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

class_existsRun #519c116ac5313Run #519c146573182DiffDiff%
Number of Function Calls301 302 1 0.3%
Incl. Wall Time (microsec)59,337 60,114 777 1.3%
Incl. Wall Time (microsec) per call 197 199 2 1.0%
Excl. Wall Time (microsec)1,448 1,469 21 1.5%
Incl. CPU (microsecs)59,645 60,458 813 1.4%
Incl. CPU (microsecs) per call 198 200 2 1.0%
Excl. CPU (microsec)1,580 1,618 38 2.4%
Incl. MemUse (bytes)1,395,748 1,396,216 468 0.0%
Incl. MemUse (bytes) per call 4,637 4,623 -14 -0.3%
Excl. MemUse (bytes)-11,980 -11,524 456 3.8%
Incl. PeakMemUse (bytes)1,031,220 1,031,648 428 0.0%
Incl. PeakMemUse (bytes) per call 3,426 3,416 -10 -0.3%
Excl. PeakMemUse (bytes)4,972 5,428 456 9.2%

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% 777 1.4% 813 1.3% 468 0.2% 428 0.2%
Exclusive Metrics Diff for Current Function21 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::loadTemplate1 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%