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

PDO::prepareRun #51ec3c5ab9ae4Run #51ec3b81ad265DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)1,249 1,258 9 0.7%
Incl. Wall Time (microsec) per call 9 9 0 0.7%
Excl. Wall Time (microsec)585 600 15 2.6%
Incl. CPU (microsecs)1,360 1,371 11 0.8%
Incl. CPU (microsecs) per call 10 10 0 0.8%
Excl. CPU (microsec)605 617 12 2.0%
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 Function15 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%