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Ref T202, Ref T189 samples (based on RW's review and discussion)

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This commit is contained in:
Klaus Basan
2017-12-21 19:17:07 +01:00
parent 379c53e0cc
commit 69d1897f62
3 changed files with 105 additions and 7 deletions
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2
samples/blackmisc/main.cpp
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@@ -53,6 +53,7 @@ int main(int argc, char *argv[])
qtout << "6d .. JSON model performance (database vs. own JSON)" << endl;
qtout << "6e .. string utils vs.regex" << endl;
qtout << "6f .. string concatenation (+=, arg, ..)" << endl;
qtout << "6g .. const &QString vs. QStringLiteral" << endl;
qtout << "7 .. Algorithms" << endl;
qtout << "-----" << endl;
qtout << "x .. Bye" << endl;
@@ -68,6 +69,7 @@ int main(int argc, char *argv[])
else if (s.startsWith("6d")) { CSamplesPerformance::samplesJsonModel(qtout); }
else if (s.startsWith("6e")) { CSamplesPerformance::samplesStringUtilsVsRegEx(qtout); }
else if (s.startsWith("6f")) { CSamplesPerformance::samplesStringConcat(qtout); }
else if (s.startsWith("6g")) { CSamplesPerformance::samplesStringLiteralVsConstQString(qtout); }
else if (s.startsWith("7")) { CSamplesAlgorithm::samples(); }
else if (s.startsWith("x")) { break; }
}

95
samples/blackmisc/samplesperformance.cpp
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@@ -181,7 +181,7 @@ namespace BlackSample
out << "contains matched " << number << " of " << strList4.size() << " strings in " << ms << "ms" << endl;
out << "-----------------------------------------------" << endl;
return 0;
return EXIT_SUCCESS;
}
int CSamplesPerformance::interpolatorScenario(QTextStream &out, int numberOfCallsigns, int numberOfTimes)
@@ -239,7 +239,7 @@ namespace BlackSample
out << "Split by callsign, by time: " << timer.elapsed() << "ms" << endl;
out << endl;
return 0;
return EXIT_SUCCESS;
}
int CSamplesPerformance::samplesJson(QTextStream &out)
@@ -272,7 +272,7 @@ namespace BlackSample
models.convertFromMemoizedJson(json);
out << "Convert 10,000 aircraft models from JSON (memoize): " << timer.elapsed() << "ms" << endl << endl;
return 0;
return EXIT_SUCCESS;
}
int CSamplesPerformance::samplesJsonModel(QTextStream &out)
@@ -306,7 +306,7 @@ namespace BlackSample
out << "Read via swift JSON format: " << swiftModels.size() << " models in " << ms << "ms" << endl;
Q_ASSERT_X(swiftModels.size() == dbModels.size(), Q_FUNC_INFO, "Mismatching container size");
return 0;
return EXIT_SUCCESS;
}
int CSamplesPerformance::samplesStringUtilsVsRegEx(QTextStream &out)
@@ -387,7 +387,7 @@ namespace BlackSample
}
out << "Split 100,000 line string into list of lines: (QList<QStringRef>) " << timer.elapsed() << "ms" << endl;
return 0;
return EXIT_SUCCESS;
}
int CSamplesPerformance::samplesStringConcat(QTextStream &out)
@@ -470,7 +470,63 @@ namespace BlackSample
out << "arg QStringLiteral multiple " << time.elapsed() << "ms" << endl;
x.clear();
return 0;
return EXIT_SUCCESS;
}
int CSamplesPerformance::samplesStringLiteralVsConstQString(QTextStream &out)
{
const int loop = 1e7;
QTime time;
QString x;
time.start();
for (int i = 0; i < loop; i++)
{
x = fooString();
}
out << "by constQString " << time.elapsed() << "ms" << endl;
x.clear();
time.start();
for (int i = 0; i < loop; i++)
{
x = fooStringLiteral();
}
out << "by QStringLiteral " << time.elapsed() << "ms" << endl;
x.clear();
time.start();
for (int i = 0; i < loop; i++)
{
x = QString("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus diam. Sed nisi.");
}
out << "by QString(\"...\") " << time.elapsed() << "ms" << endl;
x.clear();
time.start();
for (int i = 0; i < loop; i++)
{
x = QStringLiteral("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus diam. Sed nisi.");
}
out << "by QStringLiteral(\"...\") " << time.elapsed() << "ms" << endl;
x.clear();
time.start();
for (int i = 0; i < loop; i++)
{
QStringList foo = generateList();
Q_UNUSED(foo.size());
}
out << "generated list " << time.elapsed() << "ms" << endl;
time.start();
for (int i = 0; i < loop; i++)
{
QStringList foo = replacedList();
Q_UNUSED(foo.size());
}
out << "replaced list " << time.elapsed() << "ms" << endl;
return EXIT_SUCCESS;
}
CAircraftSituationList CSamplesPerformance::createSituations(qint64 baseTimeEpoch, int numberOfCallsigns, int numberOfTimes)
@@ -518,7 +574,7 @@ namespace BlackSample
{
if (n < 1) return;
CAtcStation atc = CTesting::createStation(1);
QList<CCoordinateGeodetic> pos(
const QList<CCoordinateGeodetic> pos(
{
CCoordinateGeodetic(10.0, 10.0, 10.0),
CCoordinateGeodetic(20.0, 20.0, 20.0),
@@ -567,6 +623,31 @@ namespace BlackSample
}
}
const QString &CSamplesPerformance::fooString()
{
static const QString s("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus diam. Sed nisi.");
return s;
}
QString CSamplesPerformance::fooStringLiteral()
{
return QStringLiteral("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus diam. Sed nisi.");
}
QStringList CSamplesPerformance::generateList()
{
return QStringList({"1", "2", "3", "4"});
}
QStringList CSamplesPerformance::replacedList()
{
static const QStringList l({"1", "2", "3", "4"});
QStringList lc(l);
lc[1] = QStringLiteral("6");
lc[3] = QStringLiteral("7");
return lc;
}
const CAtcStationList &CSamplesPerformance::stations10k()
{
static const CAtcStationList s = CTesting::createAtcStations(10000, false);

15
samples/blackmisc/samplesperformance.h
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@@ -44,6 +44,9 @@ namespace BlackSample
//! String manipulation (concatenation)
static int samplesStringConcat(QTextStream &out);
//! const QString vs. QStringLiteral
static int samplesStringLiteralVsConstQString(QTextStream &out);
private:
static const qint64 DeltaTime = 10;
@@ -70,6 +73,18 @@ namespace BlackSample
//! parse coordinates from WGS
static void parseWgs(int times);
//! String as reference
static const QString &fooString();
//! String as reference
static QString fooStringLiteral();
//! String list generated
static QStringList generateList();
//! String list generated
static QStringList replacedList();
};
} // namespace