Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e2663e694: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #5350e128cfd2bRun #5350e2663e694DiffDiff%
Number of Function Calls137 137 0 0.0%
Incl. Wall Time (microsec)1,060 1,089 29 2.7%
Incl. Wall Time (microsec) per call 8 8 0 2.7%
Excl. Wall Time (microsec)493 518 25 5.1%
Incl. CPU (microsecs)1,175 1,183 8 0.7%
Incl. CPU (microsecs) per call 9 9 0 0.7%
Excl. CPU (microsec)514 524 10 1.9%
Incl. MemUse (bytes)135,536 135,544 8 0.0%
Incl. MemUse (bytes) per call 989 989 0 0.0%
Excl. MemUse (bytes)126,992 126,992 0 0.0%
Incl. PeakMemUse (bytes)11,000 11,096 96 0.9%
Incl. PeakMemUse (bytes) per call 80 81 1 0.9%
Excl. PeakMemUse (bytes)9,096 9,248 152 1.7%

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% 29 1.8% 8 0.5% 8 0.0% 96 0.4%
Exclusive Metrics Diff for Current Function25 86.2% 10 125.0% 0 0.0% 152 158.3%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 29 100.0% 8 100.0% 8 100.0% 96 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 4 13.8% -2 -25.0% 8 100.0% -56 -58.3%