Diff Report
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for class_exists

class_existsRun #519b1ad213669Run #519b1557bbc04DiffDiff%
Number of Function Calls61 59 -2 -3.3%
Incl. Wall Time (microsec)78,365 75,840 -2,525 -3.2%
Incl. Wall Time (microsec) per call 1,285 1,285 1 0.1%
Excl. Wall Time (microsec)486 479 -7 -1.4%
Incl. CPU (microsecs)78,460 75,924 -2,536 -3.2%
Incl. CPU (microsecs) per call 1,286 1,287 1 0.0%
Excl. CPU (microsec)519 511 -8 -1.5%
Incl. MemUse (bytes)6,629,616 6,414,256 -215,360 -3.2%
Incl. MemUse (bytes) per call 108,682 108,716 34 0.0%
Excl. MemUse (bytes)-8,312 -7,496 816 9.8%
Incl. PeakMemUse (bytes)6,447,552 6,277,272 -170,280 -2.6%
Incl. PeakMemUse (bytes) per call 105,698 106,394 697 0.7%
Excl. PeakMemUse (bytes)6,280 6,152 -128 -2.0%

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-2 -50.0% -2,525 -21.0% -2,536 -16.8% -215,360 -84.1% -170,280 -76.0%
Exclusive Metrics Diff for Current Function-7 -0.3% -8 -0.3% 816 0.4% -128 -0.1%
Parent functions
Drupal\Core\Database\Connection::getDriverClass-2 -100.0% -2,688 -106.5% -2,690 -106.1% -215,528 -100.1% -160,712 -94.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 71 2.8% 60 2.4% 120 0.1% 64 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% 68 2.7% 70 2.8% 48 0.0% -9,632 -5.7%
Drupal\Core\Database\Query\Select::extend0 0.0% 20 0.8% 22 0.9% 0 0.0% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% 3 0.1% 3 0.1% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 0.0% 0 0.0% 1 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -2 -0.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass-2 -100.0% -2,518 -99.7% -2,528 -99.7% -216,176 -100.4% -170,152 -99.9%