Diff Report
Run #519ffb7471c72: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ffc4c0008b: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519ffb7471c72Run #519ffc4c0008bDiffDiff%
Number of Function Calls118 119 1 0.8%
Incl. Wall Time (microsec)2,148 2,193 45 2.1%
Incl. Wall Time (microsec) per call 18 18 0 1.2%
Excl. Wall Time (microsec)1,002 1,030 28 2.8%
Incl. CPU (microsecs)4,001 0 -4,001 -100.0%
Incl. CPU (microsecs) per call 34 0 -34 -100.0%
Excl. CPU (microsec)4,001 0 -4,001 -100.0%
Incl. MemUse (bytes)76,876 77,480 604 0.8%
Incl. MemUse (bytes) per call 651 651 -0 -0.1%
Excl. MemUse (bytes)72,476 73,052 576 0.8%
Incl. PeakMemUse (bytes)24,188 23,948 -240 -1.0%
Incl. PeakMemUse (bytes) per call 205 201 -4 -1.8%
Excl. PeakMemUse (bytes)23,060 22,836 -224 -1.0%

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::prepare1 50.0% 45 1.5% -4,001 -100.0% 604 3.7% -240 -1.3%
Exclusive Metrics Diff for Current Function28 62.2% -4,001 -100.0% 576 95.4% -224 -93.3%
Parent function
Drupal\Core\Database\Connection::prepareQuery1 100.0% 45 100.0% -4,001 -100.0% 604 100.0% -240 -100.0%
Child function
Drupal\Core\Database\Statement::__construct1 100.0% 17 37.8% 0 0.0% 28 4.6% -16 -6.7%