Diff Report
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519d9d52c2102Run #519d9cf28420eDiffDiff%
Number of Function Calls1,055 1,055 0 0.0%
Incl. Wall Time (microsec)1,101 1,097 -4 -0.4%
Incl. Wall Time (microsec) per call 1 1 -0 -0.4%
Excl. Wall Time (microsec)1,101 1,097 -4 -0.4%
Incl. CPU (microsecs)2,158 2,132 -26 -1.2%
Incl. CPU (microsecs) per call 2 2 -0 -1.2%
Excl. CPU (microsec)2,158 2,132 -26 -1.2%
Incl. MemUse (bytes)90,608 90,608 0 0.0%
Incl. MemUse (bytes) per call 86 86 0 0.0%
Excl. MemUse (bytes)90,608 90,608 0 0.0%
Incl. PeakMemUse (bytes)29,400 29,400 0 0.0%
Incl. PeakMemUse (bytes) per call 28 28 0 0.0%
Excl. PeakMemUse (bytes)29,400 29,400 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% -4 -1.8% -26 -1.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -100.0% -26 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -3 -75.0% -16 -61.5% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% -2 -50.0% 4 15.4% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 1 25.0% 2 7.7% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
text_summary0 N/A% 0 0.0% -3 -11.5% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% 0 0.0% 15 57.7% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 2 7.7% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 0 0.0% -25 -96.2% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 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 11.5% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -4 -15.4% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -7 -26.9% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 3 11.5% 0 N/A% 0 N/A%