XHProf: Hierarchical Profiler Report

Diff Report: Run #51a152d922ae0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a1557b90314: XHProf Run (Namespace=drupal-perf-ezeedub)
Tip: Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_exists	Run #51a152d922ae0	Run #51a1557b90314	Diff	Diff%
Number of Function Calls	400	401	1	0.2%
Incl. Wall Time (microsec)	76,922	79,122	2,200	2.9%
Incl. Wall Time (microsec) per call	192	197	5	2.6%
Excl. Wall Time (microsec)	3,100	3,274	174	5.6%
Incl. CPU (microsecs)	100,013	68,005	-32,008	-32.0%
Incl. CPU (microsecs) per call	250	170	-80	-32.2%
Excl. CPU (microsec)	4,001	4,000	-1	-0.0%
Incl. MemUse (bytes)	556,344	554,164	-2,180	-0.4%
Incl. MemUse (bytes) per call	1,391	1,382	-9	-0.6%
Excl. MemUse (bytes)	-17,376	-17,376	0	0.0%
Incl. PeakMemUse (bytes)	355,932	355,460	-472	-0.1%
Incl. PeakMemUse (bytes) per call	890	886	-3	-0.4%
Excl. PeakMemUse (bytes)	6,060	6,060	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%	2,200	3.2%	-32,008	-42.1%	-2,180	-4.0%	-472	-0.8%
Exclusive Metrics Diff for Current Function			174	7.9%	-1	-0.0%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Component\Datetime\DateTimePlus::canUseIntl	0	0.0%	2,233	101.5%	-28,008	-87.5%	0	0.0%	-48	-10.2%
Drupal\Core\Database\Connection::getDriverClass	0	0.0%	0	0.0%	-4,001	-12.5%	36	1.7%	-8	-1.7%
Drupal\Core\Entity\EntityManager::getControllerClass	0	0.0%	121	5.5%	4,001	12.5%	-156	-7.2%	-344	-72.9%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass	0	0.0%	-111	-5.0%	-4,000	-12.5%	-2,060	-94.5%	-144	-30.5%
file_stream_wrapper_valid_scheme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
file_stream_wrapper_get_instance_by_uri	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Doctrine\Common\Annotations\DocParser::classExists	0	0.0%	-1	-0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate	1	100.0%	4	0.2%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::initializeContainer	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
_drupal_simpletest_conf_path	0	0.0%	1	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::extend	0	0.0%	-52	-2.4%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get	0	0.0%	5	0.2%	0	0.0%	0	0.0%	72	15.3%
*Child functions*
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	1,922	87.4%	-32,008	-100.0%	0	0.0%	-48	-10.2%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	104	4.7%	1	0.0%	-2,180	-100.0%	-424	-89.8%