Diff Report
Run #519ec94fa4daa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519ec94fa4daaRun #519ec8682c2dcDiffDiff%
Number of Function Calls1,317 1,277 -40 -3.0%
Incl. Wall Time (microsec)537 544 7 1.3%
Incl. Wall Time (microsec) per call 0 0 0 4.5%
Excl. Wall Time (microsec)537 544 7 1.3%
Incl. CPU (microsecs)1,617 1,569 -48 -3.0%
Incl. CPU (microsecs) per call 1 1 0 0.1%
Excl. CPU (microsec)1,617 1,569 -48 -3.0%
Incl. MemUse (bytes)264,112 261,672 -2,440 -0.9%
Incl. MemUse (bytes) per call 201 205 4 2.2%
Excl. MemUse (bytes)264,112 261,672 -2,440 -0.9%
Incl. PeakMemUse (bytes)18,640 17,744 -896 -4.8%
Incl. PeakMemUse (bytes) per call 14 14 -0 -1.8%
Excl. PeakMemUse (bytes)18,640 17,744 -896 -4.8%

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
substr-40 -100.0% 7 0.0% -48 -0.1% -2,440 -0.3% -896 -0.1%
Exclusive Metrics Diff for Current Function7 100.0% -48 -100.0% -2,440 -100.0% -896 -100.0%
Parent functions
Drupal\Component\Uuid\Php::generate0 0.0% -16 -228.6% 6 12.5% 0 0.0% 0 0.0%
theme@40 0.0% 13 185.7% -3 -6.2% 0 0.0% 0 0.0%
theme@50 0.0% 11 157.1% 1 2.1% 0 0.0% 288 32.1%
Symfony\Component\ClassLoader\ClassLoader::findFile-8 -20.0% -3 -42.9% -21 -43.8% -312 -12.8% 0 0.0%
theme@20 0.0% 2 28.6% 1 2.1% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-32 -80.0% -2 -28.6% -38 -79.2% -2,128 -87.2% -784 -87.5%
drupal_settings_initialize0 0.0% -2 -28.6% -1 -2.1% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 1 14.3% 2 4.2% 0 0.0% -312 -34.8%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 1 14.3% 0 0.0% 0 0.0% 0 0.0%
theme@10 0.0% 1 14.3% -2 -4.2% 0 0.0% -88 -9.8%
drupal_strip_dangerous_protocols0 0.0% 1 14.3% 1 2.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 1 14.3% 12 25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 14.3% 2 4.2% 0 0.0% 0 0.0%
theme@30 0.0% -1 -14.3% -2 -4.2% 0 0.0% 0 0.0%
request_path0 0.0% -1 -14.3% -1 -2.1% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% -3 -6.2% 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\ServerBag::getHeaders0 0.0% 0 0.0% -4 -8.3% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 1 2.1% 0 0.0% 0 0.0%
editor_custom_theme0 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% 3 6.2% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 0 0.0% -2 -4.2% 0 0.0% 0 0.0%