Diff Report
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::setAttribute

PDO::setAttributeRun #54e0a6d45fe2aRun #54e0a7d2151b1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)338 334 -4 -1.2%
Incl. Wall Time (microsec) per call 338 334 -4 -1.2%
Excl. Wall Time (microsec)7 6 -1 -14.3%
Incl. CPU (microsecs)340 336 -4 -1.2%
Incl. CPU (microsecs) per call 340 336 -4 -1.2%
Excl. CPU (microsec)8 6 -2 -25.0%
Incl. MemUse (bytes)45,624 45,648 24 0.1%
Incl. MemUse (bytes) per call 45,624 45,648 24 0.1%
Excl. MemUse (bytes)1,048 1,048 0 0.0%
Incl. PeakMemUse (bytes)50,376 50,464 88 0.2%
Incl. PeakMemUse (bytes) per call 50,376 50,464 88 0.2%
Excl. PeakMemUse (bytes)240 240 0 0.0%

Parent/Child Regression/Improvement report for PDO::setAttribute [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::setAttribute0 N/A% -4 -0.5% -4 -1.1% 24 0.2% 88 0.8%
Exclusive Metrics Diff for Current Function-1 -25.0% -2 -50.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::__construct0 N/A% -4 -100.0% -4 -100.0% 24 100.0% 88 100.0%
Child function
Composer\Autoload\ClassLoader::loadClass0 N/A% -3 -75.0% -2 -50.0% 24 100.0% 88 100.0%