Diff Report
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519c146573182Run #519c116ac5313DiffDiff%
Number of Function Calls302 301 -1 -0.3%
Incl. Wall Time (microsec)60,114 59,337 -777 -1.3%
Incl. Wall Time (microsec) per call 199 197 -2 -1.0%
Excl. Wall Time (microsec)1,469 1,448 -21 -1.4%
Incl. CPU (microsecs)60,458 59,645 -813 -1.3%
Incl. CPU (microsecs) per call 200 198 -2 -1.0%
Excl. CPU (microsec)1,618 1,580 -38 -2.3%
Incl. MemUse (bytes)1,396,216 1,395,748 -468 -0.0%
Incl. MemUse (bytes) per call 4,623 4,637 14 0.3%
Excl. MemUse (bytes)-11,524 -11,980 -456 -4.0%
Incl. PeakMemUse (bytes)1,031,648 1,031,220 -428 -0.0%
Incl. PeakMemUse (bytes) per call 3,416 3,426 10 0.3%
Excl. PeakMemUse (bytes)5,428 4,972 -456 -8.4%

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_exists-1 -100.0% -777 -1.4% -813 -1.3% -468 -0.2% -428 -0.2%
Exclusive Metrics Diff for Current Function-21 -2.7% -38 -4.7% -456 -97.4% -456 -106.5%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -379 -48.8% -410 -50.4% 0 0.0% 32 7.5%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -317 -40.8% -318 -39.1% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -229 -29.5% -228 -28.0% -12 -2.6% -4 -0.9%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 147 18.9% 146 18.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 6 0.8% 2 0.2% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -3 -0.4% -3 -0.4% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -2 -0.3% -4 -0.5% -456 -97.4% -456 -106.5%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.1% 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% -756 -97.3% -775 -95.3% -12 -2.6% 28 6.5%