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Ref T570 Measure sortHint using true CPU time routines.

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This commit is contained in:
Mat Sutcliffe
2019-03-30 00:27:32 +00:00
parent c8d2f2be7e
commit 5d75d58784
3 changed files with 114 additions and 5 deletions
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13
tests/blackmisc/aviation/testaircraftsituation/testaircraftsituation.cpp
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@@ -14,6 +14,7 @@
#include "blackmisc/aviation/aircraftsituationchange.h"
#include "blackmisc/aviation/aircraftsituationlist.h"
#include "blackmisc/network/fsdsetup.h"
#include "blackmisc/cputime.h"
// #include "blackmisc/math/mathutils.h"
// #include "blackmisc/stringutils.h"
#include "test.h"
@@ -244,6 +245,7 @@ namespace BlackMiscTest
}
QTime time;
int cpuTime = getThreadCpuTimeMs();
time.start();
for (int i = 0; i < Loops; ++i)
{
@@ -254,8 +256,9 @@ namespace BlackMiscTest
QVERIFY(s1.getAdjustedMSecsSinceEpoch() < s2.getAdjustedMSecsSinceEpoch());
}
}
const int noHint = time.elapsed();
const auto noHint = std::make_pair(time.elapsed(), getThreadCpuTimeMs() - cpuTime);
cpuTime = getThreadCpuTimeMs();
time.start();
for (int i = 0; i < Loops; ++i)
{
@@ -266,12 +269,12 @@ namespace BlackMiscTest
QVERIFY(s1.getAdjustedMSecsSinceEpoch() < s2.getAdjustedMSecsSinceEpoch());
}
}
const int hint = time.elapsed();
const double ratio = static_cast<double>(hint) / static_cast<double>(noHint); // expected <1.0
const auto hint = std::make_pair(time.elapsed(), getThreadCpuTimeMs() - cpuTime);
const double ratio = static_cast<double>(hint.second) / static_cast<double>(noHint.second); // expected <1.0
//qDebug() << "MacOS:" << boolToYesNo(CBuildConfig::isRunningOnMacOSPlatform());
qDebug() << "Access without hint" << noHint << "ms";
qDebug() << "Access with hint" << hint << "ms";
qDebug() << "Access without hint" << noHint.first << "ms (CPU time" << noHint.second << "ms)";
qDebug() << "Access with hint" << hint.first << "ms (CPU time" << hint.second << "ms)";
qDebug() << "Access ratio" << ratio;
#if 0