Diff Report
Run #530ed1c5bdc6a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ed2569a2c7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #530ed1c5bdc6aRun #530ed2569a2c7DiffDiff%
Number of Function Calls97 97 0 0.0%
Incl. Wall Time (microsec)921 922 1 0.1%
Incl. Wall Time (microsec) per call 9 10 0 0.1%
Excl. Wall Time (microsec)460 478 18 3.9%
Incl. CPU (microsecs)990 999 9 0.9%
Incl. CPU (microsecs) per call 10 10 0 0.9%
Excl. CPU (microsec)455 467 12 2.6%
Incl. MemUse (bytes)89,936 89,944 8 0.0%
Incl. MemUse (bytes) per call 927 927 0 0.0%
Excl. MemUse (bytes)83,376 83,384 8 0.0%
Incl. PeakMemUse (bytes)8,648 8,800 152 1.8%
Incl. PeakMemUse (bytes) per call 89 91 2 1.8%
Excl. PeakMemUse (bytes)6,952 7,104 152 2.2%

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% 1 0.1% 9 0.7% 8 0.0% 152 0.4%
Exclusive Metrics Diff for Current Function18 1800.0% 12 133.3% 8 100.0% 152 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 1 100.0% 9 100.0% 8 100.0% 152 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -17 -1700.0% -3 -33.3% 0 0.0% 0 0.0%