Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls56 55 -1 -1.8%
Incl. Wall Time (microsec)19,612 19,885 273 1.4%
Incl. Wall Time (microsec) per call 350 362 11 3.2%
Excl. Wall Time (microsec)243 256 13 5.3%
Incl. CPU (microsecs)19,688 19,952 264 1.3%
Incl. CPU (microsecs) per call 352 363 11 3.2%
Excl. CPU (microsec)274 277 3 1.1%
Incl. MemUse (bytes)2,730,536 2,730,304 -232 -0.0%
Incl. MemUse (bytes) per call 48,760 49,642 882 1.8%
Excl. MemUse (bytes)-6,320 -6,320 0 0.0%
Incl. PeakMemUse (bytes)2,432,248 2,432,024 -224 -0.0%
Incl. PeakMemUse (bytes) per call 43,433 44,219 786 1.8%
Excl. PeakMemUse (bytes)5,848 6,032 184 3.1%

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% 273 109.6% 264 218.2% -232 -1.1% -224 -1.0%
Exclusive Metrics Diff for Current Function13 4.8% 3 1.1% 0 0.0% 184 82.1%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 218 79.9% 209 79.2% 8 3.4% -288 -128.6%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 106 38.8% 105 39.8% -16 -6.9% 200 89.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -59 -21.6% -54 -20.5% -224 -96.6% -136 -60.7%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 8 2.9% 5 1.9% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -1 -0.4% -2 -0.8% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 0.4% 1 0.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 258 94.5% 259 98.1% -232 -100.0% -408 -182.1%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 2 0.7% 2 0.8% 0 0.0% 0 0.0%