Diff Report
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb5243677d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519eb486908e7Run #519eb5243677dDiffDiff%
Number of Function Calls188 188 0 0.0%
Incl. Wall Time (microsec)2,967 2,947 -20 -0.7%
Incl. Wall Time (microsec) per call 16 16 -0 -0.7%
Excl. Wall Time (microsec)1,391 1,405 14 1.0%
Incl. CPU (microsecs)3,159 3,110 -49 -1.6%
Incl. CPU (microsecs) per call 17 17 -0 -1.6%
Excl. CPU (microsec)1,423 1,396 -27 -1.9%
Incl. MemUse (bytes)148,812 148,812 0 0.0%
Incl. MemUse (bytes) per call 792 792 0 0.0%
Excl. MemUse (bytes)147,752 147,752 0 0.0%
Incl. PeakMemUse (bytes)22,548 22,548 0 0.0%
Incl. PeakMemUse (bytes) per call 120 120 0 0.0%
Excl. PeakMemUse (bytes)21,432 21,432 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% -20 -1.0% -49 -4.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function14 70.0% -27 -55.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -20 -100.0% -49 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -34 -170.0% -22 -44.9% 0 N/A% 0 N/A%