Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls254 258 4 1.6%
Incl. Wall Time (microsec)88 78 -10 -11.4%
Incl. Wall Time (microsec) per call 0 0 -0 -12.7%
Excl. Wall Time (microsec)88 78 -10 -11.4%
Incl. CPU (microsecs)366 341 -25 -6.8%
Incl. CPU (microsecs) per call 1 1 -0 -8.3%
Excl. CPU (microsec)366 341 -25 -6.8%
Incl. MemUse (bytes)25,336 25,552 216 0.9%
Incl. MemUse (bytes) per call 100 99 -1 -0.7%
Excl. MemUse (bytes)25,336 25,552 216 0.9%
Incl. PeakMemUse (bytes)8,800 8,800 0 0.0%
Incl. PeakMemUse (bytes) per call 35 34 -1 -1.6%
Excl. PeakMemUse (bytes)8,800 8,800 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
substr4 100.0% -10 -0.4% -25 -1.2% 216 0.4% 0 0.0%
Exclusive Metrics Diff for Current Function-10 -100.0% -25 -100.0% 216 100.0% 0 N/A%
Parent functions
theme@20 0.0% -11 -110.0% -12 -48.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 9 90.0% 5 20.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% -4 -40.0% -9 -36.0% 0 0.0% 0 N/A%
theme@10 0.0% 3 30.0% 2 8.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -3 -30.0% -4 -16.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -3 -30.0% -1 -4.0% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename4 100.0% -2 -20.0% -5 -20.0% 232 107.4% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 1 10.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 2 8.0% -16 -7.4% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% -3 -12.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% -4 -16.0% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 1 4.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 1 4.0% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 0.0% 0 0.0% 1 4.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 2 8.0% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%