Diff Report
Run #519fc2983e6a9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519fc2983e6a9Run #519fbf2154a5eDiffDiff%
Number of Function Calls7 6 -1 -14.3%
Incl. Wall Time (microsec)377 361 -16 -4.2%
Incl. Wall Time (microsec) per call 54 60 6 11.7%
Excl. Wall Time (microsec)14 14 0 0.0%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)91,356 90,896 -460 -0.5%
Incl. MemUse (bytes) per call 13,051 15,149 2,098 16.1%
Excl. MemUse (bytes)2,288 1,832 -456 -19.9%
Incl. PeakMemUse (bytes)90,560 89,612 -948 -1.0%
Incl. PeakMemUse (bytes) per call 12,937 14,935 1,998 15.4%
Excl. PeakMemUse (bytes)2,160 1,704 -456 -21.1%

Parent/Child Regression/Improvement report for class_exists [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
class_exists-1 -100.0% -16 -1.6% 0 0.0% -460 -0.2% -948 -0.4%
Exclusive Metrics Diff for Current Function0 0.0% 0 N/A% -456 -99.1% -456 -48.1%
Parent functions
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -15 -93.8% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -6.2% 0 N/A% -456 -99.1% -456 -48.1%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 0 0.0% 0 N/A% -4 -0.9% -492 -51.9%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -16 -100.0% 0 N/A% -4 -0.9% -492 -51.9%