Diff Report
Run #51a287416d8a8: XHProf Run (Namespace=drupal-perf-trevorbradley)
vs.
Run #51a28832b7403: XHProf Run (Namespace=drupal-perf-trevorbradley)
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Regression/Improvement summary for substr

substrRun #51a287416d8a8Run #51a28832b7403DiffDiff%
Number of Function Calls1,342 1,346 4 0.3%
Incl. Wall Time (microsec)166 113 -53 -31.9%
Incl. Wall Time (microsec) per call 0 0 -0 -32.1%
Excl. Wall Time (microsec)166 113 -53 -31.9%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)100,200 100,336 136 0.1%
Incl. MemUse (bytes) per call 75 75 -0 -0.2%
Excl. MemUse (bytes)100,200 100,336 136 0.1%
Incl. PeakMemUse (bytes)29,304 29,360 56 0.2%
Incl. PeakMemUse (bytes) per call 22 22 -0 -0.1%
Excl. PeakMemUse (bytes)29,304 29,360 56 0.2%

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
substr4 100.0% -53 -1.5% 0 0.0% 136 0.2% 56 0.0%
Exclusive Metrics Diff for Current Function-53 -100.0% 0 N/A% 136 100.0% 56 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -54 -101.9% 0 N/A% -24 -17.6% -24 -42.9%
theme@4336 8400.0% 7 13.2% 0 N/A% 11,960 8794.1% 560 1000.0%
drupal_settings_initialize0 0.0% -4 -7.5% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -4 -7.5% 0 N/A% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 3 5.7% 0 N/A% 0 0.0% 0 0.0%
theme@20 0.0% -3 -5.7% 0 N/A% 0 0.0% 0 0.0%
theme@3-336 -8400.0% -3 -5.7% 0 N/A% -11,960 -8794.1% -480 -857.1%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 3 5.7% 0 N/A% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 2 3.8% 0 N/A% 168 123.5% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 1 1.9% 0 N/A% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 1 1.9% 0 N/A% -8 -5.9% 0 0.0%
theme@10 0.0% -1 -1.9% 0 N/A% 0 0.0% 0 0.0%
request_path0 0.0% -1 -1.9% 0 N/A% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%