Diff Report
Run #51e30f7568a45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e3103d95a81: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51e30f7568a45Run #51e3103d95a81DiffDiff%
Number of Function Calls119 119 0 0.0%
Incl. Wall Time (microsec)1,290 1,265 -25 -1.9%
Incl. Wall Time (microsec) per call 11 11 -0 -1.9%
Excl. Wall Time (microsec)620 598 -22 -3.5%
Incl. CPU (microsecs)1,394 1,371 -23 -1.6%
Incl. CPU (microsecs) per call 12 12 -0 -1.6%
Excl. CPU (microsec)621 613 -8 -1.3%
Incl. MemUse (bytes)109,200 109,200 0 0.0%
Incl. MemUse (bytes) per call 918 918 0 0.0%
Excl. MemUse (bytes)101,520 101,520 0 0.0%
Incl. PeakMemUse (bytes)11,872 11,736 -136 -1.1%
Incl. PeakMemUse (bytes) per call 100 99 -1 -1.1%
Excl. PeakMemUse (bytes)10,000 9,864 -136 -1.4%

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 -0.4% -23 -4.9% 0 0.0% -136 -0.1%
Exclusive Metrics Diff for Current Function-22 -88.0% -8 -34.8% 0 N/A% -136 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -25 -100.0% -23 -100.0% 0 N/A% -136 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -3 -12.0% -15 -65.2% 0 N/A% 0 0.0%