Diff Report
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #53ccf1bb00d4bRun #53ccf06f3ae60DiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)814 855 41 5.0%
Incl. Wall Time (microsec) per call 8 8 0 5.0%
Excl. Wall Time (microsec)389 431 42 10.8%
Incl. CPU (microsecs)891 919 28 3.1%
Incl. CPU (microsecs) per call 9 9 0 3.1%
Excl. CPU (microsec)392 405 13 3.3%
Incl. MemUse (bytes)95,832 95,856 24 0.0%
Incl. MemUse (bytes) per call 940 940 0 0.0%
Excl. MemUse (bytes)88,968 88,992 24 0.0%
Incl. PeakMemUse (bytes)8,296 8,600 304 3.7%
Incl. PeakMemUse (bytes) per call 81 84 3 3.7%
Excl. PeakMemUse (bytes)6,536 6,840 304 4.7%

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% 41 2.7% 28 1.7% 24 0.4% 304 2.8%
Exclusive Metrics Diff for Current Function42 102.4% 13 46.4% 24 100.0% 304 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 41 100.0% 28 100.0% 24 100.0% 304 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -1 -2.4% 15 53.6% 0 0.0% 0 0.0%