Diff Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51af435181b2eRun #51af3d98520b7DiffDiff%
Number of Function Calls83 83 0 0.0%
Incl. Wall Time (microsec)1,053 1,052 -1 -0.1%
Incl. Wall Time (microsec) per call 13 13 -0 -0.1%
Excl. Wall Time (microsec)446 429 -17 -3.8%
Incl. CPU (microsecs)1,119 1,121 2 0.2%
Incl. CPU (microsecs) per call 13 14 0 0.2%
Excl. CPU (microsec)451 435 -16 -3.5%
Incl. MemUse (bytes)106,968 106,968 0 0.0%
Incl. MemUse (bytes) per call 1,289 1,289 0 0.0%
Excl. MemUse (bytes)105,072 105,072 0 0.0%
Incl. PeakMemUse (bytes)7,688 7,688 0 0.0%
Incl. PeakMemUse (bytes) per call 93 93 0 0.0%
Excl. PeakMemUse (bytes)5,968 5,968 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% -1 -0.1% 2 0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-17 -1700.0% -16 -800.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -1 -100.0% 2 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 16 1600.0% 18 900.0% 0 N/A% 0 N/A%