Diff Report
Run #523f531e517da: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523f531e517daRun #523f527beec76DiffDiff%
Number of Function Calls1,439 1,435 -4 -0.3%
Incl. Wall Time (microsec)488 628 140 28.7%
Incl. Wall Time (microsec) per call 0 0 0 29.0%
Excl. Wall Time (microsec)488 628 140 28.7%
Incl. CPU (microsecs)1,757 1,867 110 6.3%
Incl. CPU (microsecs) per call 1 1 0 6.6%
Excl. CPU (microsec)1,757 1,867 110 6.3%
Incl. MemUse (bytes)161,744 161,560 -184 -0.1%
Incl. MemUse (bytes) per call 112 113 0 0.2%
Excl. MemUse (bytes)161,744 161,560 -184 -0.1%
Incl. PeakMemUse (bytes)24,464 24,368 -96 -0.4%
Incl. PeakMemUse (bytes) per call 17 17 -0 -0.1%
Excl. PeakMemUse (bytes)24,464 24,368 -96 -0.4%

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-4 -100.0% 140 3.4% 110 1.5% -184 -0.7% -96 -0.4%
Exclusive Metrics Diff for Current Function140 100.0% 110 100.0% -184 -100.0% -96 -100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 0.0% 90 64.3% 80 72.7% 24 13.0% -32 -33.3%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 49 35.0% 43 39.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 6 4.3% -1 -0.9% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% -6 -4.3% -7 -6.4% 0 0.0% -64 -66.7%
Drupal\Component\Uuid\Php::generate0 0.0% -6 -4.3% -12 -10.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 5 3.6% 5 4.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% 3 2.1% -2 -1.8% -168 -91.3% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 0.0% -2 -1.4% -2 -1.8% -16 -8.7% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -2 -1.4% 4 3.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 2 1.4% 2 1.8% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% -1 -0.7% 1 0.9% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% 1 0.7% -1 -0.9% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% 1 0.7% 1 0.9% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% 2 1.8% 0 0.0% 0 0.0%
theme@30 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 0 0.0% 2 1.8% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% 0 0.0% -3 -2.7% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 0 0.0% -1 -0.9% -24 -13.0% 0 0.0%