XHProf: Hierarchical Profiler Report

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

Regression/Improvement summary for class_exists

class_exists	Run #52c642960e9a6	Run #52c641a950046	Diff	Diff%
Number of Function Calls	204	203	-1	-0.5%
Incl. Wall Time (microsec)	4,978	4,947	-31	-0.6%
Incl. Wall Time (microsec) per call	24	24	-0	-0.1%
Excl. Wall Time (microsec)	373	378	5	1.3%
Incl. CPU (microsecs)	5,182	5,157	-25	-0.5%
Incl. CPU (microsecs) per call	25	25	0	0.0%
Excl. CPU (microsec)	535	543	8	1.5%
Incl. MemUse (bytes)	2,146,976	2,146,904	-72	-0.0%
Incl. MemUse (bytes) per call	10,524	10,576	51	0.5%
Excl. MemUse (bytes)	-5,784	-5,856	-72	-1.2%
Incl. PeakMemUse (bytes)	1,315,736	1,315,912	176	0.0%
Incl. PeakMemUse (bytes) per call	6,450	6,482	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*
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass	0	0.0%	-47	-151.6%	-49	-196.0%	328	455.6%	-144	-81.8%
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\Database\Connection::getDriverClass	0	0.0%	3	9.7%	5	20.0%	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%
config_context_enter	0	0.0%	2	6.5%	2	8.0%	16	22.2%	0	0.0%
file_stream_wrapper_valid_scheme	0	0.0%	2	6.5%	4	16.0%	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%
Drupal\Core\Config\Context\ConfigContextFactory::get	0	0.0%	1	3.2%	-1	-4.0%	0	0.0%	0	0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists	0	0.0%	1	3.2%	1	4.0%	0	0.0%	64	36.4%
Drupal\Core\Controller\ControllerResolver::createController	0	0.0%	1	3.2%	1	4.0%	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%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	0	0.0%	-1	-4.0%	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%
_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%