Diff Report
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee626b79e4: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #531ee5f3237b0Run #531ee626b79e4DiffDiff%
Number of Function Calls316 316 0 0.0%
Incl. Wall Time (microsec)20 16 -4 -20.0%
Incl. Wall Time (microsec) per call 0 0 -0 -20.0%
Excl. Wall Time (microsec)20 16 -4 -20.0%
Incl. CPU (microsecs)338 353 15 4.4%
Incl. CPU (microsecs) per call 1 1 0 4.4%
Excl. CPU (microsec)338 353 15 4.4%
Incl. MemUse (bytes)28,664 28,664 0 0.0%
Incl. MemUse (bytes) per call 91 91 0 0.0%
Excl. MemUse (bytes)28,664 28,664 0 0.0%
Incl. PeakMemUse (bytes)4,456 4,456 0 0.0%
Incl. PeakMemUse (bytes) per call 14 14 0 0.0%
Excl. PeakMemUse (bytes)4,456 4,456 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% -4 -2.8% 15 4.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -100.0% 15 100.0% 0 N/A% 0 N/A%
Parent functions
request_path0 N/A% 1 25.0% 1 6.7% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% -1 -25.0% -2 -13.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% -1 -25.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 1 25.0% 5 33.3% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 1 25.0% 7 46.7% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -25.0% 0 0.0% 0 N/A% 0 N/A%
twig_render_template@10 N/A% -1 -25.0% -2 -13.3% 0 N/A% 0 N/A%
_theme@20 N/A% -1 -25.0% 5 33.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -25.0% 5 33.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -25.0% -2 -13.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 0 0.0% -4 -26.7% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Guzzle\Http\Client::initSsl0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_drupal_request_initialize0 N/A% 0 0.0% 2 13.3% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% 0 0.0% -1 -6.7% 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%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 6.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% -5 -33.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 5 33.3% 0 N/A% 0 N/A%