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

substrRun #519b182c941bfRun #519b1908c212cDiffDiff%
Number of Function Calls864 896 32 3.7%
Incl. Wall Time (microsec)1,325 1,406 81 6.1%
Incl. Wall Time (microsec) per call 2 2 0 2.3%
Excl. Wall Time (microsec)1,325 1,406 81 6.1%
Incl. CPU (microsecs)2,019 2,127 108 5.3%
Incl. CPU (microsecs) per call 2 2 0 1.6%
Excl. CPU (microsec)2,019 2,127 108 5.3%
Incl. MemUse (bytes)64,760 65,992 1,232 1.9%
Incl. MemUse (bytes) per call 75 74 -1 -1.7%
Excl. MemUse (bytes)64,760 65,992 1,232 1.9%
Incl. PeakMemUse (bytes)17,352 17,272 -80 -0.5%
Incl. PeakMemUse (bytes) per call 20 19 -1 -4.0%
Excl. PeakMemUse (bytes)17,352 17,272 -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
substr32 100.0% 81 0.2% 108 0.3% 1,232 0.6% -80 -0.0%
Exclusive Metrics Diff for Current Function81 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@324 75.0% 25 30.9% 52 48.1% 832 67.5% 0 0.0%
Twig_Environment::getCacheFilename8 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%