Diff Report
Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #53195bb0cc668Run #53195a48b6f09DiffDiff%
Number of Function Calls3,952 3,940 -12 -0.3%
Incl. Wall Time (microsec)1,998 2,084 86 4.3%
Incl. Wall Time (microsec) per call 1 1 0 4.6%
Excl. Wall Time (microsec)1,998 2,084 86 4.3%
Incl. CPU (microsecs)4,915 5,025 110 2.2%
Incl. CPU (microsecs) per call 1 1 0 2.5%
Excl. CPU (microsec)4,915 5,025 110 2.2%
Incl. MemUse (bytes)148,336 147,584 -752 -0.5%
Incl. MemUse (bytes) per call 38 37 -0 -0.2%
Excl. MemUse (bytes)148,336 147,584 -752 -0.5%
Incl. PeakMemUse (bytes)12,944 12,552 -392 -3.0%
Incl. PeakMemUse (bytes) per call 3 3 -0 -2.7%
Excl. PeakMemUse (bytes)12,944 12,552 -392 -3.0%

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
substr-12 -100.0% 86 2.5% 110 3.2% -752 -0.2% -392 -0.1%
Exclusive Metrics Diff for Current Function86 100.0% 110 100.0% -752 -100.0% -392 -100.0%
Parent functions
Symfony\Component\Yaml\Inline::parseScalar0 0.0% 73 84.9% 44 40.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 0.0% 12 14.0% 20 18.2% 0 0.0% 0 0.0%
Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator::accept0 0.0% 10 11.6% 49 44.5% -40 -5.3% -88 -22.4%
Symfony\Component\Yaml\Inline::parse0 0.0% -8 -9.3% -12 -10.9% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFile0 0.0% -7 -8.1% 2 1.8% -8 -1.1% -440 -112.2%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 0.0% 5 5.8% -3 -2.7% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 4 4.7% 8 7.3% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-12 -100.0% -4 -4.7% -19 -17.3% -696 -92.6% 136 34.7%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -3 -3.5% -6 -5.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 3 3.5% 10 9.1% 8 1.1% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 2 2.3% -9 -8.2% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% -1 -1.2% 17 15.5% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% -4 -3.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 4 3.6% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% -2 -1.8% -16 -2.1% 0 0.0%
_theme@20 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 3 2.7% 0 0.0% 0 0.0%
_drupal_request_initialize0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 8 7.3% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -2 -1.8% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%