Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45a7cd8f5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519d44ffb3845Run #519d45a7cd8f5DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)2,688 2,667 -21 -0.8%
Incl. Wall Time (microsec) per call 16 16 -0 -0.8%
Excl. Wall Time (microsec)1,301 1,288 -13 -1.0%
Incl. CPU (microsecs)2,838 2,829 -9 -0.3%
Incl. CPU (microsecs) per call 17 17 -0 -0.3%
Excl. CPU (microsec)1,284 1,273 -11 -0.9%
Incl. MemUse (bytes)139,940 139,940 0 0.0%
Incl. MemUse (bytes) per call 823 823 0 0.0%
Excl. MemUse (bytes)138,880 138,880 0 0.0%
Incl. PeakMemUse (bytes)23,424 23,424 0 0.0%
Incl. PeakMemUse (bytes) per call 138 138 0 0.0%
Excl. PeakMemUse (bytes)22,308 22,308 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 -0.9% -9 -1.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -61.9% -11 -122.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -21 -100.0% -9 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -8 -38.1% 2 22.2% 0 N/A% 0 N/A%