Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)1,258 1,249 -9 -0.7%
Incl. Wall Time (microsec) per call 9 9 -0 -0.7%
Excl. Wall Time (microsec)600 585 -15 -2.5%
Incl. CPU (microsecs)1,371 1,360 -11 -0.8%
Incl. CPU (microsecs) per call 10 10 -0 -0.8%
Excl. CPU (microsec)617 605 -12 -1.9%
Incl. MemUse (bytes)132,816 132,816 0 0.0%
Incl. MemUse (bytes) per call 984 984 0 0.0%
Excl. MemUse (bytes)124,368 124,368 0 0.0%
Incl. PeakMemUse (bytes)12,752 12,752 0 0.0%
Incl. PeakMemUse (bytes) per call 94 94 0 0.0%
Excl. PeakMemUse (bytes)10,824 10,824 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% -9 -2.4% -11 -1.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-15 -166.7% -12 -109.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -9 -100.0% -11 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 6 66.7% 1 9.1% 0 N/A% 0 N/A%