Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)2,688 2,705 17 0.6%
Incl. Wall Time (microsec) per call 16 16 0 0.6%
Excl. Wall Time (microsec)1,301 1,297 -4 -0.3%
Incl. CPU (microsecs)2,838 2,867 29 1.0%
Incl. CPU (microsecs) per call 17 17 0 1.0%
Excl. CPU (microsec)1,284 1,315 31 2.4%
Incl. MemUse (bytes)139,940 139,952 12 0.0%
Incl. MemUse (bytes) per call 823 823 0 0.0%
Excl. MemUse (bytes)138,880 138,892 12 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% 17 0.0% 29 0.1% 12 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -23.5% 31 106.9% 12 100.0% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 17 100.0% 29 100.0% 12 100.0% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 21 123.5% -2 -6.9% 0 0.0% 0 N/A%