Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls1,198 1,198 0 0.0%
Incl. Wall Time (microsec)1,215 1,220 5 0.4%
Incl. Wall Time (microsec) per call 1 1 0 0.4%
Excl. Wall Time (microsec)1,215 1,220 5 0.4%
Incl. CPU (microsecs)2,186 2,177 -9 -0.4%
Incl. CPU (microsecs) per call 2 2 -0 -0.4%
Excl. CPU (microsec)2,186 2,177 -9 -0.4%
Incl. MemUse (bytes)68,900 68,900 0 0.0%
Incl. MemUse (bytes) per call 58 58 0 0.0%
Excl. MemUse (bytes)68,900 68,900 0 0.0%
Incl. PeakMemUse (bytes)22,780 22,780 0 0.0%
Incl. PeakMemUse (bytes) per call 19 19 0 0.0%
Excl. PeakMemUse (bytes)22,780 22,780 0 0.0%

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
substr0 N/A% 5 0.7% -9 -2.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 100.0% -9 -100.0% 0 N/A% 0 N/A%
Parent functions
devel_silent0 N/A% -4 -80.0% -9 -100.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 3 60.0% 19 211.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 2 40.0% 1 11.1% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 1 20.0% 1 11.1% 0 N/A% 0 N/A%
text_summary0 N/A% 1 20.0% -12 -133.3% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 1 20.0% 1 11.1% 0 N/A% 0 N/A%
theme@40 N/A% 1 20.0% 6 66.7% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% 0 0.0% -4 -44.4% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
theme@30 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 7 77.8% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 0 0.0% 2 22.2% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 0 0.0% -16 -177.8% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% 0 0.0% -3 -33.3% 0 N/A% 0 N/A%