XHProf: Hierarchical Profiler Report

Diff Report: Run #51f3c80c2ab79: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51f3c666a1782: XHProf Run (Namespace=drupal-perf-fabianx)
Tip: Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_exists	Run #51f3c80c2ab79	Run #51f3c666a1782	Diff	Diff%
Number of Function Calls	416	416	0	0.0%
Incl. Wall Time (microsec)	38,339	38,211	-128	-0.3%
Incl. Wall Time (microsec) per call	92	92	-0	-0.3%
Excl. Wall Time (microsec)	1,713	1,732	19	1.1%
Incl. CPU (microsecs)	44,005	56,004	11,999	27.3%
Incl. CPU (microsecs) per call	106	135	29	27.3%
Excl. CPU (microsec)	4,001	0	-4,001	-100.0%
Incl. MemUse (bytes)	3,098,928	3,098,880	-48	-0.0%
Incl. MemUse (bytes) per call	7,449	7,449	-0	-0.0%
Excl. MemUse (bytes)	-43,688	-43,688	0	0.0%
Incl. PeakMemUse (bytes)	2,301,944	2,301,160	-784	-0.0%
Incl. PeakMemUse (bytes) per call	5,534	5,532	-2	-0.0%
Excl. PeakMemUse (bytes)	14,488	14,488	0	0.0%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]

Function Name	Calls Diff	Calls 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	0	N/A%	-128	-10.9%	11,999	N/A%	-48	-2.3%	-784	-13.5%
Exclusive Metrics Diff for Current Function			19	14.8%	-4,001	-33.3%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Component\Datetime\DateTimePlus::canUseIntl	0	N/A%	-127	-99.2%	-8,003	-66.7%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityManager::getControllerClass	0	N/A%	-15	-11.7%	0	0.0%	-96	-200.0%	176	22.4%
Drupal\Core\Database\Query\Select::extend	0	N/A%	12	9.4%	0	0.0%	-16	-33.3%	-16	-2.0%
Drupal\Core\Database\Connection::getDriverClass	0	N/A%	-6	-4.7%	4,000	33.3%	64	133.3%	-560	-71.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass	0	N/A%	4	3.1%	16,002	133.4%	0	0.0%	-384	-49.0%
Doctrine\Common\Annotations\DocParser::classExists	0	N/A%	3	2.3%	0	0.0%	0	0.0%	0	0.0%
_drupal_simpletest_conf_path	0	N/A%	1	0.8%	0	0.0%	0	0.0%	0	0.0%
file_stream_wrapper_valid_scheme	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
file_stream_wrapper_get_instance_by_uri	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Controller\ControllerResolver::createController	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
file_stream_wrapper_get_instance_by_scheme	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	-102	-79.7%	-4,002	-33.4%	-16	-33.3%	-16	-2.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-45	-35.2%	20,002	166.7%	-32	-66.7%	-768	-98.0%