Diff Report
Run #519b1908c212c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519b182c941bf: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519b1908c212cRun #519b182c941bfDiffDiff%
Number of Function Calls896 864 -32 -3.6%
Incl. Wall Time (microsec)1,406 1,325 -81 -5.8%
Incl. Wall Time (microsec) per call 2 2 -0 -2.3%
Excl. Wall Time (microsec)1,406 1,325 -81 -5.8%
Incl. CPU (microsecs)2,127 2,019 -108 -5.1%
Incl. CPU (microsecs) per call 2 2 -0 -1.6%
Excl. CPU (microsec)2,127 2,019 -108 -5.1%
Incl. MemUse (bytes)65,992 64,760 -1,232 -1.9%
Incl. MemUse (bytes) per call 74 75 1 1.8%
Excl. MemUse (bytes)65,992 64,760 -1,232 -1.9%
Incl. PeakMemUse (bytes)17,272 17,352 80 0.5%
Incl. PeakMemUse (bytes) per call 19 20 1 4.2%
Excl. PeakMemUse (bytes)17,272 17,352 80 0.5%

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-32 -100.0% -81 -0.2% -108 -0.3% -1,232 -0.6% 80 0.0%
Exclusive Metrics Diff for Current Function-81 -100.0% -108 -100.0% -1,232 -100.0% 80 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -40 -49.4% -18 -16.7% -64 -5.2% -16 -20.0%
theme@3-24 -75.0% -25 -30.9% -52 -48.1% -832 -67.5% 0 0.0%
Twig_Environment::getCacheFilename-8 -25.0% -9 -11.1% -23 -21.3% -336 -27.3% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% -3 -3.7% -3 -2.8% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -2 -2.5% -4 -3.7% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% -1 -1.2% 1 0.9% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% -1 -1.2% -2 -1.9% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 1 1.2% 1 0.9% 0 0.0% 0 0.0%
theme@20 0.0% -1 -1.2% -3 -2.8% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% -2 -1.9% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
url0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% -2 -1.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 0.9% 0 0.0% 96 120.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -4 -3.7% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 4 3.7% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -2 -1.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -5 -4.6% 0 0.0% 0 0.0%