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

substrRun #519ec8682c2dcRun #519ec94fa4daaDiffDiff%
Number of Function Calls1,277 1,317 40 3.1%
Incl. Wall Time (microsec)544 537 -7 -1.3%
Incl. Wall Time (microsec) per call 0 0 -0 -4.3%
Excl. Wall Time (microsec)544 537 -7 -1.3%
Incl. CPU (microsecs)1,569 1,617 48 3.1%
Incl. CPU (microsecs) per call 1 1 -0 -0.1%
Excl. CPU (microsec)1,569 1,617 48 3.1%
Incl. MemUse (bytes)261,672 264,112 2,440 0.9%
Incl. MemUse (bytes) per call 205 201 -4 -2.1%
Excl. MemUse (bytes)261,672 264,112 2,440 0.9%
Incl. PeakMemUse (bytes)17,744 18,640 896 5.0%
Incl. PeakMemUse (bytes) per call 14 14 0 1.9%
Excl. PeakMemUse (bytes)17,744 18,640 896 5.0%

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
substr40 100.0% -7 -0.0% 48 0.1% 2,440 0.3% 896 0.1%
Exclusive Metrics Diff for Current Function-7 -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::findFile8 20.0% 3 42.9% 21 43.8% 312 12.8% 0 0.0%
Twig_Environment::getCacheFilename32 80.0% 2 28.6% 38 79.2% 2,128 87.2% 784 87.5%
theme@20 0.0% -2 -28.6% -1 -2.1% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 2 28.6% 1 2.1% 0 0.0% 0 0.0%
theme@10 0.0% -1 -14.3% 2 4.2% 0 0.0% 88 9.8%
theme@30 0.0% 1 14.3% 2 4.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -14.3% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 1 14.3% 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%
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%
image_style_path_token0 0.0% 0 0.0% 2 4.2% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 3 6.2% 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%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 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%