Diff Report
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc588c7973: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51abc4cb0a647Run #51abc588c7973DiffDiff%
Number of Function Calls93 93 0 0.0%
Incl. Wall Time (microsec)818 843 25 3.1%
Incl. Wall Time (microsec) per call 9 9 0 3.1%
Excl. Wall Time (microsec)408 419 11 2.7%
Incl. CPU (microsecs)897 936 39 4.3%
Incl. CPU (microsecs) per call 10 10 0 4.3%
Excl. CPU (microsec)404 432 28 6.9%
Incl. MemUse (bytes)88,696 88,696 0 0.0%
Incl. MemUse (bytes) per call 954 954 0 0.0%
Excl. MemUse (bytes)82,264 82,264 0 0.0%
Incl. PeakMemUse (bytes)5,432 5,296 -136 -2.5%
Incl. PeakMemUse (bytes) per call 58 57 -1 -2.5%
Excl. PeakMemUse (bytes)5,376 5,240 -136 -2.5%

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% 25 45.5% 39 2.3% 0 0.0% -136 -0.5%
Exclusive Metrics Diff for Current Function11 44.0% 28 71.8% 0 N/A% -136 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 25 100.0% 39 100.0% 0 N/A% -136 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 14 56.0% 11 28.2% 0 N/A% 0 0.0%