XHProf: Hierarchical Profiler Report

Diff Report: Run #52907577b0b08: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5290760896b28: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for class_exists

class_exists	Run #52907577b0b08	Run #5290760896b28	Diff	Diff%
Number of Function Calls	71	72	1	1.4%
Incl. Wall Time (microsec)	9,710	9,674	-36	-0.4%
Incl. Wall Time (microsec) per call	137	134	-2	-1.8%
Excl. Wall Time (microsec)	246	255	9	3.7%
Incl. CPU (microsecs)	9,795	9,770	-25	-0.3%
Incl. CPU (microsecs) per call	138	136	-2	-1.6%
Excl. CPU (microsec)	290	310	20	6.9%
Incl. MemUse (bytes)	1,131,408	1,131,392	-16	-0.0%
Incl. MemUse (bytes) per call	15,935	15,714	-222	-1.4%
Excl. MemUse (bytes)	-184	-184	0	0.0%
Incl. PeakMemUse (bytes)	987,016	986,632	-384	-0.0%
Incl. PeakMemUse (bytes) per call	13,902	13,703	-198	-1.4%
Excl. PeakMemUse (bytes)	10,600	10,600	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%	-36	-1.6%	-25	-1.2%	-16	-0.0%	-384	-0.9%
Exclusive Metrics Diff for Current Function			9	25.0%	20	80.0%	0	0.0%	0	0.0%
*Parent functions*
Drupal\Core\Database\Connection::getDriverClass	0	0.0%	164	455.6%	166	664.0%	-24	-150.0%	-384	-100.0%
Drupal\Core\Controller\ControllerResolver::createController	0	0.0%	-80	-222.2%	-80	-320.0%	0	0.0%	0	0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass	0	0.0%	-58	-161.1%	-55	-220.0%	24	150.0%	24	6.2%
Drupal\Core\Form\FormBuilder::getFormId	0	0.0%	-57	-158.3%	-58	-232.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityManager::getControllerClass	0	0.0%	-16	-44.4%	-16	-64.0%	-16	-100.0%	-24	-6.2%
Drupal\Core\Database\Query\Select::extend	0	0.0%	12	33.3%	12	48.0%	0	0.0%	0	0.0%
config_context_enter	0	0.0%	-3	-8.3%	-4	-16.0%	0	0.0%	0	0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate	1	100.0%	2	5.6%	8	32.0%	0	0.0%	0	0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists	0	0.0%	-1	-2.8%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get	0	0.0%	1	2.8%	2	8.0%	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%
file_stream_wrapper_valid_scheme	0	0.0%	0	0.0%	0	0.0%	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%
file_stream_wrapper_get_instance_by_scheme	0	0.0%	0	0.0%	-1	-4.0%	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%
*Child function*
Composer\Autoload\ClassLoader::loadClass	0	N/A%	-45	-125.0%	-45	-180.0%	-16	-100.0%	-384	-100.0%