Diff Report
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8bd1b3c1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519ec8682c2dcRun #519ec8bd1b3c1DiffDiff%
Number of Function Calls1,277 1,277 0 0.0%
Incl. Wall Time (microsec)544 616 72 13.2%
Incl. Wall Time (microsec) per call 0 0 0 13.2%
Excl. Wall Time (microsec)544 616 72 13.2%
Incl. CPU (microsecs)1,569 1,628 59 3.8%
Incl. CPU (microsecs) per call 1 1 0 3.8%
Excl. CPU (microsec)1,569 1,628 59 3.8%
Incl. MemUse (bytes)261,672 261,672 0 0.0%
Incl. MemUse (bytes) per call 205 205 0 0.0%
Excl. MemUse (bytes)261,672 261,672 0 0.0%
Incl. PeakMemUse (bytes)17,744 17,744 0 0.0%
Incl. PeakMemUse (bytes) per call 14 14 0 0.0%
Excl. PeakMemUse (bytes)17,744 17,744 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% 72 2.8% 59 1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function72 100.0% 59 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 64 88.9% 10 16.9% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 4 5.6% 38 64.4% 0 N/A% 0 N/A%
theme@40 N/A% -2 -2.8% 5 8.5% 0 N/A% 0 N/A%
devel_silent0 N/A% 2 2.8% 2 3.4% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 1 1.4% -8 -13.6% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 1 1.4% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 1 1.4% -1 -1.7% 0 N/A% 0 N/A%
theme@20 N/A% 1 1.4% -1 -1.7% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% 1 1.7% 0 N/A% 0 N/A%
theme@30 N/A% 0 0.0% 1 1.7% 0 N/A% 0 N/A%
theme@50 N/A% 0 0.0% 12 20.3% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -1 -1.7% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -3 -5.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -1 -1.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -1 -1.7% 0 N/A% 0 N/A%
contextual_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 1.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 1.7% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 4 6.8% 0 N/A% 0 N/A%