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

class_existsRun #519fd0873c1d7Run #519fd13122e91DiffDiff%
Number of Function Calls183 183 0 0.0%
Incl. Wall Time (microsec)35,856 34,463 -1,393 -3.9%
Incl. Wall Time (microsec) per call 196 188 -8 -3.9%
Excl. Wall Time (microsec)1,414 1,408 -6 -0.4%
Incl. CPU (microsecs)24,000 32,004 8,004 33.4%
Incl. CPU (microsecs) per call 131 175 44 33.4%
Excl. CPU (microsec)0 8,002 8,002 N/A%
Incl. MemUse (bytes)471,336 460,016 -11,320 -2.4%
Incl. MemUse (bytes) per call 2,576 2,514 -62 -2.4%
Excl. MemUse (bytes)-13,032 -13,032 0 0.0%
Incl. PeakMemUse (bytes)380,648 373,624 -7,024 -1.8%
Incl. PeakMemUse (bytes) per call 2,080 2,042 -38 -1.8%
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 Function-6 -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%