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358 lines
10 KiB
C++
358 lines
10 KiB
C++
/***************************************************************************
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qgsbench.cpp - Benchmark
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-------------------
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begin : 2011-11-15
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copyright : (C) 2011 Radim Blazek
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email : radim dot blazek at gmail dot com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <QtGlobal>
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#include <cmath>
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#include <ctime>
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#include <iostream>
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#include <cstdio>
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#ifndef Q_OS_WIN
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#include <sys/resource.h>
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#endif
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#include <ctime>
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#include <cmath>
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#include <QFile>
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#include <QFileInfo>
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#include <QPainter>
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#include <QSettings>
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#include <QString>
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#include <QTextStream>
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#include <QTime>
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#ifndef QGSVERSION
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#include "qgsversion.h"
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#endif
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#include "qgsbench.h"
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#include "qgslogger.h"
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#include "qgsmaprendererparalleljob.h"
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#include "qgsmaprenderersequentialjob.h"
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#include "qgsproject.h"
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const char *pre[] = { "user", "sys", "total", "wall" };
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#ifdef Q_OS_WIN
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// slightly adapted from http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/port/getrusage.c?rev=1.18;content-type=text%2Fplain
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#include <winsock2.h>
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#include <errno.h>
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#define RUSAGE_SELF 0
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struct rusage
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{
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struct timeval ru_utime; /* user time used */
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struct timeval ru_stime; /* system time used */
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};
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/*-------------------------------------------------------------------------
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*
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* getrusage.c
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* get information about resource utilisation
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*
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* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/port/getrusage.c,v 1.18 2010-01-02 16:58:13 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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int getrusage( int who, struct rusage *rusage )
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{
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FILETIME starttime;
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FILETIME exittime;
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FILETIME kerneltime;
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FILETIME usertime;
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ULARGE_INTEGER li;
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if ( who != RUSAGE_SELF )
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{
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/* Only RUSAGE_SELF is supported in this implementation for now */
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errno = EINVAL;
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return -1;
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}
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if ( !rusage )
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{
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errno = EFAULT;
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return -1;
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}
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memset( rusage, 0, sizeof( struct rusage ) );
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if ( GetProcessTimes( GetCurrentProcess(),
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&starttime, &exittime, &kerneltime, &usertime ) == 0 )
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{
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// _dosmaperr(GetLastError());
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return -1;
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}
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/* Convert FILETIMEs (0.1 us) to struct timeval */
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memcpy( &li, &kerneltime, sizeof( FILETIME ) );
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li.QuadPart /= 10L; /* Convert to microseconds */
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rusage->ru_stime.tv_sec = li.QuadPart / 1000000L;
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rusage->ru_stime.tv_usec = li.QuadPart % 1000000L;
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memcpy( &li, &usertime, sizeof( FILETIME ) );
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li.QuadPart /= 10L; /* Convert to microseconds */
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rusage->ru_utime.tv_sec = li.QuadPart / 1000000L;
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rusage->ru_utime.tv_usec = li.QuadPart % 1000000L;
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return 0;
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}
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#endif
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QgsBench::QgsBench( int width, int height, int iterations )
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: mWidth( width )
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, mHeight( height )
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, mIterations( iterations )
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, mSetExtent( false )
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, mUserStart( 0.0 )
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, mSysStart( 0.0 )
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, mParallel( false )
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{
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QgsDebugMsgLevel( QStringLiteral( "mIterations = %1" ).arg( mIterations ), 1 );
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connect( QgsProject::instance(), &QgsProject::readProject,
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this, &QgsBench::readProject );
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}
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bool QgsBench::openProject( const QString &fileName )
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{
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if ( ! QgsProject::instance()->read( fileName ) )
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{
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return false;
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}
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mLogMap.insert( QStringLiteral( "project" ), fileName );
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return true;
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}
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void QgsBench::readProject( const QDomDocument &doc )
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{
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const QDomNodeList nodes = doc.elementsByTagName( QStringLiteral( "mapcanvas" ) );
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if ( nodes.count() )
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{
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QDomNode node = nodes.item( 0 );
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mMapSettings.readXml( node );
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}
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else
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{
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fprintf( stderr, "Cannot read mapcanvas from project\n" );
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}
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}
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void QgsBench::setExtent( const QgsRectangle &extent )
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{
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mExtent = extent;
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mSetExtent = true;
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}
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void QgsBench::render()
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{
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QgsDebugMsgLevel( "extent: " + mMapSettings.extent().toString(), 1 );
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const QMap<QString, QgsMapLayer *> layersMap = QgsProject::instance()->mapLayers();
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mMapSettings.setLayers( layersMap.values() );
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if ( mSetExtent )
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{
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mMapSettings.setExtent( mExtent );
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}
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// Maybe in future
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//outputCRS = QgsCrsCache::instance()->crsByAuthId( crsId );
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//mMapRenderer->setMapUnits( outputCRS.mapUnits() );
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//mMapRenderer->setDestinationCrs( outputCRS );
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// Enable labeling
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mMapSettings.setFlag( Qgis::MapSettingsFlag::DrawLabeling );
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mMapSettings.setOutputSize( QSize( mWidth, mHeight ) );
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// TODO: do we need the other QPainter flags?
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mMapSettings.setFlag( Qgis::MapSettingsFlag::Antialiasing, mRendererHints.testFlag( QPainter::Antialiasing ) );
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for ( int i = 0; i < mIterations; i++ )
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{
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QgsMapRendererQImageJob *job = nullptr;
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if ( mParallel )
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job = new QgsMapRendererParallelJob( mMapSettings );
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else
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job = new QgsMapRendererSequentialJob( mMapSettings );
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start();
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job->start();
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job->waitForFinished();
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elapsed();
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mImage = job->renderedImage();
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delete job;
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}
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mLogMap.insert( QStringLiteral( "iterations" ), mTimes.size() );
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mLogMap.insert( QStringLiteral( "revision" ), QGSVERSION );
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// Calc stats: user, sys, total
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double min[4] = {std::numeric_limits<double>::max()};
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double max[4] = { std::numeric_limits<double>::lowest()};
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double stdev[4] = {0.};
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double maxdev[4] = {0.};
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double avg[4] = {0.};
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for ( int t = 0; t < 4; t++ )
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{
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for ( int i = 0; i < mTimes.size(); i++ )
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{
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avg[t] += mTimes.at( i )[t];
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if ( i == 0 || mTimes.at( i )[t] < min[t] ) min[t] = mTimes.at( i )[t];
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if ( i == 0 || mTimes.at( i )[t] > max[t] ) max[t] = mTimes.at( i )[t];
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}
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avg[t] /= mTimes.size();
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}
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QMap<QString, QVariant> timesMap;
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for ( int t = 0; t < 4; t++ )
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{
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if ( mIterations > 1 )
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{
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for ( int i = 0; i < mTimes.size(); i++ )
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{
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const double d = std::fabs( avg[t] - mTimes.at( i )[t] );
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stdev[t] += std::pow( d, 2 );
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if ( i == 0 || d > maxdev[t] ) maxdev[t] = d;
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}
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stdev[t] = std::sqrt( stdev[t] / mTimes.size() );
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}
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QMap<QString, QVariant> map;
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map.insert( QStringLiteral( "min" ), min[t] );
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map.insert( QStringLiteral( "max" ), max[t] );
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map.insert( QStringLiteral( "avg" ), avg[t] );
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map.insert( QStringLiteral( "stdev" ), stdev[t] );
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map.insert( QStringLiteral( "maxdev" ), maxdev[t] );
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timesMap.insert( pre[t], map );
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}
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mLogMap.insert( QStringLiteral( "times" ), timesMap );
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}
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void QgsBench::saveSnapsot( const QString &fileName )
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{
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// If format is 0, QImage will attempt to guess the format by looking at fileName's suffix.
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mImage.save( fileName );
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}
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void QgsBench::printLog( const QString &printTime )
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{
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std::cout << "iterations: " << mLogMap[QStringLiteral( "iterations" )].toString().toLatin1().constData() << std::endl;
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bool validPrintTime = false;
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for ( int x = 0; x < 4; ++x )
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if ( printTime == pre[x] )
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validPrintTime = true;
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if ( !validPrintTime )
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{
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std::cout << "invalid --print option: " << printTime.toLatin1().data() << std::endl;
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return;
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}
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QMap<QString, QVariant> timesMap = mLogMap[QStringLiteral( "times" )].toMap();
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QMap<QString, QVariant> totalMap = timesMap[printTime].toMap();
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QMap<QString, QVariant>::iterator i = totalMap.begin();
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while ( i != totalMap.end() )
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{
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const QString s = printTime + '_' + i.key() + ": " + i.value().toString();
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std::cout << s.toLatin1().constData() << std::endl;
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++i;
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}
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}
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QString QgsBench::serialize( const QMap<QString, QVariant> &map, int level )
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{
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QStringList list;
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const QString space = QStringLiteral( " " ).repeated( level * 2 );
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const QString space2 = QStringLiteral( " " ).repeated( level * 2 + 2 );
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QMap<QString, QVariant>::const_iterator i = map.constBegin();
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while ( i != map.constEnd() )
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{
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switch ( static_cast< QMetaType::Type >( i.value().userType() ) )
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{
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case QMetaType::Int:
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list.append( space2 + '\"' + i.key() + "\": " + QString::number( i.value().toInt() ) );
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break;
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case QMetaType::Double:
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list.append( space2 + '\"' + i.key() + "\": " + QStringLiteral( "%1" ).arg( i.value().toDouble(), 0, 'f', 3 ) );
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break;
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case QMetaType::QString:
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list.append( space2 + '\"' + i.key() + "\": \"" + i.value().toString().replace( '\\', QLatin1String( "\\\\" ) ).replace( '\"', QLatin1String( "\\\"" ) ) + '\"' );
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break;
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//case QMetaType::QMap: QMap is not in QMetaType
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default:
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list.append( space2 + '\"' + i.key() + "\": " + serialize( i.value().toMap(), level + 1 ) );
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break;
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}
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++i;
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}
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return space + "{\n" + list.join( QLatin1String( ",\n" ) ) + '\n' + space + '}';
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}
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void QgsBench::saveLog( const QString &fileName )
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{
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QFile file( fileName );
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if ( !file.open( QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate ) )
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return;
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QTextStream out( &file );
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out << serialize( mLogMap ).toLatin1().constData() << '\n';
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file.close();
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}
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void QgsBench::start()
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{
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struct rusage usage;
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getrusage( RUSAGE_SELF, &usage );
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mUserStart = usage.ru_utime.tv_sec + usage.ru_utime.tv_usec / 1000000.;
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mSysStart = usage.ru_stime.tv_sec + usage.ru_stime.tv_usec / 1000000.;
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mWallTime.start();
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}
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void QgsBench::elapsed()
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{
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struct rusage usage;
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getrusage( RUSAGE_SELF, &usage );
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const double userEnd = usage.ru_utime.tv_sec + usage.ru_utime.tv_usec / 1000000.;
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const double sysEnd = usage.ru_stime.tv_sec + usage.ru_stime.tv_usec / 1000000.;
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double *t = new double[4];
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t[0] = userEnd - mUserStart;
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t[1] = sysEnd - mSysStart;
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t[2] = t[0] + t[1];
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t[3] = mWallTime.elapsed() / 1000.;
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mTimes.append( t );
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}
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