Diff Report
Run #5185b9518e91e: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #5185bb5ce59fb: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for class_exists

class_existsRun #5185b9518e91eRun #5185bb5ce59fbDiffDiff%
Number of Function Calls470 470 0 0.0%
Incl. Wall Time (microsec)28,758 28,688 -70 -0.2%
Incl. Wall Time (microsec) per call 61 61 -0 -0.2%
Excl. Wall Time (microsec)1,498 1,508 10 0.7%
Incl. CPU (microsecs)16,001 36,000 19,999 125.0%
Incl. CPU (microsecs) per call 34 77 43 125.0%
Excl. CPU (microsec)4,000 8,000 4,000 100.0%
Incl. MemUse (bytes)2,185,608 2,185,480 -128 -0.0%
Incl. MemUse (bytes) per call 4,650 4,650 -0 -0.0%
Excl. MemUse (bytes)-32,832 -32,832 0 0.0%
Incl. PeakMemUse (bytes)1,756,544 1,756,768 224 0.0%
Incl. PeakMemUse (bytes) per call 3,737 3,738 0 0.0%
Excl. PeakMemUse (bytes)13,200 13,200 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% -70 -1.2% 19,999 N/A% -128 -0.6% 224 0.8%
Exclusive Metrics Diff for Current Function10 14.3% 4,000 20.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 2 2.9% 7,999 40.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 6 8.6% 4,000 20.0% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% 4,000 20.0% 0 0.0% 0 0.0%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% -43 -61.4% 4,000 20.0% -80 -62.5% 80 35.7%
file_stream_wrapper_valid_scheme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -34 -48.6% 0 0.0% -48 -37.5% 144 64.3%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -1 -1.4% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 12 17.1% 11,999 60.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -92 -131.4% 4,000 20.0% -128 -100.0% 224 100.0%