Diff Report
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #539206aca7ae8Run #539205a48c548DiffDiff%
Number of Function Calls434 410 -24 -5.5%
Incl. Wall Time (microsec)444 422 -22 -5.0%
Incl. Wall Time (microsec) per call 1 1 0 0.6%
Excl. Wall Time (microsec)444 422 -22 -5.0%
Incl. CPU (microsecs)811 729 -82 -10.1%
Incl. CPU (microsecs) per call 2 2 -0 -4.8%
Excl. CPU (microsec)811 729 -82 -10.1%
Incl. MemUse (bytes)25,940 24,804 -1,136 -4.4%
Incl. MemUse (bytes) per call 60 60 1 1.2%
Excl. MemUse (bytes)25,940 24,804 -1,136 -4.4%
Incl. PeakMemUse (bytes)9,484 10,236 752 7.9%
Incl. PeakMemUse (bytes) per call 22 25 3 14.2%
Excl. PeakMemUse (bytes)9,484 10,236 752 7.9%

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
substr-24 -100.0% -22 -0.5% -82 -2.2% -1,136 -1.2% 752 0.8%
Exclusive Metrics Diff for Current Function-22 -100.0% -82 -100.0% -1,136 -100.0% 752 100.0%
Parent functions
Twig_Environment::getCacheFilename-16 -66.7% -15 -68.2% -31 -37.8% -720 -63.4% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath-8 -33.3% -5 -22.7% -38 -46.3% -384 -33.8% 160 21.3%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -2 -9.1% -3 -3.7% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% -3 -3.7% 0 0.0% 344 45.7%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% 2 2.4% 0 0.0% 0 0.0%
_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_theme@20 0.0% 0 0.0% -4 -4.9% 0 0.0% 344 45.7%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% -4 -4.9% 0 0.0% 0 0.0%
twig_escape_filter0 0.0% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% -1 -1.2% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% 4 4.9% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% 0 0.0% -24 -2.1% 0 0.0%
GuzzleHttp\Client::getDefaultOptions0 0.0% 0 0.0% 2 2.4% 0 0.0% 0 0.0%
_theme@30 0.0% 0 0.0% -3 -3.7% -8 -0.7% -96 -12.8%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% -4 -4.9% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -4 -4.9% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -1 -1.2% 0 0.0% 0 0.0%
_drupal_request_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 0 0.0% -1 -1.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::getPort0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -2 -2.4% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\AdminPathConfigEntityConverter::convert0 0.0% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 3 3.7% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 0.0% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%