Diff Report
Run #519af56893788: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519af3b0bf970: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #519af56893788Run #519af3b0bf970DiffDiff%
Number of Function Calls135 134 -1 -0.7%
Incl. Wall Time (microsec)15,258 15,028 -230 -1.5%
Incl. Wall Time (microsec) per call 113 112 -1 -0.8%
Excl. Wall Time (microsec)595 585 -10 -1.7%
Incl. CPU (microsecs)15,397 15,116 -281 -1.8%
Incl. CPU (microsecs) per call 114 113 -1 -1.1%
Excl. CPU (microsec)628 607 -21 -3.3%
Incl. MemUse (bytes)2,169,896 2,169,704 -192 -0.0%
Incl. MemUse (bytes) per call 16,073 16,192 119 0.7%
Excl. MemUse (bytes)-11,576 -11,576 0 0.0%
Incl. PeakMemUse (bytes)1,509,496 1,518,432 8,936 0.6%
Incl. PeakMemUse (bytes) per call 11,181 11,332 150 1.3%
Excl. PeakMemUse (bytes)9,336 9,336 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% -230 -41.7% -281 -59.4% -192 -0.3% 8,936 13.8%
Exclusive Metrics Diff for Current Function-10 -4.3% -21 -7.5% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -262 -113.9% -312 -111.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 53 23.0% 54 19.2% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -24 -10.4% -20 -7.1% -56 -29.2% 10,928 122.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 8 3.5% 1 0.4% -136 -70.8% -1,992 -22.3%
file_stream_wrapper_valid_scheme0 0.0% -4 -1.7% -5 -1.8% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -0.9% -3 -1.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 1 0.4% 3 1.1% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 0 0.0% 1 0.4% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% -1 -0.4% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.4% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -239 -103.9% -277 -98.6% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 19 8.3% 17 6.0% -192 -100.0% 8,936 100.0%