Diff Report
Run #51b89eaf4e36e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51b89eaf4e36eRun #51b89dd280f98DiffDiff%
Number of Function Calls174 174 0 0.0%
Incl. Wall Time (microsec)2,427 2,462 35 1.4%
Incl. Wall Time (microsec) per call 14 14 0 1.4%
Excl. Wall Time (microsec)1,030 1,061 31 3.0%
Incl. CPU (microsecs)2,586 2,606 20 0.8%
Incl. CPU (microsecs) per call 15 15 0 0.8%
Excl. CPU (microsec)1,074 1,054 -20 -1.9%
Incl. MemUse (bytes)200,208 200,208 0 0.0%
Incl. MemUse (bytes) per call 1,151 1,151 0 0.0%
Excl. MemUse (bytes)189,888 189,888 0 0.0%
Incl. PeakMemUse (bytes)5,640 5,640 0 0.0%
Incl. PeakMemUse (bytes) per call 32 32 0 0.0%
Excl. PeakMemUse (bytes)5,472 5,472 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% 35 5.0% 20 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function31 88.6% -20 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 35 100.0% 20 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 4 11.4% 40 200.0% 0 N/A% 0 N/A%