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

substrRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls410 434 24 5.9%
Incl. Wall Time (microsec)422 444 22 5.2%
Incl. Wall Time (microsec) per call 1 1 -0 -0.6%
Excl. Wall Time (microsec)422 444 22 5.2%
Incl. CPU (microsecs)729 811 82 11.2%
Incl. CPU (microsecs) per call 2 2 0 5.1%
Excl. CPU (microsec)729 811 82 11.2%
Incl. MemUse (bytes)24,804 25,940 1,136 4.6%
Incl. MemUse (bytes) per call 60 60 -1 -1.2%
Excl. MemUse (bytes)24,804 25,940 1,136 4.6%
Incl. PeakMemUse (bytes)10,236 9,484 -752 -7.3%
Incl. PeakMemUse (bytes) per call 25 22 -3 -12.5%
Excl. PeakMemUse (bytes)10,236 9,484 -752 -7.3%

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
substr24 100.0% 22 0.5% 82 2.2% 1,136 1.2% -752 -0.8%
Exclusive Metrics Diff for Current Function22 100.0% 82 100.0% 1,136 100.0% -752 -100.0%
Parent functions
Twig_Environment::getCacheFilename16 66.7% 15 68.2% 31 37.8% 720 63.4% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath8 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%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 4 4.9% 0 0.0% 0 0.0%
_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 4 4.9% 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%
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%
_theme@20 0.0% 0 0.0% 4 4.9% 0 0.0% -344 -45.7%
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%