Diff Report
Run #519eb193b2faa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb1c65e7e6: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519eb193b2faaRun #519eb1c65e7e6DiffDiff%
Number of Function Calls886 886 0 0.0%
Incl. Wall Time (microsec)448 516 68 15.2%
Incl. Wall Time (microsec) per call 1 1 0 15.2%
Excl. Wall Time (microsec)448 516 68 15.2%
Incl. CPU (microsecs)1,113 1,149 36 3.2%
Incl. CPU (microsecs) per call 1 1 0 3.2%
Excl. CPU (microsec)1,113 1,149 36 3.2%
Incl. MemUse (bytes)63,528 63,528 0 0.0%
Incl. MemUse (bytes) per call 72 72 0 0.0%
Excl. MemUse (bytes)63,528 63,528 0 0.0%
Incl. PeakMemUse (bytes)19,176 19,176 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 0 0.0%
Excl. PeakMemUse (bytes)19,176 19,176 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% 68 4.4% 36 1.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function68 100.0% 36 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 63 92.6% 18 50.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 3 4.4% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 2 2.9% 6 16.7% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 2 2.9% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 1.5% 0 0.0% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% -1 -1.5% 7 19.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -1.5% 1 2.8% 0 N/A% 0 N/A%
theme@40 N/A% -1 -1.5% 5 13.9% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 1 2.8% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -1 -2.8% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% 1 2.8% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -1 -2.8% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% -2 -5.6% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 5.6% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% -1 -2.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -3 -8.3% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 0 0.0% 3 8.3% 0 N/A% 0 N/A%