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Performance samples as discussed:

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* Vector vs List
* getByCallsign.getTimeBefore vs. getTimeBefore.getByCallsign
This commit is contained in:
Klaus Basan
2015-02-14 00:13:20 +01:00
parent 38a8c45b9e
commit 59612a8b2e
3 changed files with 112 additions and 6 deletions
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101
samples/blackmisc/samplesperformance.cpp
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@@ -8,9 +8,14 @@
*/
#include "samplesperformance.h"
#include "blackmisc/avaircraftsituationlist.h"
#include "blackmisc/coordinategeodetic.h"
#include "blackmisc/avaltitude.h"
#include "blackmisc/testing.h"
using namespace BlackMisc::Aviation;
using namespace BlackMisc::Geo;
using namespace BlackMisc::PhysicalQuantities;
namespace BlackMiscTest
{
@@ -18,7 +23,7 @@ namespace BlackMiscTest
/*
* Samples
*/
int CSamplesPerformance::samples(QTextStream &out)
int CSamplesPerformance::samplesMisc(QTextStream &out)
{
QTime timer;
int ms, number;
@@ -147,4 +152,98 @@ namespace BlackMiscTest
return 0;
}
int CSamplesPerformance::samplesImplementationType(QTextStream &out, int numberOfCallsigns, int numberOfTimes)
{
const QDateTime baseTime = QDateTime::currentDateTimeUtc();
const qint64 baseTimeEpoch = baseTime.toMSecsSinceEpoch();
CAircraftSituationList situations;
for (int cs = 0; cs < numberOfCallsigns; cs++)
{
CCallsign callsign("CS" + QString::number(cs));
CCoordinateGeodetic coordinate(cs, cs, cs);
CAltitude alt(cs, CAltitude::MeanSeaLevel, CLengthUnit::m());
for (int t = 0; t < numberOfTimes; t++)
{
CAircraftSituation s(callsign, coordinate, alt);
s.setMSecsSinceEpoch(baseTimeEpoch + 10 * t);
situations.push_back(s);
}
}
QTime timer;
out << "Created " << situations.size() << " situations" << endl;
timer.start();
for (int i = 0; i < 10; i++)
{
for (int cs = 0; cs < numberOfCallsigns; cs++)
{
CCallsign callsign("CS" + QString::number(cs));
CAircraftSituationList r = situations.findByCallsign(callsign);
Q_ASSERT(r.size() == numberOfTimes);
}
}
out << "Reads by callsigns: " << timer.elapsed() << "ms" << endl;
timer.start();
for (int i = 0; i < 10; i++)
{
for (int t = 0; t < numberOfTimes; t++)
{
CAircraftSituationList r = situations.findBefore(baseTimeEpoch + 1 + (10 * t));
Q_ASSERT(r.size() == numberOfCallsigns * (t + 1));
}
}
out << "Reads by times: " << timer.elapsed() << "ms" << endl;
timer.start();
for (int t = 0; t < numberOfTimes; t++)
{
for (int cs = 0; cs < numberOfCallsigns; cs++)
{
CCallsign callsign("CS" + QString::number(cs));
CAircraftSituationList r = situations.findByCallsign(callsign).findBefore(baseTimeEpoch + 1 + (10 * t));
}
}
out << "Reads by callsign / times: " << timer.elapsed() << "ms" << endl;
timer.start();
for (int t = 0; t < numberOfTimes; t++)
{
for (int cs = 0; cs < numberOfCallsigns; cs++)
{
CCallsign callsign("CS" + QString::number(cs));
CAircraftSituationList r = situations.findBefore(baseTimeEpoch + 1 + (10 * t)).findByCallsign(callsign);
}
}
out << "Reads by times / callsign: " << timer.elapsed() << "ms" << endl;
situations.changeImpl<QVector<CAircraftSituation> >();
out << "Changed to QVector" << endl;
timer.start();
for (int i = 0; i < 10; i++)
{
for (int cs = 0; cs < numberOfCallsigns; cs++)
{
CCallsign callsign("CS" + QString::number(cs));
CAircraftSituationList r = situations.findByCallsign(callsign);
Q_ASSERT(r.size() == numberOfTimes);
}
}
out << "Reads by callsigns: " << timer.elapsed() << "ms" << endl;
timer.start();
for (int i = 0; i < 10; i++)
{
for (int t = 0; t < numberOfTimes; t++)
{
CAircraftSituationList r = situations.findBefore(baseTimeEpoch + 1 + (10 * t));
Q_ASSERT(r.size() == numberOfCallsigns * (t + 1));
}
}
out << "Reads by times: " << timer.elapsed() << "ms" << endl << endl;
return 0;
}
} // namespace