Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52e4a1c03557cRun #52e4a222581efDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)745 802 57 7.7%
Incl. Wall Time (microsec) per call 8 9 1 7.7%
Excl. Wall Time (microsec)361 423 62 17.2%
Incl. CPU (microsecs)810 859 49 6.0%
Incl. CPU (microsecs) per call 9 10 1 6.0%
Excl. CPU (microsec)355 408 53 14.9%
Incl. MemUse (bytes)81,408 81,416 8 0.0%
Incl. MemUse (bytes) per call 925 925 0 0.0%
Excl. MemUse (bytes)75,216 75,224 8 0.0%
Incl. PeakMemUse (bytes)12,984 12,976 -8 -0.1%
Incl. PeakMemUse (bytes) per call 148 147 -0 -0.1%
Excl. PeakMemUse (bytes)10,944 10,992 48 0.4%

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% 57 11.6% 49 23.1% 8 0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function62 108.8% 53 108.2% 8 100.0% 48 600.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 57 100.0% 49 100.0% 8 100.0% -8 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -5 -8.8% -4 -8.2% 0 0.0% -56 -700.0%