Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls137 139 2 1.5%
Incl. Wall Time (microsec)1,118 1,142 24 2.1%
Incl. Wall Time (microsec) per call 8 8 0 0.7%
Excl. Wall Time (microsec)532 551 19 3.6%
Incl. CPU (microsecs)1,226 1,242 16 1.3%
Incl. CPU (microsecs) per call 9 9 -0 -0.2%
Excl. CPU (microsec)538 544 6 1.1%
Incl. MemUse (bytes)126,216 128,056 1,840 1.5%
Incl. MemUse (bytes) per call 921 921 -0 -0.0%
Excl. MemUse (bytes)117,672 119,416 1,744 1.5%
Incl. PeakMemUse (bytes)12,264 12,240 -24 -0.2%
Incl. PeakMemUse (bytes) per call 90 88 -1 -1.6%
Excl. PeakMemUse (bytes)10,512 10,432 -80 -0.8%

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::prepare2 50.0% 24 0.6% 16 0.4% 1,840 1.7% -24 -0.0%
Exclusive Metrics Diff for Current Function19 79.2% 6 37.5% 1,744 94.8% -80 -333.3%
Parent function
Drupal\Core\Database\Connection::prepareQuery2 100.0% 24 100.0% 16 100.0% 1,840 100.0% -24 -100.0%
Child function
Drupal\Core\Database\Statement::__construct2 100.0% 5 20.8% 10 62.5% 96 5.2% 56 233.3%