Diff Report
Run #51b031de38383: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b0309e0d24b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51b031de38383Run #51b0309e0d24bDiffDiff%
Number of Function Calls5,941 5,937 -4 -0.1%
Incl. Wall Time (microsec)1,820 1,472 -348 -19.1%
Incl. Wall Time (microsec) per call 0 0 -0 -19.1%
Excl. Wall Time (microsec)1,820 1,472 -348 -19.1%
Incl. CPU (microsecs)7,251 7,317 66 0.9%
Incl. CPU (microsecs) per call 1 1 0 1.0%
Excl. CPU (microsec)7,251 7,317 66 0.9%
Incl. MemUse (bytes)201,264 201,128 -136 -0.1%
Incl. MemUse (bytes) per call 34 34 -0 -0.0%
Excl. MemUse (bytes)201,264 201,128 -136 -0.1%
Incl. PeakMemUse (bytes)14,456 14,592 136 0.9%
Incl. PeakMemUse (bytes) per call 2 2 0 1.0%
Excl. PeakMemUse (bytes)14,456 14,592 136 0.9%

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% -348 -1.0% 66 0.2% -136 -0.1% 136 0.0%
Exclusive Metrics Diff for Current Function-348 -100.0% 66 100.0% -136 -100.0% 136 100.0%
Parent functions
Symfony\Component\Yaml\Inline::parseScalar0 0.0% -275 -79.0% 39 59.1% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 0.0% -83 -23.9% -24 -36.4% 0 0.0% 0 0.0%
theme@30 0.0% 24 6.9% 7 10.6% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 0.0% -14 -4.0% 25 37.9% 0 0.0% 56 41.2%
Symfony\Component\Yaml\Inline::parse0 0.0% 12 3.4% 41 62.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::attributes0 0.0% -12 -3.4% 10 15.2% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -10 -2.9% -39 -59.1% 0 0.0% -32 -23.5%
theme@20 0.0% 8 2.3% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -2 -0.6% -5 -7.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 2 0.6% -1 -1.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% 1 0.3% -3 -4.5% -168 -123.5% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% -1 -0.3% 9 13.6% 0 0.0% 0 0.0%
theme@10 0.0% 1 0.3% 1 1.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 1 0.3% 0 0.0% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% -1 -1.5% 32 23.5% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 3 4.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 1 1.5% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 1 1.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -2 -3.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -1 -1.5% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% -1 -1.5% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 112 82.4%
devel_silent0 0.0% 0 0.0% 3 4.5% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 3 4.5% 0 0.0% 0 0.0%