Diff Report
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Entity\Query\Sql\Query::prepare

Drupal\Core\Entity\Query\Sql\Query::prepareRun #534ad972c8c0dRun #534ad8dec7444DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)1,281 1,282 1 0.1%
Incl. Wall Time (microsec) per call 160 160 0 0.1%
Excl. Wall Time (microsec)394 390 -4 -1.0%
Incl. CPU (microsecs)1,289 1,293 4 0.3%
Incl. CPU (microsecs) per call 161 162 1 0.3%
Excl. CPU (microsec)306 294 -12 -3.9%
Incl. MemUse (bytes)37,256 37,256 0 0.0%
Incl. MemUse (bytes) per call 4,657 4,657 0 0.0%
Excl. MemUse (bytes)7,420 7,420 0 0.0%
Incl. PeakMemUse (bytes)24,088 24,088 0 0.0%
Incl. PeakMemUse (bytes) per call 3,011 3,011 0 0.0%
Excl. PeakMemUse (bytes)4,000 4,000 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Entity\Query\Sql\Query::prepare [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 1 0.1% 4 0.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -400.0% -12 -300.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Entity\Query\Sql\Query::execute0 N/A% 1 100.0% 4 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::select0 N/A% 17 1700.0% 24 600.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::getKey0 N/A% -10 -1000.0% -7 -175.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addMetaData0 N/A% -2 -200.0% 3 75.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addTag0 N/A% 0 0.0% -7 -175.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::getBaseTable0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityType::getDataTable0 N/A% 0 0.0% 2 50.0% 0 N/A% 0 N/A%