Diff Report
Run #51ad0610ca11a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad06ef28a53: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51ad0610ca11aRun #51ad06ef28a53DiffDiff%
Number of Function Calls1,172 1,188 16 1.4%
Incl. Wall Time (microsec)576 594 18 3.1%
Incl. Wall Time (microsec) per call 0 1 0 1.7%
Excl. Wall Time (microsec)576 594 18 3.1%
Incl. CPU (microsecs)1,574 1,572 -2 -0.1%
Incl. CPU (microsecs) per call 1 1 -0 -1.5%
Excl. CPU (microsec)1,574 1,572 -2 -0.1%
Incl. MemUse (bytes)86,224 86,880 656 0.8%
Incl. MemUse (bytes) per call 74 73 -0 -0.6%
Excl. MemUse (bytes)86,224 86,880 656 0.8%
Incl. PeakMemUse (bytes)15,624 15,688 64 0.4%
Incl. PeakMemUse (bytes) per call 13 13 -0 -0.9%
Excl. PeakMemUse (bytes)15,624 15,688 64 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
substr16 100.0% 18 0.3% -2 -0.1% 656 0.4% 64 0.0%
Exclusive Metrics Diff for Current Function18 100.0% -2 -100.0% 656 100.0% 64 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 12 66.7% -32 -1600.0% -16 -2.4% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% 6 33.3% -1 -50.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -3 -16.7% -1 -50.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename16 100.0% -3 -16.7% 15 750.0% 672 102.4% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 3 16.7% 2 100.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 3 16.7% 3 150.0% 0 0.0% 0 0.0%
theme@20 0.0% 2 11.1% 2 100.0% 0 0.0% 0 0.0%
devel_silent0 0.0% 1 5.6% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -5.6% 3 150.0% 0 0.0% 64 100.0%
theme@40 0.0% -1 -5.6% 4 200.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -1 -5.6% -3 -150.0% 0 0.0% 0 0.0%
text_summary0 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% -3 -150.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 2 100.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 8 400.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
url0 0.0% 0 0.0% -2 -100.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%