Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519ff693b4ca2Run #519ff7de62889DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)1,559 1,579 20 1.3%
Incl. Wall Time (microsec) per call 13 14 0 1.3%
Excl. Wall Time (microsec)713 728 15 2.1%
Incl. CPU (microsecs)1,661 1,683 22 1.3%
Incl. CPU (microsecs) per call 14 15 0 1.3%
Excl. CPU (microsec)733 737 4 0.5%
Incl. MemUse (bytes)110,792 110,792 0 0.0%
Incl. MemUse (bytes) per call 955 955 0 0.0%
Excl. MemUse (bytes)103,256 103,256 0 0.0%
Incl. PeakMemUse (bytes)15,400 15,248 -152 -1.0%
Incl. PeakMemUse (bytes) per call 133 131 -1 -1.0%
Excl. PeakMemUse (bytes)13,584 13,432 -152 -1.1%

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% 20 1.8% 22 1.9% 0 0.0% -152 -0.2%
Exclusive Metrics Diff for Current Function15 75.0% 4 18.2% 0 N/A% -152 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 20 100.0% 22 100.0% 0 N/A% -152 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 5 25.0% 18 81.8% 0 N/A% 0 0.0%