Diff Report
Run #51abc588c7973: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51abc588c7973Run #51abc4cb0a647DiffDiff%
Number of Function Calls93 93 0 0.0%
Incl. Wall Time (microsec)843 818 -25 -3.0%
Incl. Wall Time (microsec) per call 9 9 -0 -3.0%
Excl. Wall Time (microsec)419 408 -11 -2.6%
Incl. CPU (microsecs)936 897 -39 -4.2%
Incl. CPU (microsecs) per call 10 10 -0 -4.2%
Excl. CPU (microsec)432 404 -28 -6.5%
Incl. MemUse (bytes)88,696 88,696 0 0.0%
Incl. MemUse (bytes) per call 954 954 0 0.0%
Excl. MemUse (bytes)82,264 82,264 0 0.0%
Incl. PeakMemUse (bytes)5,296 5,432 136 2.6%
Incl. PeakMemUse (bytes) per call 57 58 1 2.6%
Excl. PeakMemUse (bytes)5,240 5,376 136 2.6%

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% -25 -45.5% -39 -2.3% 0 0.0% 136 0.5%
Exclusive Metrics Diff for Current Function-11 -44.0% -28 -71.8% 0 N/A% 136 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -25 -100.0% -39 -100.0% 0 N/A% 136 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -14 -56.0% -11 -28.2% 0 N/A% 0 0.0%