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

PDO::prepareRun #5350e2663e694Run #5350e128cfd2bDiffDiff%
Number of Function Calls137 137 0 0.0%
Incl. Wall Time (microsec)1,089 1,060 -29 -2.7%
Incl. Wall Time (microsec) per call 8 8 -0 -2.7%
Excl. Wall Time (microsec)518 493 -25 -4.8%
Incl. CPU (microsecs)1,183 1,175 -8 -0.7%
Incl. CPU (microsecs) per call 9 9 -0 -0.7%
Excl. CPU (microsec)524 514 -10 -1.9%
Incl. MemUse (bytes)135,544 135,536 -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)11,096 11,000 -96 -0.9%
Incl. PeakMemUse (bytes) per call 81 80 -1 -0.9%
Excl. PeakMemUse (bytes)9,248 9,096 -152 -1.6%

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% -29 -1.8% -8 -0.5% -8 -0.0% -96 -0.4%
Exclusive Metrics Diff for Current Function-25 -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%