Diff Report
Run #519a4887d3a25: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for class_exists

class_existsRun #519a4887d3a25Run #519a4774889ddDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)1,699,498 338,534 -1,360,964 -80.1%
Incl. Wall Time (microsec) per call 19,312 3,847 -15,466 -80.1%
Excl. Wall Time (microsec)13,922 2,757 -11,165 -80.2%
Incl. CPU (microsecs)108,008 76,005 -32,003 -29.6%
Incl. CPU (microsecs) per call 1,227 864 -364 -29.6%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)10,460,416 10,460,008 -408 -0.0%
Incl. MemUse (bytes) per call 118,868 118,864 -5 -0.0%
Excl. MemUse (bytes)-14,856 -14,856 0 0.0%
Incl. PeakMemUse (bytes)10,282,720 10,281,928 -792 -0.0%
Incl. PeakMemUse (bytes) per call 116,849 116,840 -9 -0.0%
Excl. PeakMemUse (bytes)8,608 8,608 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_exists0 N/A% -1,360,964 -9.0% -32,003 -799.9% -408 -24.2% -792 -52.7%
Exclusive Metrics Diff for Current Function-11,165 -0.8% 0 0.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -895,284 -65.8% -32,004 -100.0% -240 -58.8% -216 -27.3%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -279,388 -20.5% -1 -0.0% -288 -70.6% -280 -35.4%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -108,024 -7.9% 4,002 12.5% 120 29.4% -280 -35.4%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -66,594 -4.9% -4,000 -12.5% 0 0.0% -16 -2.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -11,077 -0.8% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% -182 -0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% -138 -0.0% 0 0.0% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% -131 -0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% -74 -0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% -72 -0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -1,349,799 -99.2% -32,003 -100.0% -408 -100.0% -792 -100.0%