Diff Report
Run #519ead70538d1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eadc55e057: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519ead70538d1Run #519eadc55e057DiffDiff%
Number of Function Calls1,088 1,088 0 0.0%
Incl. Wall Time (microsec)1,142 1,137 -5 -0.4%
Incl. Wall Time (microsec) per call 1 1 -0 -0.4%
Excl. Wall Time (microsec)1,142 1,137 -5 -0.4%
Incl. CPU (microsecs)2,018 1,973 -45 -2.2%
Incl. CPU (microsecs) per call 2 2 -0 -2.2%
Excl. CPU (microsec)2,018 1,973 -45 -2.2%
Incl. MemUse (bytes)60,456 60,456 0 0.0%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)60,456 60,456 0 0.0%
Incl. PeakMemUse (bytes)25,624 25,624 0 0.0%
Incl. PeakMemUse (bytes) per call 24 24 0 0.0%
Excl. PeakMemUse (bytes)25,624 25,624 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 -0.4% -45 -19.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -100.0% -45 -100.0% 0 N/A% 0 N/A%
Parent functions
file_uri_scheme0 N/A% -6 -120.0% -12 -26.7% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 2 40.0% -36 -80.0% 0 N/A% 0 N/A%
text_summary0 N/A% -2 -40.0% -2 -4.4% 0 N/A% 0 N/A%
theme@10 N/A% 2 40.0% 2 4.4% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -20.0% -1 -2.2% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -2 -4.4% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% -1 -2.2% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -5 -11.1% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% -2 -4.4% 0 N/A% 0 N/A%
theme@30 N/A% 0 0.0% -1 -2.2% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% -1 -2.2% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% 5 11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 2 4.4% 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%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 3 6.7% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 2 4.4% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 2.2% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% -1 -2.2% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 3 6.7% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 1 2.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%