Diff Report
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c862c126d67: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52c8629919553Run #52c862c126d67DiffDiff%
Number of Function Calls1,313 1,313 0 0.0%
Incl. Wall Time (microsec)18 20 2 11.1%
Incl. Wall Time (microsec) per call 0 0 0 11.1%
Excl. Wall Time (microsec)18 20 2 11.1%
Incl. CPU (microsecs)1,330 1,310 -20 -1.5%
Incl. CPU (microsecs) per call 1 1 -0 -1.5%
Excl. CPU (microsec)1,330 1,310 -20 -1.5%
Incl. MemUse (bytes)72,272 72,272 0 0.0%
Incl. MemUse (bytes) per call 55 55 0 0.0%
Excl. MemUse (bytes)72,272 72,272 0 0.0%
Incl. PeakMemUse (bytes)17,544 17,544 0 0.0%
Incl. PeakMemUse (bytes) per call 13 13 0 0.0%
Excl. PeakMemUse (bytes)17,544 17,544 0 0.0%

Parent/Child Regression/Improvement report for substr [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
substr0 N/A% 2 0.3% -20 -2.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 100.0% -20 -100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% 4 200.0% -14 -70.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -2 -100.0% 5 25.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -1 -50.0% -4 -20.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 50.0% 9 45.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 3 15.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -13 -65.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -8 -40.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -2 -10.0% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% 0 0.0% 4 20.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 10.0% 0 N/A% 0 N/A%