Diff Report
Run #519af4b90e33b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519af44245f83: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519af4b90e33bRun #519af44245f83DiffDiff%
Number of Function Calls906 898 -8 -0.9%
Incl. Wall Time (microsec)1,341 1,368 27 2.0%
Incl. Wall Time (microsec) per call 1 2 0 2.9%
Excl. Wall Time (microsec)1,341 1,368 27 2.0%
Incl. CPU (microsecs)2,079 2,100 21 1.0%
Incl. CPU (microsecs) per call 2 2 0 1.9%
Excl. CPU (microsec)2,079 2,100 21 1.0%
Incl. MemUse (bytes)75,128 74,784 -344 -0.5%
Incl. MemUse (bytes) per call 83 83 0 0.4%
Excl. MemUse (bytes)75,128 74,784 -344 -0.5%
Incl. PeakMemUse (bytes)21,080 21,024 -56 -0.3%
Incl. PeakMemUse (bytes) per call 23 23 0 0.6%
Excl. PeakMemUse (bytes)21,080 21,024 -56 -0.3%

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-8 -100.0% 27 1.2% 21 1.1% -344 -0.4% -56 -0.1%
Exclusive Metrics Diff for Current Function27 100.0% 21 100.0% -344 -100.0% -56 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 21 77.8% 39 185.7% -8 -2.3% -48 -85.7%
Twig_Environment::getCacheFilename-8 -100.0% -9 -33.3% -12 -57.1% -336 -97.7% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 7 25.9% -3 -14.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 4 14.8% 3 14.3% 0 0.0% -8 -14.3%
file_uri_scheme0 0.0% 2 7.4% 1 4.8% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 1 3.7% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 1 3.7% 4 19.0% 0 0.0% 0 0.0%
theme@10 0.0% -1 -3.7% 1 4.8% 0 0.0% 0 0.0%
devel_silent0 0.0% 1 3.7% 0 0.0% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 0 0.0% 1 4.8% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% -1 -4.8% 0 0.0% 0 0.0%
theme@30 0.0% 0 0.0% -1 -4.8% 0 0.0% 0 0.0%
url0 0.0% 0 0.0% -2 -9.5% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% -2 -9.5% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% -2 -9.5% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -2 -9.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -3 -14.3% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 1 4.8% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% -1 -4.8% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 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% 0 0.0% 0 0.0% 0 0.0%