Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #5391fc871e91dRun #5391fd5a43e70DiffDiff%
Number of Function Calls378 390 12 3.2%
Incl. Wall Time (microsec)376 402 26 6.9%
Incl. Wall Time (microsec) per call 1 1 0 3.6%
Excl. Wall Time (microsec)376 402 26 6.9%
Incl. CPU (microsecs)691 702 11 1.6%
Incl. CPU (microsecs) per call 2 2 -0 -1.5%
Excl. CPU (microsec)691 702 11 1.6%
Incl. MemUse (bytes)23,484 24,060 576 2.5%
Incl. MemUse (bytes) per call 62 62 -0 -0.7%
Excl. MemUse (bytes)23,484 24,060 576 2.5%
Incl. PeakMemUse (bytes)10,020 9,860 -160 -1.6%
Incl. PeakMemUse (bytes) per call 27 25 -1 -4.6%
Excl. PeakMemUse (bytes)10,020 9,860 -160 -1.6%

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
substr12 100.0% 26 1.6% 11 2.8% 576 2.3% -160 -0.6%
Exclusive Metrics Diff for Current Function26 100.0% 11 100.0% 576 100.0% -160 -100.0%
Parent functions
Twig_Environment::getCacheFilename8 66.7% 10 38.5% 17 154.5% 360 62.5% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 9 34.6% -1 -9.1% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath4 33.3% 4 15.4% 8 72.7% 192 33.3% -160 -100.0%
Drupal\Component\Uuid\Php::generate0 0.0% 2 7.7% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 1 3.8% -1 -9.1% 0 0.0% 0 0.0%
_theme@20 0.0% 0 0.0% -2 -18.2% 0 0.0% 0 0.0%
_theme0 0.0% 0 0.0% 1 9.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 1 9.1% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% 1 9.1% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% -1 -9.1% 0 0.0% 0 0.0%
twig_escape_filter0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% -1 -9.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 1 9.1% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% -1 -9.1% 24 4.2% 0 0.0%
GuzzleHttp\Client::getDefaultOptions0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 0 0.0% -2 -18.2% 0 0.0% 0 0.0%
_drupal_request_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 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 18.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::getPort0 0.0% 0 0.0% 1 9.1% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 1 9.1% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -8 -72.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 3 27.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -4 -36.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 1 9.1% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -2 -18.2% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\AdminPathConfigEntityConverter::convert0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -3 -27.3% 0 0.0% 0 0.0%