Diff Report
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519c1681d41e5Run #519c153c76aa0DiffDiff%
Number of Function Calls141 140 -1 -0.7%
Incl. Wall Time (microsec)43,386 44,094 708 1.6%
Incl. Wall Time (microsec) per call 308 315 7 2.4%
Excl. Wall Time (microsec)444 454 10 2.3%
Incl. CPU (microsecs)43,491 44,206 715 1.6%
Incl. CPU (microsecs) per call 308 316 7 2.4%
Excl. CPU (microsec)509 526 17 3.3%
Incl. MemUse (bytes)8,405,448 8,405,368 -80 -0.0%
Incl. MemUse (bytes) per call 59,613 60,038 425 0.7%
Excl. MemUse (bytes)-9,680 -9,680 0 0.0%
Incl. PeakMemUse (bytes)8,757,656 8,763,944 6,288 0.1%
Incl. PeakMemUse (bytes) per call 62,111 62,600 489 0.8%
Excl. PeakMemUse (bytes)2,856 2,856 0 0.0%

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


Function NameCalls DiffCalls
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% 708 19.0% 715 25.1% -80 -0.1% 6,288 10.9%
Exclusive Metrics Diff for Current Function10 1.4% 17 2.4% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 521 73.6% 528 73.8% -16 -20.0% -56 -0.9%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 186 26.3% 186 26.0% -40 -50.0% 6,408 101.9%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 3 0.4% 2 0.3% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -0.3% -4 -0.6% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -2 -0.3% -1 -0.1% -24 -30.0% -64 -1.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 2 0.3% 3 0.4% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 4 0.6% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -2 -0.3% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 698 98.6% 698 97.6% -80 -100.0% 6,288 100.0%