Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e2663e694: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #5350e128cfd2bRun #5350e2663e694DiffDiff%
Number of Function Calls1,272 1,278 6 0.5%
Incl. Wall Time (microsec)64 84 20 31.2%
Incl. Wall Time (microsec) per call 0 0 0 30.6%
Excl. Wall Time (microsec)64 84 20 31.2%
Incl. CPU (microsecs)1,359 1,354 -5 -0.4%
Incl. CPU (microsecs) per call 1 1 -0 -0.8%
Excl. CPU (microsec)1,359 1,354 -5 -0.4%
Incl. MemUse (bytes)66,576 66,904 328 0.5%
Incl. MemUse (bytes) per call 52 52 0 0.0%
Excl. MemUse (bytes)66,576 66,904 328 0.5%
Incl. PeakMemUse (bytes)7,504 7,504 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 -0 -0.5%
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
substr6 100.0% 20 1.2% -5 -0.3% 328 1.4% 0 0.0%
Exclusive Metrics Diff for Current Function20 100.0% -5 -100.0% 328 100.0% 0 N/A%
Parent functions
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 23 115.0% 12 240.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -1 -5.0% 6 120.0% 0 0.0% 0 N/A%
_theme@10 0.0% 1 5.0% -2 -40.0% 0 0.0% 0 N/A%
_theme@20 0.0% -1 -5.0% -3 -60.0% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% -1 -5.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -1 -5.0% -8 -160.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% -3 -60.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -2 -40.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath2 33.3% 0 0.0% 2 40.0% 120 36.6% 0 N/A%
_drupal_request_initialize0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 2 40.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% -2 -40.0% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% -2 -40.0% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename4 66.7% 0 0.0% -4 -80.0% 208 63.4% 0 N/A%