XHProf: Hierarchical Profiler Report

Diff Report: Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c642960e9a6: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_exists	Run #52c641a950046	Run #52c642960e9a6	Diff	Diff%
Number of Function Calls	203	204	1	0.5%
Incl. Wall Time (microsec)	4,947	4,978	31	0.6%
Incl. Wall Time (microsec) per call	24	24	0	0.1%
Excl. Wall Time (microsec)	378	373	-5	-1.3%
Incl. CPU (microsecs)	5,157	5,182	25	0.5%
Incl. CPU (microsecs) per call	25	25	-0	-0.0%
Excl. CPU (microsec)	543	535	-8	-1.5%
Incl. MemUse (bytes)	2,146,904	2,146,976	72	0.0%
Incl. MemUse (bytes) per call	10,576	10,524	-51	-0.5%
Excl. MemUse (bytes)	-5,856	-5,784	72	1.2%
Incl. PeakMemUse (bytes)	1,315,912	1,315,736	-176	-0.0%
Incl. PeakMemUse (bytes) per call	6,482	6,450	-33	-0.5%
Excl. PeakMemUse (bytes)	8,040	8,040	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	1	100.0%	31	1.1%	25	1.0%	72	0.3%	-176	-0.5%
Exclusive Metrics Diff for Current Function			-5	-16.1%	-8	-32.0%	72	100.0%	0	0.0%
*Parent functions*
config_context_enter	0	0.0%	-2	-6.5%	-2	-8.0%	-16	-22.2%	0	0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists	0	0.0%	-1	-3.2%	-1	-4.0%	0	0.0%	-64	-36.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass	0	0.0%	47	151.6%	49	196.0%	-328	-455.6%	144	81.8%
Drupal\Core\Config\Context\ConfigContextFactory::get	0	0.0%	-1	-3.2%	1	4.0%	0	0.0%	0	0.0%
Drupal\Core\Controller\ControllerResolver::createController	0	0.0%	-1	-3.2%	-1	-4.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::getDriverClass	0	0.0%	-3	-9.7%	-5	-20.0%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	0	0.0%	1	4.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityManager::getControllerClass	0	0.0%	2	6.5%	-4	-16.0%	16	22.2%	-256	-145.5%
Drupal\Core\Entity\Query\QueryBase::getClass	0	0.0%	-5	-16.1%	-6	-24.0%	400	555.6%	0	0.0%
Drupal\Core\Form\FormBuilder::getFormId	0	0.0%	-3	-9.7%	-3	-12.0%	0	0.0%	0	0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate	1	100.0%	1	3.2%	2	8.0%	0	0.0%	0	0.0%
file_stream_wrapper_get_instance_by_scheme	0	0.0%	0	0.0%	1	4.0%	0	0.0%	0	0.0%
file_stream_wrapper_get_instance_by_uri	0	0.0%	-1	-3.2%	-2	-8.0%	0	0.0%	0	0.0%
file_stream_wrapper_valid_scheme	0	0.0%	-2	-6.5%	-4	-16.0%	0	0.0%	0	0.0%
_drupal_simpletest_conf_path	0	0.0%	0	0.0%	-1	-4.0%	0	0.0%	0	0.0%
*Child function*
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	36	116.1%	33	132.0%	0	0.0%	-176	-100.0%