Diff Report
Run #519ac1c42d00d: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519ac1c42d00dRun #519abf80bb905DiffDiff%
Number of Function Calls145 142 -3 -2.1%
Incl. Wall Time (microsec)2,610 2,622 12 0.5%
Incl. Wall Time (microsec) per call 18 18 0 2.6%
Excl. Wall Time (microsec)1,228 1,236 8 0.7%
Incl. CPU (microsecs)2,754 2,767 13 0.5%
Incl. CPU (microsecs) per call 19 19 0 2.6%
Excl. CPU (microsec)1,236 1,248 12 1.0%
Incl. MemUse (bytes)191,264 186,856 -4,408 -2.3%
Incl. MemUse (bytes) per call 1,319 1,316 -3 -0.2%
Excl. MemUse (bytes)189,368 184,960 -4,408 -2.3%
Incl. PeakMemUse (bytes)16,056 15,504 -552 -3.4%
Incl. PeakMemUse (bytes) per call 111 109 -2 -1.4%
Excl. PeakMemUse (bytes)14,336 13,784 -552 -3.9%

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-3 -50.0% 12 0.1% 13 0.1% -4,408 -2.8% -552 -0.0%
Exclusive Metrics Diff for Current Function8 66.7% 12 92.3% -4,408 -100.0% -552 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-3 -100.0% 12 100.0% 13 100.0% -4,408 -100.0% -552 -100.0%
Child function
Drupal\Core\Database\Statement::__construct-3 -100.0% 4 33.3% 1 7.7% 0 0.0% 0 0.0%