Diff Report
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519f012418c24Run #519f02278cd90DiffDiff%
Number of Function Calls152 152 0 0.0%
Incl. Wall Time (microsec)1,523 1,470 -53 -3.5%
Incl. Wall Time (microsec) per call 10 10 -0 -3.5%
Excl. Wall Time (microsec)727 705 -22 -3.0%
Incl. CPU (microsecs)1,655 1,616 -39 -2.4%
Incl. CPU (microsecs) per call 11 11 -0 -2.4%
Excl. CPU (microsec)747 731 -16 -2.1%
Incl. MemUse (bytes)148,312 148,312 0 0.0%
Incl. MemUse (bytes) per call 976 976 0 0.0%
Excl. MemUse (bytes)139,048 139,048 0 0.0%
Incl. PeakMemUse (bytes)7,304 7,304 0 0.0%
Incl. PeakMemUse (bytes) per call 48 48 0 0.0%
Excl. PeakMemUse (bytes)7,304 7,304 0 0.0%

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% -53 -2.2% -39 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-22 -41.5% -16 -41.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -53 -100.0% -39 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -31 -58.5% -23 -59.0% 0 N/A% 0 N/A%