW_TEST_ITERATIONS     5000
+
+class BenchmarkInfo : public QWidget
+{
+    Q_OBJECT
+
+public:
+    BenchmarkInfo( QWidget *parent = 0, const char *name = 0, int wFlags = 0 );
+    ~BenchmarkInfo();
+
+    QCheckListItem* test_alu;
+    QCheckListItem* test_fpu;
+    QCheckListItem* test_txt;
+    QCheckListItem* test_gfx;
+    QCheckListItem* test_ram;
+    QCheckListItem* test_sd;
+    QCheckListItem* test_cf;
+
+    bool main_rd;
+    bool main_wt;
+    bool sd_rd;
+    bool sd_wt;
+    bool cf_rd;
+    bool cf_wt;
+
+    QClipboard* clb;
+
+    QListView* tests;
+    QPushButton* startButton;
+
+    void benchInteger() const;
+    void paintChar();
+    void paintLineRect();
+    bool writeFile( const QString& );
+    bool readFile( const QString& );
+
+private slots:
+    void run();
+
+};
diff --git a/noncore/settings/sysinfo/fft.c b/noncore/settings/sysinfo/fft.c
new file mode 100644
index 0000000..01a1b26
--- a/dev/null
+++ b/noncore/settings/sysinfo/fft.c
@@ -0,0 +1,642 @@
+
+// ******************************************************************
+// Copyright (c) 2002- Satoshi, All Rights Reserved.
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+//
+// Author : Satoshi ( af230533@im07.alpha-net.ne.jp )
+// ******************************************************************
+
+//***********************************************************************
+// ¹â®¥Õ¡¼¥ê¥¨ÊÑ´¹¡Ê£Æ£Æ£Ô¡Ë
+// ¹¹¤Ë¥¹¥Ô¡¼¥É¡¦¥¢¥Ã¥×¤¹¤ë¤Ë¤Ï£Ã£Ï£Ó¤ò¸ÇÄê¤Ç»ý¤Ä¤³¤È¡ª
+//
+// Copyright (C) Satoshi 1994-2002 All rights reserved.
+// ***********************************************************************
+
+#include <math.h>
+
+#define       FFT_TEST_COUNT      500                 // Bench FFT
+
+// ----------------------------------------------------- FFT
+#define       OBJ_DATA_COUNT      128
+#define       OBJ_DATA_SISU       7                   // 128 = 2 ** 7
+#define       OBJ_DATA_SLIDE      1
+
+#define       FFT_TRN             1
+#define       IFFT_TRN            -1
+
+typedef  struct  _fft {
+        int         N;              // ¥Ç¥¸¥¿¥ë¡¦¥Ç¡¼¥¿·ï¿ô
+        int         r;              // N = 2^r
+        double*     result_A;       // ¥µ¥ó¥×¥ê¥ó¥°¥Ç¡¼¥¿¤ò¤³¤³¤Ë¥»¥Ã¥È¤¹¤ë
+                                    // cos À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ×
+        double*     result_B;       // sin À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ×
+} FFT;
+#define         FFT_SIZE            sizeof( FFT )
+
+
+void digital_fft( FFT* fft );
+
+
+double        SpectA[OBJ_DATA_COUNT];
+double        SpectB[OBJ_DATA_COUNT];
+
+double        TestData[]  = {
+                               0.998795456205172405,
+                               0.995184726672196929,
+                               0.146735474455360860,
+                               0.098217140329559660,
+                               0.980784545503230431,
+                               0.970031253194543974,
+                               0.956940335252408824,
+                              -0.857728610000272118,
+                              -0.831465612302545236,
+                              -0.803205431480644943,
+                              -0.774010453362736882,
+                              -0.747954125354958995,
+                              -0.707116781186547351,
+                              -0.671125754847018219,
+                              -0.634394284163645266,
+                              -0.594619304492433024,
+                              -0.555545233019601845,
+                               0.941544045483020806,
+                               0.923879532511286738,
+                               0.903989293123443338,
+                               0.881541264344545050,
+                               0.857728610000272118,
+                               0.831469612544545236,
+                               0.803207531420452543,
+                               0.773010453362736882,
+                               0.740451125354958995,
+                               0.707106781186547351,
+                              -0.974034153194543974,
+                              -0.956940335732208824,
+                              -0.944144065183020806,
+                              -0.923211532511286738,
+                              -0.905989293123443338,
+                              -0.881112264348355050,
+                              -0.857728610000272118,
+                               0.671558954847018219,
+                               0.049167674327417023,
+                              -0.001212000000001049,
+                              -0.998791456205172405,
+                              -0.995214726672196929,
+                              -0.989176509964781014,
+                              -0.980782180403230431,
+                              -0.974034153194543974,
+                              -0.956940335732208824,
+                              -0.944144065183020806,
+                              -0.923211532511286738,
+                              -0.905989293123443338,
+                               0.803207531420452543,
+                               0.773010453362736882,
+                               0.740451125354958995,
+                               0.707106781186547351,
+                               0.671558954847018219,
+                               0.989576509964781014,
+                               0.980784545503230431,
+                               0.970031253194543974,
+                               0.654634123783645266,
+                               0.634646284163645266,
+                               0.595624504492433024,
+                               0.555570245019601845,
+                               0.514442744193221328,
+                               0.471356736825997198,
+                               0.424551093430281585,
+                               0.314683432365089171,
+                              -0.881112264348355050,
+                              -0.857728610000272118,
+                              -0.831465612302545236,
+                              -0.803205431480644943,
+                              -0.774010453362736882,
+                              -0.747954125354958995,
+                              -0.707116781186547351,
+                              -0.671125754847018219,
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+                               0.903989293123443338,
+                               0.471356736825997198,
+                             };
+
+
+void  BenchFFT( void )
+{
+  int         i;
+  int         k;
+  FFT         fft;
+
+  fft.N = OBJ_DATA_COUNT;
+  fft.r = OBJ_DATA_SISU;
+  fft.result_A = SpectA;
+  fft.result_B = SpectB;
+
+  for ( i= 0 ; i < FFT_TEST_COUNT ; i++ )
+  {
+      for( k= 0 ; k < fft.N ; k++ )
+      {
+          fft.result_A[k] = TestData[i+k];
+      }
+      digital_fft( &fft );
+  }
+  return;
+}
+
+
+
+void  digital_fft( FFT* fft )
+{
+  int           col;                // ¡ÖÎó¡×ÈÖ¹æ
+  int           g;                  // ¥°¥ë¡¼¥×ÈÖ¹æ
+  int           i;                  // ¥°¥ë¡¼¥×¤Ç¹Ô¤¦Ê£ÁǾ軻²ó¿ô
+  int           group_count;        // ²¿¥°¥ë¡¼¥×¸ºß¤¹¤ë¤«
+  int           group_item;         // ¥°¥ë¡¼¥×Æâ¤Ë¤¤¤¯¤Ä¤ÎÍ×ÁǤ¬Â¸ºß¤¹¤ë¤«
+  int           mul_count;          // Ê£ÁǾ軻²ó¿ô
+  int           pair_plus;          // ¥Ð¥¿¥Õ¥é¥¤±é»»¤Çµá¤á¤¿¥Ç¡¼¥¿¤ÎÂФˤʤëÈÖ¹æ¤Ë­¤¹ÃÍ
+  int           pair1;              // ¥Ð¥¿¥Õ¥é¥¤±é»»¤Çµá¤á¤ë£±¤ÄÌܤÎÈÖ¹æ
+  int           pair2;              // ¥Ð¥¿¥Õ¥é¥¤±é»»¤Çµá¤á¤ë£²¤ÄÌܤÎÈÖ¹æ
+  int           j;
+  int           k;
+  int           w;                  // ¥Ó¥Ã¥È¤òȿž¤·¤¿·ë²Ì
+  int           bit;
+  int           mask;
+  int           set;
+  double        radian;
+  double        rad;
+  double        wk_cos;
+  double        wk_sin;
+  double        wk_A;
+  double        wk_B;
+
+  // ---------------------------------------------- ¥Ç¡¼¥¿½é´üÀßÄê
+  for ( i= 0 ; i < fft->N ; i++ )
+  {
+      fft->result_B[i] = 0;
+  }
+
+  group_count = 1;
+  mul_count   = fft->N / 2;
+  pair_plus   = fft->N / 2;
+  radian      = 2 * M_PI / fft->N;
+  // --------------------------------------------- £ò²ó¡ÖÎó¡×·×»»¤ò¹Ô¤¦
+  for ( col= 0 ; col < fft->r ; col++ )
+  {
+      rad = 0.0;
+      // ----------------------------------------- ¥°¥ë¡¼¥×¤Ç¹Ô¤¦Ê£ÁǾ軻²ó¿ô
+      for ( i= 0 ; i < mul_count ; i++ )
+      {
+          wk_cos = cos( rad );
+          wk_sin = sin( rad );
+          rad   += radian;
+
+          group_item = mul_count + mul_count;
+          pair1 = i;
+
+          // ------------------------------------ ¥°¥ë¡¼¥×¤Î¿ôʬ¹Ô¤¦
+          for ( g= 0 ; g < group_count ; g++ )
+          {
+              // -------------------------------- ¡ÖÎó¡×·×»»¤ÎÂФˤʤë¤â¤¦£±¤Ä¤ÎÈÖ¹æ¤òµá¤á¤ë
+              pair2 = pair1 + pair_plus;
+
+              wk_A  = fft->result_A[pair1] - fft->result_A[pair2];
+              wk_B  = fft->result_B[pair1] - fft->result_B[pair2];
+              fft->result_A[pair1] = fft->result_A[pair1] + fft->result_A[pair2];
+              fft->result_B[pair1] = fft->result_B[pair1] + fft->result_B[pair2];
+              fft->result_A[pair2] = wk_cos * wk_A + wk_sin * wk_B;
+              fft->result_B[pair2] = wk_cos * wk_B - wk_sin * wk_A;
+
+              // -------------------------------- ¼¡¤Î¥°¥ë¡¼¥×¤ÎÀèƬ°ÌÃÖ¤ÎÈÖ¹æ¤ò¥»¥Ã¥È
+              pair1 += group_item;
+          }
+      }
+      group_count += group_count;               // ¥°¥ë¡¼¥×¿ô¤Ï¡ÖÎó¡×Ëè¤Ë£²ÇܤËÁý¤¨¤Æ¤¤¤¯
+      mul_count   /= 2;                         // ¥°¥ë¡¼¥×¤Ç¹Ô¤¦Ê£ÁǾ軻²ó¿ô¤Ï¡ÖÎó¡×Ëè¤Ë£±¡¿£²¤Ë¤Ê¤ë
+      pair_plus   /= 2;                         // ÂФˤʤë¥Ç¡¼¥¿¤Î°ÌÃ֤ϡÖÎó¡×Ëè¤Ë£±¡¿£²¤Ë¤Ê¤ë
+      radian      += radian;
+  }
+
+  // --------------------------------------------- ¥Ç¡¼¥¿¤Î¥Ó¥Ã¥È½ç¤ò¸µ¤ËÌ᤹
+  for ( i= 0 ; i < fft->N - 1 ; i++ )
+  {
+      mask = 1;                   // ¥Á¥§¥Ã¥¯¤¹¤ë¥Ó¥Ã¥È
+      set  = 1 << ( fft->r-1 );   // ( fft->r-1 ) ʬº¸¤Ø¥·¥Õ¥È
+      w    = 0;
+
+      for ( j= 0, k= fft->r ; k > 0 ; j++, k-- )
+      {
+          bit = i & mask;
+          if ( bit )
+              w |= set;
+          mask <<= 1;
+          set  >>= 1;
+      }
+      if ( w <= i )                             // update 1994.04.02 Á´¥Ç¡¼¥¿¤ò¥ê¥Ð¡¼¥¹¤·¤Æ¤¤¤¿¤¿¤á¸µ¤ËÌá¤Ã¤Æ¤¤¤¿
+          continue;
+
+      wk_A = fft->result_A[i];
+      wk_B = fft->result_B[i];
+      fft->result_A[i] = fft->result_A[w];
+      fft->result_A[w] = wk_A;
+      fft->result_B[i] = fft->result_B[w];
+      fft->result_B[w] = wk_B;
+  }
+}
diff --git a/noncore/settings/sysinfo/sysinfo.cpp b/noncore/settings/sysinfo/sysinfo.cpp
index 5f7b527..fda6352 100644
--- a/noncore/settings/sysinfo/sysinfo.cpp
+++ b/noncore/settings/sysinfo/sysinfo.cpp
@@ -28,4 +28,5 @@
 #include "processinfo.h"
 #include "modulesinfo.h"
+#include "benchmarkinfo.h"
 #include "versioninfo.h"
 #include "sysinfo.h"
@@ -53,4 +54,5 @@ SystemInfo::SystemInfo( QWidget *parent, const char *name, WFlags )
     OTabWidget *tab = new OTabWidget( this, "tabwidget", OTabWidget::Global );
     lay->addWidget( tab );
+
     tab->addTab( new MemoryInfo( tab ), "sysinfo/memorytabicon", tr("Memory") );
 #if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
@@ -63,4 +65,5 @@ SystemInfo::SystemInfo( QWidget *parent, const char *name, WFlags )
         tab->addTab( new ModulesInfo( tab ), "sysinfo/moduletabicon", tr("Modules") );
     }
+    tab->addTab( new BenchmarkInfo( tab ), "sysinfo/benchmarktabicon", tr( "Benchmark" ) );
     tab->addTab( new VersionInfo( tab ), "sysinfo/versiontabicon", tr("Version") );
 
diff --git a/noncore/settings/sysinfo/sysinfo.pro b/noncore/settings/sysinfo/sysinfo.pro
index 3ba4266..4baae12 100644
--- a/noncore/settings/sysinfo/sysinfo.pro
+++ b/noncore/settings/sysinfo/sysinfo.pro
@@ -7,4 +7,5 @@ HEADERS   = memory.h \
       modulesinfo.h \
       detail.h \
+      benchmarkinfo.h \
       versioninfo.h \
       sysinfo.h
@@ -17,4 +18,5 @@ SOURCES   = main.cpp \
       modulesinfo.cpp \
       detail.cpp \
+      benchmarkinfo.cpp fft.c \
       versioninfo.cpp \
       sysinfo.cpp
@@ -22,5 +24,5 @@ SOURCES   = main.cpp \
 INCLUDEPATH += $(OPIEDIR)/include
 DEPENDPATH  += $(OPIEDIR)/include
-LIBS            += -lqpe -lopiecore2 -lopieui2
+LIBS        += -lqpe -lopiecore2 -lopieui2
 
 TARGET    = sysinfo
diff --git a/pics/sysinfo/benchmarktabicon.png b/pics/sysinfo/benchmarktabicon.png
new file mode 100644
index 0000000..356b962
--- a/dev/null
+++ b/pics/sysinfo/benchmarktabicon.png
diff --git a/pics/sysinfo/pattern.png b/pics/sysinfo/pattern.png
new file mode 100644
index 0000000..791d97c
--- a/dev/null
+++ b/pics/sysinfo/pattern.png