Diff Report
Run #523f1f1f50546: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #523f1f1f50546Run #523f1dee40c1aDiffDiff%
Number of Function Calls243 243 0 0.0%
Incl. Wall Time (microsec)2,294 2,213 -81 -3.5%
Incl. Wall Time (microsec) per call 9 9 -0 -3.5%
Excl. Wall Time (microsec)1,101 1,065 -36 -3.3%
Incl. CPU (microsecs)2,478 2,435 -43 -1.7%
Incl. CPU (microsecs) per call 10 10 -0 -1.7%
Excl. CPU (microsec)1,081 1,089 8 0.7%
Incl. MemUse (bytes)228,728 228,696 -32 -0.0%
Incl. MemUse (bytes) per call 941 941 -0 -0.0%
Excl. MemUse (bytes)215,096 215,064 -32 -0.0%
Incl. PeakMemUse (bytes)13,760 13,664 -96 -0.7%
Incl. PeakMemUse (bytes) per call 57 56 -0 -0.7%
Excl. PeakMemUse (bytes)11,840 11,688 -152 -1.3%

Parent/Child Regression/Improvement report for PDO::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
PDO::prepare0 N/A% -81 -2.4% -43 -1.4% -32 -0.0% -96 -0.1%
Exclusive Metrics Diff for Current Function-36 -44.4% 8 18.6% -32 -100.0% -152 -158.3%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -81 -100.0% -43 -100.0% -32 -100.0% -96 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -45 -55.6% -51 -118.6% 0 0.0% 56 58.3%