Diff Report
Run #519ead70538d1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eadc55e057: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519ead70538d1Run #519eadc55e057DiffDiff%
Number of Function Calls188 188 0 0.0%
Incl. Wall Time (microsec)2,875 2,860 -15 -0.5%
Incl. Wall Time (microsec) per call 15 15 -0 -0.5%
Excl. Wall Time (microsec)1,373 1,361 -12 -0.9%
Incl. CPU (microsecs)3,065 3,040 -25 -0.8%
Incl. CPU (microsecs) per call 16 16 -0 -0.8%
Excl. CPU (microsec)1,389 1,373 -16 -1.2%
Incl. MemUse (bytes)148,820 148,820 0 0.0%
Incl. MemUse (bytes) per call 792 792 0 0.0%
Excl. MemUse (bytes)147,760 147,760 0 0.0%
Incl. PeakMemUse (bytes)22,548 22,548 0 0.0%
Incl. PeakMemUse (bytes) per call 120 120 0 0.0%
Excl. PeakMemUse (bytes)21,432 21,432 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% -15 -1.1% -25 -10.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -80.0% -16 -64.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -15 -100.0% -25 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -3 -20.0% -9 -36.0% 0 N/A% 0 N/A%