Diff Report
Run #519fd13122e91: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fd0873c1d7: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for class_exists

class_existsRun #519fd13122e91Run #519fd0873c1d7DiffDiff%
Number of Function Calls183 183 0 0.0%
Incl. Wall Time (microsec)34,463 35,856 1,393 4.0%
Incl. Wall Time (microsec) per call 188 196 8 4.0%
Excl. Wall Time (microsec)1,408 1,414 6 0.4%
Incl. CPU (microsecs)32,004 24,000 -8,004 -25.0%
Incl. CPU (microsecs) per call 175 131 -44 -25.0%
Excl. CPU (microsec)8,002 0 -8,002 -100.0%
Incl. MemUse (bytes)460,016 471,336 11,320 2.5%
Incl. MemUse (bytes) per call 2,514 2,576 62 2.5%
Excl. MemUse (bytes)-13,032 -13,032 0 0.0%
Incl. PeakMemUse (bytes)373,624 380,648 7,024 1.9%
Incl. PeakMemUse (bytes) per call 2,042 2,080 38 1.9%
Excl. PeakMemUse (bytes)8,312 8,312 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_exists0 N/A% 1,393 132.4% -8,004 -800400.0% 11,320 93.6% 7,024 783.9%
Exclusive Metrics Diff for Current Function6 0.4% -8,002 -100.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 642 46.1% -12,004 -150.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% 626 44.9% 4,000 50.0% 11,304 99.9% 7,184 102.3%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 58 4.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 57 4.1% 0 0.0% 16 0.1% -200 -2.8%
Drupal\Core\Database\Query\Select::extend0 N/A% 9 0.6% 0 0.0% 0 0.0% 40 0.6%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% 1 0.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 707 50.8% 0 0.0% 11,320 100.0% 6,992 99.5%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 680 48.8% -2 -0.0% 0 0.0% 32 0.5%