Diff Report
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6f8ea14bd: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519a6b3fa9c9cRun #519a6f8ea14bdDiffDiff%
Number of Function Calls105 105 0 0.0%
Incl. Wall Time (microsec)1,065 1,038 -27 -2.5%
Incl. Wall Time (microsec) per call 10 10 -0 -2.5%
Excl. Wall Time (microsec)497 484 -13 -2.6%
Incl. CPU (microsecs)1,180 1,129 -51 -4.3%
Incl. CPU (microsecs) per call 11 11 -0 -4.3%
Excl. CPU (microsec)538 502 -36 -6.7%
Incl. MemUse (bytes)101,176 101,176 0 0.0%
Incl. MemUse (bytes) per call 964 964 0 0.0%
Excl. MemUse (bytes)94,168 94,168 0 0.0%
Incl. PeakMemUse (bytes)5,152 5,240 88 1.7%
Incl. PeakMemUse (bytes) per call 49 50 1 1.7%
Excl. PeakMemUse (bytes)5,152 5,240 88 1.7%

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% -27 -2.3% -51 -4.4% 0 0.0% 88 0.3%
Exclusive Metrics Diff for Current Function-13 -48.1% -36 -70.6% 0 N/A% 88 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -27 -100.0% -51 -100.0% 0 N/A% 88 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -14 -51.9% -15 -29.4% 0 N/A% 0 0.0%