Diff Report
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195b6957e56: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #53195a48b6f09Run #53195b6957e56DiffDiff%
Number of Function Calls3,940 3,940 0 0.0%
Incl. Wall Time (microsec)2,084 1,946 -138 -6.6%
Incl. Wall Time (microsec) per call 1 0 -0 -6.6%
Excl. Wall Time (microsec)2,084 1,946 -138 -6.6%
Incl. CPU (microsecs)5,025 5,034 9 0.2%
Incl. CPU (microsecs) per call 1 1 0 0.2%
Excl. CPU (microsec)5,025 5,034 9 0.2%
Incl. MemUse (bytes)147,584 147,584 0 0.0%
Incl. MemUse (bytes) per call 37 37 0 0.0%
Excl. MemUse (bytes)147,584 147,584 0 0.0%
Incl. PeakMemUse (bytes)12,552 12,552 0 0.0%
Incl. PeakMemUse (bytes) per call 3 3 0 0.0%
Excl. PeakMemUse (bytes)12,552 12,552 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% -138 -6.0% 9 0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-138 -100.0% 9 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\Yaml\Inline::parseScalar0 N/A% -107 -77.5% -16 -177.8% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 N/A% -22 -15.9% -7 -77.8% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% -6 -4.3% 12 133.3% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 N/A% -6 -4.3% 9 100.0% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Inline::parse0 N/A% 5 3.6% 22 244.4% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% -4 -2.9% 21 233.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -3 -2.2% -7 -77.8% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 3 2.2% 5 55.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 3 2.2% 16 177.8% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% -2 -1.4% -4 -44.4% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% -2 -1.4% 10 111.1% 0 N/A% 0 N/A%
Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator::accept0 N/A% 2 1.4% -43 -477.8% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 1 0.7% 0 0.0% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% -2 -22.2% 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@20 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_drupal_request_initialize0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%