Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls10,897 10,893 -4 -0.0%
Incl. Wall Time (microsec)3,384 3,444 60 1.8%
Incl. Wall Time (microsec) per call 0 0 0 1.8%
Excl. Wall Time (microsec)3,384 3,444 60 1.8%
Incl. CPU (microsecs)13,831 13,674 -157 -1.1%
Incl. CPU (microsecs) per call 1 1 -0 -1.1%
Excl. CPU (microsec)13,831 13,674 -157 -1.1%
Incl. MemUse (bytes)677,232 677,336 104 0.0%
Incl. MemUse (bytes) per call 62 62 0 0.1%
Excl. MemUse (bytes)677,232 677,336 104 0.0%
Incl. PeakMemUse (bytes)10,816 10,872 56 0.5%
Incl. PeakMemUse (bytes) per call 1 1 0 0.6%
Excl. PeakMemUse (bytes)10,816 10,872 56 0.5%

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% 60 0.7% -157 -2.4% 104 0.3% 56 0.2%
Exclusive Metrics Diff for Current Function60 100.0% -157 -100.0% 104 100.0% 56 100.0%
Parent functions
Doctrine\Common\Annotations\DocLexer::getType0 0.0% 94 156.7% -132 -84.1% 128 123.1% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% -15 -25.0% -74 -47.1% 24 23.1% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -10 -16.7% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% -9 -15.0% 62 39.5% 136 130.8% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -4 -6.7% -3 -1.9% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 4 6.7% 2 1.3% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -3 -5.0% -9 -5.7% -168 -161.5% -88 -157.1%
theme@20 0.0% 1 1.7% 1 0.6% 0 0.0% 0 0.0%
Drupal\image\Plugin\Core\Entity\ImageStyle::getPathToken0 0.0% 1 1.7% 3 1.9% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 1 1.7% 3 1.9% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% -2 -1.3% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% -3 -1.9% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -3 -1.9% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% -3 -1.9% -16 -15.4% 144 257.1%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%