Diff Report
Run #536ffcbacf96d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #536ffcbacf96dRun #536ffbe232db1DiffDiff%
Number of Function Calls220 220 0 0.0%
Incl. Wall Time (microsec)2,068 2,050 -18 -0.9%
Incl. Wall Time (microsec) per call 9 9 -0 -0.9%
Excl. Wall Time (microsec)1,077 1,066 -11 -1.0%
Incl. CPU (microsecs)2,245 2,216 -29 -1.3%
Incl. CPU (microsecs) per call 10 10 -0 -1.3%
Excl. CPU (microsec)1,059 1,033 -26 -2.5%
Incl. MemUse (bytes)194,808 194,808 0 0.0%
Incl. MemUse (bytes) per call 885 885 0 0.0%
Excl. MemUse (bytes)182,344 182,344 0 0.0%
Incl. PeakMemUse (bytes)17,856 17,536 -320 -1.8%
Incl. PeakMemUse (bytes) per call 81 80 -1 -1.8%
Excl. PeakMemUse (bytes)16,184 15,864 -320 -2.0%

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% -18 -1.1% -29 -1.6% 0 0.0% -320 -0.9%
Exclusive Metrics Diff for Current Function-11 -61.1% -26 -89.7% 0 N/A% -320 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -18 -100.0% -29 -100.0% 0 N/A% -320 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -7 -38.9% -3 -10.3% 0 N/A% 0 0.0%