Diff Report
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee657ba49e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #531ee5f3237b0Run #531ee657ba49eDiffDiff%
Number of Function Calls173 174 1 0.6%
Incl. Wall Time (microsec)2,908 2,847 -61 -2.1%
Incl. Wall Time (microsec) per call 17 16 -0 -2.7%
Excl. Wall Time (microsec)749 746 -3 -0.4%
Incl. CPU (microsecs)3,086 3,005 -81 -2.6%
Incl. CPU (microsecs) per call 18 17 -1 -3.2%
Excl. CPU (microsec)661 669 8 1.2%
Incl. MemUse (bytes)189,912 190,864 952 0.5%
Incl. MemUse (bytes) per call 1,098 1,097 -1 -0.1%
Excl. MemUse (bytes)-34,328 -34,480 -152 -0.4%
Incl. PeakMemUse (bytes)47,880 47,720 -160 -0.3%
Incl. PeakMemUse (bytes) per call 277 274 -3 -0.9%
Excl. PeakMemUse (bytes)1,736 1,736 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [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\Database\Connection::prepareQuery1 33.3% -61 -2.4% -81 -2.7% 952 1.2% -160 -0.2%
Exclusive Metrics Diff for Current Function-3 -4.9% 8 9.9% -152 -16.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query1 100.0% -61 -100.0% -81 -100.0% 952 100.0% -160 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables1 50.0% -80 -131.1% -79 -97.5% 200 21.0% -64 -40.0%
PDO::prepare1 50.0% 22 36.1% -10 -12.3% 904 95.0% -96 -60.0%