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Ref T270, interpolator optimization by passing aircraft number

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Rational: Except for FS9 we interpolate all aircraft in one loop at the same time. This can cause that some steps are always done at the same time for all aircraft of that loop. By passing the number we can more equally distribute such tasks, avoiding peaks.
This commit is contained in:
Klaus Basan
2018-06-01 18:02:11 +02:00
parent d39978a1d0
commit 181ed36f3d
13 changed files with 55 additions and 37 deletions
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37
src/blackmisc/simulation/interpolator.cpp
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@@ -142,18 +142,19 @@ namespace BlackMisc
}
template<typename Derived>
CInterpolationResult CInterpolator<Derived>::getInterpolation(qint64 currentTimeSinceEpoc, const CInterpolationAndRenderingSetupPerCallsign &setup)
CInterpolationResult CInterpolator<Derived>::getInterpolation(qint64 currentTimeSinceEpoc, const CInterpolationAndRenderingSetupPerCallsign &setup, int aircraftNumber)
{
CInterpolationResult result;
do
{
// make sure we can also interpolate parts only (needed in unit tests)
const bool init = this->initIniterpolationStepData(currentTimeSinceEpoc, setup);
if (aircraftNumber < 0) { aircraftNumber = 0; }
const bool init = this->initIniterpolationStepData(currentTimeSinceEpoc, setup, aircraftNumber);
if (!m_unitTest && !init) { break; } // failure in real scenarios, unit tests move on
Q_ASSERT_X(m_currentTimeMsSinceEpoch > 0, Q_FUNC_INFO, "No valid timestamp, interpolator initialized?");
const CAircraftSituation interpolatedSituation = this->getInterpolatedSituation();
const CAircraftParts interpolatedParts = this->getInterpolatedOrGuessedParts();
const CAircraftParts interpolatedParts = this->getInterpolatedOrGuessedParts(aircraftNumber);
result.setValues(interpolatedSituation, interpolatedParts);
}
@@ -168,12 +169,12 @@ namespace BlackMisc
{
if (m_currentSituations.isEmpty())
{
m_lastInterpolation = CAircraftSituation::null();
m_lastSituation = CAircraftSituation::null();
return CAircraftSituation::null();
}
const CAircraftSituation latest = m_currentSituations.front();
CAircraftSituation currentSituation = m_lastInterpolation.isNull() ? latest : m_lastInterpolation;
CAircraftSituation currentSituation = m_lastSituation.isNull() ? latest : m_lastSituation;
if (currentSituation.getCallsign() != m_callsign)
{
BLACK_VERIFY_X(false, Q_FUNC_INFO, "Wrong callsign");
@@ -246,7 +247,7 @@ namespace BlackMisc
}
// bye
m_lastInterpolation = currentSituation;
m_lastSituation = currentSituation;
return currentSituation;
}
@@ -286,8 +287,14 @@ namespace BlackMisc
}
template<typename Derived>
CAircraftParts CInterpolator<Derived>::getInterpolatedOrGuessedParts()
CAircraftParts CInterpolator<Derived>::getInterpolatedOrGuessedParts(int aircraftNumber)
{
Q_ASSERT_X(m_partsToSituationInterpolationRatio >= 1 && m_partsToSituationInterpolationRatio < 11, Q_FUNC_INFO, "Wrong ratio");
if (!m_unitTest && !m_lastParts.isNull() && ((m_interpolatedSituationsCounter + aircraftNumber) % m_partsToSituationInterpolationRatio) == 0)
{
return m_lastParts;
}
CAircraftParts parts;
if (m_currentSetup.isAircraftPartsEnabled())
{
@@ -300,9 +307,11 @@ namespace BlackMisc
if (!m_currentPartsStatus.isSupportingParts())
{
// check if model has been thru model matching
parts.guessParts(m_lastInterpolation, m_currentSituationChange, m_model);
parts.guessParts(m_lastSituation, m_currentSituationChange, m_model);
this->logParts(parts, 0, false);
}
m_lastParts = parts;
return parts;
}
@@ -335,13 +344,13 @@ namespace BlackMisc
QStringLiteral(" parts: ") %
QString::number(this->remoteAircraftPartsCount(m_callsign)) %
QStringLiteral(" 1st interpolation: ") %
boolToYesNo(m_lastInterpolation.isNull());
boolToYesNo(m_lastSituation.isNull());
}
template<typename Derived>
void CInterpolator<Derived>::resetLastInterpolation()
{
m_lastInterpolation.setNull();
m_lastSituation.setNull();
}
template<typename Derived>
@@ -361,12 +370,12 @@ namespace BlackMisc
}
template<typename Derived>
bool CInterpolator<Derived>::initIniterpolationStepData(qint64 currentTimeSinceEpoc, const CInterpolationAndRenderingSetupPerCallsign &setup)
bool CInterpolator<Derived>::initIniterpolationStepData(qint64 currentTimeSinceEpoc, const CInterpolationAndRenderingSetupPerCallsign &setup, int aircraftNumber)
{
Q_ASSERT_X(!m_callsign.isEmpty(), Q_FUNC_INFO, "Missing callsign");
const qint64 lastModifed = this->situationsLastModified(m_callsign);
const bool slowUpdateStep = ((m_interpolatedSituationsCounter % 25) == 0); // flag when parts are updated, which need not to be updated every time
const bool slowUpdateStep = (((m_interpolatedSituationsCounter + aircraftNumber) % 25) == 0); // flag when parts are updated, which need not to be updated every time
const bool changedSetup = m_currentSetup != setup;
const bool changedSituations = lastModifed > m_situationsLastModified;
@@ -392,7 +401,7 @@ namespace BlackMisc
if (m_currentSituations.isEmpty())
{
const bool inRange = this->isAircraftInRange(m_callsign);
m_lastInterpolation = CAircraftSituation::null(); // no interpolation possible for that step
m_lastSituation = CAircraftSituation::null(); // no interpolation possible for that step
m_currentInterpolationStatus.setExtraInfo(inRange ?
QString("No situations, but remote aircraft '%1'").arg(m_callsign.asString()) :
QString("Unknown remote aircraft: '%1'").arg(m_callsign.asString()));
@@ -400,7 +409,7 @@ namespace BlackMisc
else
{
success = true;
m_interpolatedSituationsCounter++;
m_interpolatedSituationsCounter++; // counter updated in initIniterpolationStepData
// with the latest updates of T243 the order and the offsets are supposed to be correct
// so even mixing fast/slow updates shall work