Diff Report
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa45581fb3: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for class_exists

class_existsRun #519aa37b5bebdRun #519aa45581fb3DiffDiff%
Number of Function Calls54 56 2 3.7%
Incl. Wall Time (microsec)71,217 73,030 1,813 2.5%
Incl. Wall Time (microsec) per call 1,319 1,304 -15 -1.1%
Excl. Wall Time (microsec)407 460 53 13.0%
Incl. CPU (microsecs)71,308 73,098 1,790 2.5%
Incl. CPU (microsecs) per call 1,321 1,305 -15 -1.2%
Excl. CPU (microsec)439 480 41 9.3%
Incl. MemUse (bytes)6,192,512 6,408,232 215,720 3.5%
Incl. MemUse (bytes) per call 114,676 114,433 -243 -0.2%
Excl. MemUse (bytes)-7,296 -8,112 -816 -11.2%
Incl. PeakMemUse (bytes)6,025,128 6,197,656 172,528 2.9%
Incl. PeakMemUse (bytes) per call 111,576 110,672 -904 -0.8%
Excl. PeakMemUse (bytes)4,400 4,528 128 2.9%

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_exists2 50.0% 1,813 24.1% 1,790 33.6% 215,720 73.7% 172,528 64.2%
Exclusive Metrics Diff for Current Function53 2.9% 41 2.3% -816 -0.4% 128 0.1%
Parent functions
Drupal\Core\Database\Connection::getDriverClass2 100.0% 2,481 136.8% 2,481 138.6% 215,568 99.9% 172,656 100.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -517 -28.5% -535 -29.9% 88 0.0% -168 -0.1%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -191 -10.5% -190 -10.6% 64 0.0% 40 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 27 1.5% 24 1.3% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 12 0.7% 11 0.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 1 0.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 0.0% 0 0.0% -1 -0.1% 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 function
Symfony\Component\ClassLoader\ClassLoader::loadClass2 100.0% 1,760 97.1% 1,749 97.7% 216,536 100.4% 172,400 99.9%