Diff Report
Run #519bd4feea4c7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519bd405e5fe3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519bd4feea4c7Run #519bd405e5fe3DiffDiff%
Number of Function Calls843 839 -4 -0.5%
Incl. Wall Time (microsec)1,293 1,279 -14 -1.1%
Incl. Wall Time (microsec) per call 2 2 -0 -0.6%
Excl. Wall Time (microsec)1,293 1,279 -14 -1.1%
Incl. CPU (microsecs)1,999 1,943 -56 -2.8%
Incl. CPU (microsecs) per call 2 2 -0 -2.3%
Excl. CPU (microsec)1,999 1,943 -56 -2.8%
Incl. MemUse (bytes)62,360 62,200 -160 -0.3%
Incl. MemUse (bytes) per call 74 74 0 0.2%
Excl. MemUse (bytes)62,360 62,200 -160 -0.3%
Incl. PeakMemUse (bytes)16,568 16,568 0 0.0%
Incl. PeakMemUse (bytes) per call 20 20 0 0.5%
Excl. PeakMemUse (bytes)16,568 16,568 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
substr-4 -100.0% -14 -0.2% -56 -0.8% -160 -0.3% 0 0.0%
Exclusive Metrics Diff for Current Function-14 -100.0% -56 -100.0% -160 -100.0% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -9 -64.3% -40 -71.4% 8 5.0% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% -4 -28.6% -9 -16.1% -168 -105.0% 0 N/A%
file_uri_scheme0 0.0% -1 -7.1% -2 -3.6% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 1 7.1% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -1 -7.1% 2 3.6% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% -1 -7.1% -1 -1.8% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 1 7.1% 0 0.0% 0 0.0% 0 N/A%
url0 0.0% 0 0.0% 2 3.6% 0 0.0% 0 N/A%
image_style_path_token0 0.0% 0 0.0% 1 1.8% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% -4 -7.1% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
devel_silent0 0.0% 0 0.0% -2 -3.6% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -2 -3.6% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 1 1.8% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 N/A%
contextual_custom_theme0 0.0% 0 0.0% -2 -3.6% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 0.0% 1 1.8% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 2 3.6% 0 0.0% 0 N/A%