Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c619634b1e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519c60f26cf68Run #519c619634b1eDiffDiff%
Number of Function Calls144 144 0 0.0%
Incl. Wall Time (microsec)2,247 2,268 21 0.9%
Incl. Wall Time (microsec) per call 16 16 0 0.9%
Excl. Wall Time (microsec)1,065 1,089 24 2.3%
Incl. CPU (microsecs)2,385 2,403 18 0.8%
Incl. CPU (microsecs) per call 17 17 0 0.8%
Excl. CPU (microsec)1,073 1,070 -3 -0.3%
Incl. MemUse (bytes)122,780 122,780 0 0.0%
Incl. MemUse (bytes) per call 853 853 0 0.0%
Excl. MemUse (bytes)121,720 121,720 0 0.0%
Incl. PeakMemUse (bytes)26,012 26,012 0 0.0%
Incl. PeakMemUse (bytes) per call 181 181 0 0.0%
Excl. PeakMemUse (bytes)24,896 24,896 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% 21 1.1% 18 0.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function24 114.3% -3 -16.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 21 100.0% 18 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -3 -14.3% 21 116.7% 0 N/A% 0 N/A%