Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519d9cf28420eRun #519d9d94433aaDiffDiff%
Number of Function Calls188 189 1 0.5%
Incl. Wall Time (microsec)45,974 46,180 206 0.4%
Incl. Wall Time (microsec) per call 245 244 -0 -0.1%
Excl. Wall Time (microsec)559 560 1 0.2%
Incl. CPU (microsecs)46,106 46,316 210 0.5%
Incl. CPU (microsecs) per call 245 245 -0 -0.1%
Excl. CPU (microsec)650 638 -12 -1.8%
Incl. MemUse (bytes)8,768,888 8,768,456 -432 -0.0%
Incl. MemUse (bytes) per call 46,643 46,394 -249 -0.5%
Excl. MemUse (bytes)-10,504 -10,504 0 0.0%
Incl. PeakMemUse (bytes)8,747,232 8,753,392 6,160 0.1%
Incl. PeakMemUse (bytes) per call 46,528 46,314 -214 -0.5%
Excl. PeakMemUse (bytes)3,480 3,328 -152 -4.4%

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_exists1 100.0% 206 8.2% 210 22.2% -432 -0.6% 6,160 8.6%
Exclusive Metrics Diff for Current Function1 0.5% -12 -5.7% 0 0.0% -152 -2.5%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 202 98.1% 206 98.1% -576 -133.3% 7,120 115.6%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -56 -27.2% -63 -30.0% -24 -5.6% -216 -3.5%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 56 27.2% 60 28.6% 168 38.9% 8 0.1%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 2 1.0% 4 1.9% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 2 1.0% 2 1.0% 0 0.0% -600 -9.7%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% -4 -1.9% 0 0.0% -792 -12.9%
file_stream_wrapper_valid_scheme0 0.0% 0 0.0% 2 1.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 0 0.0% 4 1.9% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -2 -1.0% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 0 0.0% 1 0.5% 0 0.0% 640 10.4%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 205 99.5% 222 105.7% -432 -100.0% 6,312 102.5%