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

PDO::prepareRun #53ccf06f3ae60Run #53ccf1bb00d4bDiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)855 814 -41 -4.8%
Incl. Wall Time (microsec) per call 8 8 -0 -4.8%
Excl. Wall Time (microsec)431 389 -42 -9.7%
Incl. CPU (microsecs)919 891 -28 -3.0%
Incl. CPU (microsecs) per call 9 9 -0 -3.0%
Excl. CPU (microsec)405 392 -13 -3.2%
Incl. MemUse (bytes)95,856 95,832 -24 -0.0%
Incl. MemUse (bytes) per call 940 940 -0 -0.0%
Excl. MemUse (bytes)88,992 88,968 -24 -0.0%
Incl. PeakMemUse (bytes)8,600 8,296 -304 -3.5%
Incl. PeakMemUse (bytes) per call 84 81 -3 -3.5%
Excl. PeakMemUse (bytes)6,840 6,536 -304 -4.4%

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 Function-42 -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%