Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,590 1,579 -11 -0.7%
Incl. Wall Time (microsec) per call 9 9 -0 -0.7%
Excl. Wall Time (microsec)769 760 -9 -1.2%
Incl. CPU (microsecs)1,714 1,722 8 0.5%
Incl. CPU (microsecs) per call 10 10 0 0.5%
Excl. CPU (microsec)745 785 40 5.4%
Incl. MemUse (bytes)165,288 165,288 0 0.0%
Incl. MemUse (bytes) per call 972 972 0 0.0%
Excl. MemUse (bytes)155,160 155,160 0 0.0%
Incl. PeakMemUse (bytes)13,288 13,288 0 0.0%
Incl. PeakMemUse (bytes) per call 78 78 0 0.0%
Excl. PeakMemUse (bytes)11,032 11,032 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% -11 -0.4% 8 0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -81.8% 40 500.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -11 -100.0% 8 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -2 -18.2% -32 -400.0% 0 N/A% 0 N/A%