Diff Report
Run #519de8fbb9479: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de9d0c2818: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #519de8fbb9479Run #519de9d0c2818DiffDiff%
Number of Function Calls227 228 1 0.4%
Incl. Wall Time (microsec)24,252 24,424 172 0.7%
Incl. Wall Time (microsec) per call 107 107 0 0.3%
Excl. Wall Time (microsec)1,054 1,051 -3 -0.3%
Incl. CPU (microsecs)24,456 24,633 177 0.7%
Incl. CPU (microsecs) per call 108 108 0 0.3%
Excl. CPU (microsec)1,012 1,002 -10 -1.0%
Incl. MemUse (bytes)1,441,568 1,441,488 -80 -0.0%
Incl. MemUse (bytes) per call 6,351 6,322 -28 -0.4%
Excl. MemUse (bytes)-18,136 -18,152 -16 -0.1%
Incl. PeakMemUse (bytes)892,832 893,376 544 0.1%
Incl. PeakMemUse (bytes) per call 3,933 3,918 -15 -0.4%
Excl. PeakMemUse (bytes)9,600 10,040 440 4.6%

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% 172 0.5% 177 0.5% -80 -0.2% 544 1.0%
Exclusive Metrics Diff for Current Function-3 -1.7% -10 -5.6% -16 -20.0% 440 80.9%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 133 77.3% 142 80.2% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 36 20.9% 34 19.2% 0 0.0% 32 5.9%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 12 7.0% 1 0.6% -16 -20.0% -16 -2.9%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -12 -7.0% -7 -4.0% -64 -80.0% 80 14.7%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 3 1.7% 2 1.1% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% -1 -0.6% 5 2.8% 0 0.0% 448 82.4%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 1 0.6% 2 1.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 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\ClassLoader::loadClass0 N/A% 127 73.8% 124 70.1% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 48 27.9% 63 35.6% -64 -80.0% 104 19.1%