Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls169 169 0 0.0%
Incl. Wall Time (microsec)1,568 1,570 2 0.1%
Incl. Wall Time (microsec) per call 9 9 0 0.1%
Excl. Wall Time (microsec)751 754 3 0.4%
Incl. CPU (microsecs)1,710 1,717 7 0.4%
Incl. CPU (microsecs) per call 10 10 0 0.4%
Excl. CPU (microsec)793 770 -23 -2.9%
Incl. MemUse (bytes)154,184 154,184 0 0.0%
Incl. MemUse (bytes) per call 912 912 0 0.0%
Excl. MemUse (bytes)144,104 144,104 0 0.0%
Incl. PeakMemUse (bytes)12,168 12,048 -120 -1.0%
Incl. PeakMemUse (bytes) per call 72 71 -1 -1.0%
Excl. PeakMemUse (bytes)10,128 10,008 -120 -1.2%

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% 2 0.2% 7 9.7% 0 0.0% -120 -0.4%
Exclusive Metrics Diff for Current Function3 150.0% -23 -328.6% 0 N/A% -120 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 2 100.0% 7 100.0% 0 N/A% -120 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -1 -50.0% 30 428.6% 0 N/A% 0 0.0%