Diff Report
Run #519ff921aa26d: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ff7ed8fdf9: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519ff921aa26dRun #519ff7ed8fdf9DiffDiff%
Number of Function Calls119 118 -1 -0.8%
Incl. Wall Time (microsec)2,177 2,158 -19 -0.9%
Incl. Wall Time (microsec) per call 18 18 -0 -0.0%
Excl. Wall Time (microsec)1,014 987 -27 -2.7%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 34 0 -34 -100.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)77,488 76,868 -620 -0.8%
Incl. MemUse (bytes) per call 651 651 0 0.0%
Excl. MemUse (bytes)73,060 72,468 -592 -0.8%
Incl. PeakMemUse (bytes)24,020 24,132 112 0.5%
Incl. PeakMemUse (bytes) per call 202 205 3 1.3%
Excl. PeakMemUse (bytes)22,884 23,020 136 0.6%

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::prepare-1 -50.0% -19 -0.4% -4,000 -50.0% -620 -3.5% 112 0.6%
Exclusive Metrics Diff for Current Function-27 -142.1% -4,000 -100.0% -592 -95.5% 136 121.4%
Parent function
Drupal\Core\Database\Connection::prepareQuery-1 -100.0% -19 -100.0% -4,000 -100.0% -620 -100.0% 112 100.0%
Child function
Drupal\Core\Database\Statement::__construct-1 -100.0% 8 42.1% 0 0.0% -28 -4.5% -24 -21.4%