Diff Report
Run #51a27ce83196d: XHProf Run (Namespace=drupal-perf-trevorbradley)
vs.
Run #51a27d81b1262: XHProf Run (Namespace=drupal-perf-trevorbradley)
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Regression/Improvement summary for substr

substrRun #51a27ce83196dRun #51a27d81b1262DiffDiff%
Number of Function Calls747 751 4 0.5%
Incl. Wall Time (microsec)162 81 -81 -50.0%
Incl. Wall Time (microsec) per call 0 0 -0 -50.3%
Excl. Wall Time (microsec)162 81 -81 -50.0%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 5 0 -5 -100.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)65,144 65,312 168 0.3%
Incl. MemUse (bytes) per call 87 87 -0 -0.3%
Excl. MemUse (bytes)65,144 65,312 168 0.3%
Incl. PeakMemUse (bytes)26,728 27,064 336 1.3%
Incl. PeakMemUse (bytes) per call 36 36 0 0.7%
Excl. PeakMemUse (bytes)26,728 27,064 336 1.3%

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% -81 -3.1% -4,000 -100.0% 168 0.3% 336 0.6%
Exclusive Metrics Diff for Current Function-81 -100.0% -4,000 -100.0% 168 100.0% 336 100.0%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 1 1.2% 0 0.0% 168 100.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 0 0.0% 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@10 0.0% -1 -1.2% 0 0.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% -1 -1.2% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 1 1.2% 0 0.0% 0 0.0% 336 100.0%
theme@30 0.0% -1 -1.2% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -1.2% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 1 1.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -3 -3.7% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -70 -86.4% -4,000 -100.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% -1 -1.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -6 -7.4% 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%
edit_custom_theme0 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\Request::preparePathInfo0 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%