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

PDO::prepareRun #51fdbca2b5409Run #51fdbdbb58abcDiffDiff%
Number of Function Calls169 169 0 0.0%
Incl. Wall Time (microsec)1,570 1,568 -2 -0.1%
Incl. Wall Time (microsec) per call 9 9 -0 -0.1%
Excl. Wall Time (microsec)754 751 -3 -0.4%
Incl. CPU (microsecs)1,717 1,710 -7 -0.4%
Incl. CPU (microsecs) per call 10 10 -0 -0.4%
Excl. CPU (microsec)770 793 23 3.0%
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)12,048 12,168 120 1.0%
Incl. PeakMemUse (bytes) per call 71 72 1 1.0%
Excl. PeakMemUse (bytes)10,008 10,128 120 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 Function-3 -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%