Diff Report
Run #5197310fa6a63: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for class_exists

class_existsRun #5197310fa6a63Run #51972fb0786efDiffDiff%
Number of Function Calls40 39 -1 -2.5%
Incl. Wall Time (microsec)685,345 685,229 -116 -0.0%
Incl. Wall Time (microsec) per call 17,134 17,570 436 2.5%
Excl. Wall Time (microsec)4,321 4,279 -42 -1.0%
Incl. CPU (microsecs)64,004 44,000 -20,004 -31.3%
Incl. CPU (microsecs) per call 1,600 1,128 -472 -29.5%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)8,367,376 8,366,248 -1,128 -0.0%
Incl. MemUse (bytes) per call 209,184 214,519 5,335 2.6%
Excl. MemUse (bytes)-6,440 -7,568 -1,128 -17.5%
Incl. PeakMemUse (bytes)7,996,064 7,996,064 0 0.0%
Incl. PeakMemUse (bytes) per call 199,902 205,027 5,126 2.6%
Excl. PeakMemUse (bytes)3,888 3,888 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_exists-1 -100.0% -116 -0.0% -20,004 -83.3% -1,128 -0.1% 0 0.0%
Exclusive Metrics Diff for Current Function-42 -36.2% 0 0.0% -1,128 -100.0% 0 N/A%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 460 396.6% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 0.0% -250 -215.5% -4,000 -20.0% 0 0.0% 0 N/A%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -244 -210.3% -12,003 -60.0% 0 0.0% 0 N/A%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -56 -48.3% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -100.0% -55 -47.4% 0 0.0% -1,128 -100.0% 0 N/A%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 30 25.9% -4,001 -20.0% 0 0.0% 0 N/A%
_drupal_simpletest_conf_path0 0.0% -1 -0.9% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -74 -63.8% -20,004 -100.0% 0 0.0% 0 N/A%