Diff Report
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e418f395327: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52e417f8e04a5Run #52e418f395327DiffDiff%
Number of Function Calls1,653 1,650 -3 -0.2%
Incl. Wall Time (microsec)158 140 -18 -11.4%
Incl. Wall Time (microsec) per call 0 0 -0 -11.2%
Excl. Wall Time (microsec)158 140 -18 -11.4%
Incl. CPU (microsecs)1,742 1,696 -46 -2.6%
Incl. CPU (microsecs) per call 1 1 -0 -2.5%
Excl. CPU (microsec)1,742 1,696 -46 -2.6%
Incl. MemUse (bytes)281,104 280,928 -176 -0.1%
Incl. MemUse (bytes) per call 170 170 0 0.1%
Excl. MemUse (bytes)281,104 280,928 -176 -0.1%
Incl. PeakMemUse (bytes)156,440 156,776 336 0.2%
Incl. PeakMemUse (bytes) per call 95 95 0 0.4%
Excl. PeakMemUse (bytes)156,440 156,776 336 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-3 -100.0% -18 -56.2% -46 -24.7% -176 -0.5% 336 1.0%
Exclusive Metrics Diff for Current Function-18 -100.0% -46 -100.0% -176 -100.0% 336 100.0%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -9 -50.0% -25 -54.3% 0 0.0% -40 -11.9%
Composer\Autoload\ClassLoader::findFile0 0.0% -5 -27.8% -55 -119.6% 64 36.4% 264 78.6%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% -2 -11.1% 4 8.7% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -1 -5.6% 7 15.2% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 1 5.6% 5 10.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -5.6% 4 8.7% 0 0.0% 0 0.0%
search_excerpt0 0.0% -1 -5.6% -1 -2.2% 0 0.0% 0 0.0%
theme@11 33.3% 0 0.0% 1 2.2% 32 18.2% 112 33.3%
Twig_Environment::getCacheFilename-4 -133.3% 0 0.0% -8 -17.4% -232 -131.8% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% 1 2.2% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 1 2.2% 0 0.0% 0 0.0%
theme@2-1 -33.3% 0 0.0% 4 8.7% -32 -18.2% 0 0.0%
Drupal\Core\Database\Connection::query0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -1 -2.2% -40 -22.7% 0 0.0%
request_path0 0.0% 0 0.0% 1 2.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 7 15.2% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -2 -4.3% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 5 10.9% 0 0.0% 0 0.0%
dblog_watchdog0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% -1 -2.2% 0 0.0% 0 0.0%
theme1 33.3% 0 0.0% 7 15.2% 32 18.2% 0 0.0%