Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9459592df6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for class_exists

class_existsRun #51a944519b58cRun #51a9459592df6DiffDiff%
Number of Function Calls367 367 0 0.0%
Incl. Wall Time (microsec)56,967 56,821 -146 -0.3%
Incl. Wall Time (microsec) per call 155 155 -0 -0.3%
Excl. Wall Time (microsec)2,011 1,958 -53 -2.6%
Incl. CPU (microsecs)57,304 57,164 -140 -0.2%
Incl. CPU (microsecs) per call 156 156 -0 -0.2%
Excl. CPU (microsec)1,886 1,836 -50 -2.7%
Incl. MemUse (bytes)1,683,768 1,683,776 8 0.0%
Incl. MemUse (bytes) per call 4,588 4,588 0 0.0%
Excl. MemUse (bytes)-26,776 -26,776 0 0.0%
Incl. PeakMemUse (bytes)1,601,480 1,566,208 -35,272 -2.2%
Incl. PeakMemUse (bytes) per call 4,364 4,268 -96 -2.2%
Excl. PeakMemUse (bytes)6,448 6,552 104 1.6%

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_exists0 N/A% -146 -1.4% -140 -1.3% 8 0.0% -35,272 -27.8%
Exclusive Metrics Diff for Current Function-53 -36.3% -50 -35.7% 0 0.0% 104 0.3%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% -291 -199.3% -284 -202.9% 0 0.0% 32 0.1%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 N/A% 184 126.0% 182 130.0% 48 600.0% 48 0.1%
Drupal\Core\Config\Context\ConfigContextFactory::get0 N/A% -5 -3.4% -6 -4.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -4 -2.7% -3 -2.1% -8 -100.0% 48 0.1%
Drupal\Core\Database\Query\Select::extend0 N/A% -1 -0.7% -2 -1.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 N/A% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 N/A% -29 -19.9% -24 -17.1% -32 -400.0% -35,400 -100.4%
Drupal\Core\Template\TwigEnvironment::loadTemplate0 N/A% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 N/A% 0 0.0% -2 -1.4% 0 0.0% 0 0.0%
file_stream_wrapper_valid_scheme0 N/A% -1 -0.7% 1 0.7% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 N/A% 1 0.7% 0 0.0% 0 0.0% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 135 92.5% 121 86.4% 8 100.0% -35,432 -100.5%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -228 -156.2% -211 -150.7% 0 0.0% 56 0.2%