Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls38 189 151 397.4%
Incl. Wall Time (microsec)5,442 6,158 716 13.2%
Incl. Wall Time (microsec) per call 143 33 -111 -77.2%
Excl. Wall Time (microsec)138 609 471 341.3%
Incl. CPU (microsecs)5,475 6,357 882 16.1%
Incl. CPU (microsecs) per call 144 34 -110 -76.7%
Excl. CPU (microsec)153 779 626 409.2%
Incl. MemUse (bytes)483,680 560,488 76,808 15.9%
Incl. MemUse (bytes) per call 12,728 2,966 -9,763 -76.7%
Excl. MemUse (bytes)-256 -256 0 0.0%
Incl. PeakMemUse (bytes)411,784 461,664 49,880 12.1%
Incl. PeakMemUse (bytes) per call 10,836 2,443 -8,394 -77.5%
Excl. PeakMemUse (bytes)7,960 8,168 208 2.6%

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_exists151 98.7% 716 0.3% 882 0.9% 76,808 31.6% 49,880 14.1%
Exclusive Metrics Diff for Current Function471 65.8% 626 71.0% 0 0.0% 208 0.4%
Parent functions
devel_watchdog150 99.3% 455 63.5% 612 69.4% 768 1.0% 288 0.6%
Drupal\Core\Database\Connection::getDriverClass2 1.3% 342 47.8% 346 39.2% 75,984 98.9% 50,688 101.6%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -62 -8.7% -59 -6.7% 40 0.1% 40 0.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% -17 -2.4% -14 -1.6% 16 0.0% -16 -0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% -2 -0.3% -2 -0.2% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate-1 -0.7% -1 -0.1% -2 -0.2% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 1 0.1% 1 0.1% 0 0.0% -1,120 -2.2%
_drupal_simpletest_conf_path0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass2 100.0% 245 34.2% 256 29.0% 76,808 100.0% 49,672 99.6%