Diff Report
Run #520840e157983: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #520840e157983Run #5208407650493DiffDiff%
Number of Function Calls61 60 -1 -1.6%
Incl. Wall Time (microsec)6,389 6,224 -165 -2.6%
Incl. Wall Time (microsec) per call 105 104 -1 -1.0%
Excl. Wall Time (microsec)244 245 1 0.4%
Incl. CPU (microsecs)6,457 6,290 -167 -2.6%
Incl. CPU (microsecs) per call 106 105 -1 -1.0%
Excl. CPU (microsec)271 262 -9 -3.3%
Incl. MemUse (bytes)1,985,576 1,982,848 -2,728 -0.1%
Incl. MemUse (bytes) per call 32,550 33,047 497 1.5%
Excl. MemUse (bytes)-4,928 -4,936 -8 -0.2%
Incl. PeakMemUse (bytes)1,357,512 1,269,552 -87,960 -6.5%
Incl. PeakMemUse (bytes) per call 22,254 21,159 -1,095 -4.9%
Excl. PeakMemUse (bytes)7,424 6,464 -960 -12.9%

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% -165 -70.2% -167 -18.7% -2,728 -9.4% -87,960 -303.4%
Exclusive Metrics Diff for Current Function1 0.6% -9 -5.4% -8 -0.3% -960 -1.1%
Parent functions
Drupal\Core\Database\Connection::getDriverClass0 0.0% -94 -57.0% -93 -55.7% -4,104 -150.4% -2,960 -3.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -61 -37.0% -66 -39.5% 888 32.6% 40 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -59 -35.8% -58 -34.7% 488 17.9% -84,400 -96.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 45 27.3% 44 26.3% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::intlDateFormatterExists0 0.0% 7 4.2% 8 4.8% 0 0.0% 0 0.0%
Drupal\Core\Controller\ControllerResolver::createController0 0.0% -2 -1.2% -2 -1.2% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.6% -2 -1.2% 0 0.0% -640 -0.7%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::classExists0 0.0% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_scheme0 0.0% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -171 -103.6% -162 -97.0% -2,720 -99.7% -87,000 -98.9%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 5 3.0% 4 2.4% 0 0.0% 0 0.0%