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

Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52e4a222581efRun #52e4a1c03557cDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)802 745 -57 -7.1%
Incl. Wall Time (microsec) per call 9 8 -1 -7.1%
Excl. Wall Time (microsec)423 361 -62 -14.7%
Incl. CPU (microsecs)859 810 -49 -5.7%
Incl. CPU (microsecs) per call 10 9 -1 -5.7%
Excl. CPU (microsec)408 355 -53 -13.0%
Incl. MemUse (bytes)81,416 81,408 -8 -0.0%
Incl. MemUse (bytes) per call 925 925 -0 -0.0%
Excl. MemUse (bytes)75,224 75,216 -8 -0.0%
Incl. PeakMemUse (bytes)12,976 12,984 8 0.1%
Incl. PeakMemUse (bytes) per call 147 148 0 0.1%
Excl. PeakMemUse (bytes)10,992 10,944 -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 Function-62 -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%