Diff Report
Run #5196effcededb: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for substr

substrRun #5196effcededbRun #5196ef15c751eDiffDiff%
Number of Function Calls727 727 0 0.0%
Incl. Wall Time (microsec)6,394 10,661 4,267 66.7%
Incl. Wall Time (microsec) per call 9 15 6 66.7%
Excl. Wall Time (microsec)6,394 10,661 4,267 66.7%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 6 6 N/A%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)77,024 77,024 0 0.0%
Incl. MemUse (bytes) per call 106 106 0 0.0%
Excl. MemUse (bytes)77,024 77,024 0 0.0%
Incl. PeakMemUse (bytes)12,744 12,744 0 0.0%
Incl. PeakMemUse (bytes) per call 18 18 0 0.0%
Excl. PeakMemUse (bytes)12,744 12,744 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% 4,267 0.4% 4,000 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4,267 100.0% 4,000 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 3,971 93.1% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 71 1.7% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 51 1.2% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 50 1.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 26 0.6% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 26 0.6% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 13 0.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 12 0.3% 0 0.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 11 0.3% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 7 0.2% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 7 0.2% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 6 0.1% 0 0.0% 0 N/A% 0 N/A%
theme@10 N/A% 6 0.1% 0 0.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 5 0.1% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 5 0.1% 0 0.0% 0 N/A% 0 N/A%