Diff Report
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e4189e0e4fe: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52e417f8e04a5Run #52e4189e0e4feDiffDiff%
Number of Function Calls1,653 1,653 0 0.0%
Incl. Wall Time (microsec)158 168 10 6.3%
Incl. Wall Time (microsec) per call 0 0 0 6.3%
Excl. Wall Time (microsec)158 168 10 6.3%
Incl. CPU (microsecs)1,742 1,769 27 1.5%
Incl. CPU (microsecs) per call 1 1 0 1.5%
Excl. CPU (microsec)1,742 1,769 27 1.5%
Incl. MemUse (bytes)281,104 281,104 0 0.0%
Incl. MemUse (bytes) per call 170 170 0 0.0%
Excl. MemUse (bytes)281,104 281,104 0 0.0%
Incl. PeakMemUse (bytes)156,440 156,440 0 0.0%
Incl. PeakMemUse (bytes) per call 95 95 0 0.0%
Excl. PeakMemUse (bytes)156,440 156,440 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% 10 2.7% 27 7.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 100.0% 27 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 13 130.0% 13 48.1% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% -5 -50.0% -15 -55.6% 0 N/A% 0 N/A%
dblog_watchdog0 N/A% -1 -10.0% 1 3.7% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% 1 10.0% -1 -3.7% 0 N/A% 0 N/A%
theme@10 N/A% 1 10.0% 1 3.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 1 10.0% 2 7.4% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 2 7.4% 0 N/A% 0 N/A%
search_excerpt0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% 0 0.0% -2 -7.4% 0 N/A% 0 N/A%
theme0 N/A% 0 0.0% -3 -11.1% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 5 18.5% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 2 7.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 7 25.9% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 8 29.6% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 5 18.5% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 3 11.1% 0 N/A% 0 N/A%