Diff Report
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52c862ea26981Run #52c8629919553DiffDiff%
Number of Function Calls1,317 1,313 -4 -0.3%
Incl. Wall Time (microsec)56 18 -38 -67.9%
Incl. Wall Time (microsec) per call 0 0 -0 -67.8%
Excl. Wall Time (microsec)56 18 -38 -67.9%
Incl. CPU (microsecs)1,331 1,330 -1 -0.1%
Incl. CPU (microsecs) per call 1 1 0 0.2%
Excl. CPU (microsec)1,331 1,330 -1 -0.1%
Incl. MemUse (bytes)72,440 72,272 -168 -0.2%
Incl. MemUse (bytes) per call 55 55 0 0.1%
Excl. MemUse (bytes)72,440 72,272 -168 -0.2%
Incl. PeakMemUse (bytes)17,512 17,544 32 0.2%
Incl. PeakMemUse (bytes) per call 13 13 0 0.5%
Excl. PeakMemUse (bytes)17,512 17,544 32 0.2%

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-4 -100.0% -38 -59.4% -1 -0.6% -168 -0.6% 32 0.1%
Exclusive Metrics Diff for Current Function-38 -100.0% -1 -100.0% -168 -100.0% 32 100.0%
Parent functions
Composer\Autoload\ClassLoader::set0 0.0% -30 -78.9% -21 -2100.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFile0 0.0% -6 -15.8% 23 2300.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% -1 -2.6% 1 100.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% -1 -2.6% -3 -300.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 2.6% 1 100.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -2.6% -3 -300.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 1 100.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -3 -300.0% 0 0.0% 32 100.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% -2 -200.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 1 100.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 7 700.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -2 -200.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 3 300.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% 0 0.0% -2 -200.0% -168 -100.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%