Diff Report
Run #519abb02c8da6: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519abd5ae932a: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for substr

substrRun #519abb02c8da6Run #519abd5ae932aDiffDiff%
Number of Function Calls1,216 1,220 4 0.3%
Incl. Wall Time (microsec)1,690 1,659 -31 -1.8%
Incl. Wall Time (microsec) per call 1 1 -0 -2.2%
Excl. Wall Time (microsec)1,690 1,659 -31 -1.8%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 3 0 -3 -100.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)50,988 51,096 108 0.2%
Incl. MemUse (bytes) per call 42 42 -0 -0.1%
Excl. MemUse (bytes)50,988 51,096 108 0.2%
Incl. PeakMemUse (bytes)14,124 14,292 168 1.2%
Incl. PeakMemUse (bytes) per call 12 12 0 0.9%
Excl. PeakMemUse (bytes)14,124 14,292 168 1.2%

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% -31 -0.0% -4,000 -2.9% 108 0.3% 168 0.7%
Exclusive Metrics Diff for Current Function-31 -100.0% -4,000 -100.0% 108 100.0% 168 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -55 -177.4% 0 0.0% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 17 54.8% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 4 12.9% 0 0.0% 116 107.4% 0 0.0%
file_uri_scheme0 0.0% 3 9.7% 0 0.0% 0 0.0% 168 100.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -2 -6.5% 0 0.0% 0 0.0% 0 0.0%
theme@10 0.0% 1 3.2% 0 0.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 1 3.2% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 1 3.2% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% -1 -3.2% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% -8 -7.4% 0 0.0%
theme@20 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% -4,000 -100.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 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% 0 0.0%