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

class_existsRun #519fbf2154a5eRun #519fc2983e6a9DiffDiff%
Number of Function Calls6 7 1 16.7%
Incl. Wall Time (microsec)361 377 16 4.4%
Incl. Wall Time (microsec) per call 60 54 -6 -10.5%
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)90,896 91,356 460 0.5%
Incl. MemUse (bytes) per call 15,149 13,051 -2,098 -13.9%
Excl. MemUse (bytes)1,832 2,288 456 24.9%
Incl. PeakMemUse (bytes)89,612 90,560 948 1.1%
Incl. PeakMemUse (bytes) per call 14,935 12,937 -1,998 -13.4%
Excl. PeakMemUse (bytes)1,704 2,160 456 26.8%

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_exists1 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::loadTemplate1 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%