Diff Report
Run #52c2677cc22b0: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c2694eecde3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52c2677cc22b0Run #52c2694eecde3DiffDiff%
Number of Function Calls6,224 6,228 4 0.1%
Incl. Wall Time (microsec)4,792 4,443 -349 -7.3%
Incl. Wall Time (microsec) per call 1 1 -0 -7.3%
Excl. Wall Time (microsec)4,792 4,443 -349 -7.3%
Incl. CPU (microsecs)8,145 8,208 63 0.8%
Incl. CPU (microsecs) per call 1 1 0 0.7%
Excl. CPU (microsec)8,145 8,208 63 0.8%
Incl. MemUse (bytes)202,088 202,232 144 0.1%
Incl. MemUse (bytes) per call 32 32 0 0.0%
Excl. MemUse (bytes)202,088 202,232 144 0.1%
Incl. PeakMemUse (bytes)6,600 6,128 -472 -7.2%
Incl. PeakMemUse (bytes) per call 1 1 -0 -7.2%
Excl. PeakMemUse (bytes)6,600 6,128 -472 -7.2%

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
substr4 100.0% -349 -0.8% 63 0.2% 144 0.2% -472 -0.3%
Exclusive Metrics Diff for Current Function-349 -100.0% 63 100.0% 144 100.0% -472 -100.0%
Parent functions
Symfony\Component\Yaml\Inline::parse0 0.0% -321 -92.0% 87 138.1% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 0.0% -41 -11.7% -40 -63.5% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseScalar0 0.0% 39 11.2% 67 106.3% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% -30 -8.6% -4 -6.3% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFile0 0.0% -13 -3.7% -34 -54.0% -48 -33.3% -88 -18.6%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 5 1.4% -1 -1.6% 0 0.0% -384 -81.4%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 5 1.4% 1 1.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 4 1.1% 4 6.3% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 0.0% 3 0.9% 6 9.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 2 0.6% 2 3.2% 168 116.7% 0 0.0%
theme@30 0.0% -2 -0.6% -33 -52.4% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% 1 0.3% 13 20.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% -1 -0.3% 2 3.2% 0 0.0% 0 0.0%
request_path0 0.0% -1 -0.3% -1 -1.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 0.3% -2 -3.2% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -2 -3.2% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::attributes0 0.0% 0 0.0% -4 -6.3% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% -1 -1.6% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% -1 -1.6% 24 16.7% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -4 -6.3% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 4 6.3% 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%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% 3 4.8% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 1 1.6% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%