Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e1a85fcec: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #5350e128cfd2bRun #5350e1a85fcecDiffDiff%
Number of Function Calls1,272 1,272 0 0.0%
Incl. Wall Time (microsec)64 63 -1 -1.6%
Incl. Wall Time (microsec) per call 0 0 -0 -1.6%
Excl. Wall Time (microsec)64 63 -1 -1.6%
Incl. CPU (microsecs)1,359 1,408 49 3.6%
Incl. CPU (microsecs) per call 1 1 0 3.6%
Excl. CPU (microsec)1,359 1,408 49 3.6%
Incl. MemUse (bytes)66,576 66,576 0 0.0%
Incl. MemUse (bytes) per call 52 52 0 0.0%
Excl. MemUse (bytes)66,576 66,576 0 0.0%
Incl. PeakMemUse (bytes)7,504 7,504 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 0 0.0%
Excl. PeakMemUse (bytes)7,504 7,504 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% -1 -0.1% 49 4.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -100.0% 49 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% -7 -700.0% 11 22.4% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 4 400.0% 19 38.8% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 2 200.0% 6 12.2% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 1 100.0% 1 2.0% 0 N/A% 0 N/A%
_theme@20 N/A% -1 -100.0% 1 2.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% 3 6.1% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% -4 -8.2% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 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% -1 -2.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 2 4.1% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -1 -2.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 6 12.2% 0 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 0 0.0% -5 -10.2% 0 N/A% 0 N/A%
_drupal_request_initialize0 N/A% 0 0.0% -2 -4.1% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 8 16.3% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 2 4.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 2 4.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -2 -4.1% 0 N/A% 0 N/A%