Diff Report
Run #51b517a409f93: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b518680585e: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51b517a409f93Run #51b518680585eDiffDiff%
Number of Function Calls1,155 1,151 -4 -0.3%
Incl. Wall Time (microsec)1,795 1,754 -41 -2.3%
Incl. Wall Time (microsec) per call 2 2 -0 -1.9%
Excl. Wall Time (microsec)1,795 1,754 -41 -2.3%
Incl. CPU (microsecs)2,802 2,726 -76 -2.7%
Incl. CPU (microsecs) per call 2 2 -0 -2.4%
Excl. CPU (microsec)2,802 2,726 -76 -2.7%
Incl. MemUse (bytes)81,152 80,968 -184 -0.2%
Incl. MemUse (bytes) per call 70 70 0 0.1%
Excl. MemUse (bytes)81,152 80,968 -184 -0.2%
Incl. PeakMemUse (bytes)18,848 18,728 -120 -0.6%
Incl. PeakMemUse (bytes) per call 16 16 -0 -0.3%
Excl. PeakMemUse (bytes)18,848 18,728 -120 -0.6%

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% -41 -0.8% -76 -2.6% -184 -0.6% -120 -0.4%
Exclusive Metrics Diff for Current Function-41 -100.0% -76 -100.0% -184 -100.0% -120 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile-4 -100.0% -34 -82.9% -41 -53.9% -192 -104.3% -8 -6.7%
Twig_Environment::getCacheFilename0 0.0% -8 -19.5% -7 -9.2% 0 0.0% 0 0.0%
text_summary0 0.0% 6 14.6% 5 6.6% 0 0.0% 0 0.0%
theme@40 0.0% 3 7.3% 4 5.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -3 -7.3% -13 -17.1% 8 4.3% 40 33.3%
file_uri_scheme0 0.0% 3 7.3% -2 -2.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -2 -4.9% -9 -11.8% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% -2 -4.9% 1 1.3% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% -1 -2.4% -1 -1.3% 0 0.0% -152 -126.7%
theme@10 0.0% -1 -2.4% 0 0.0% 0 0.0% 0 0.0%
image_style_path_token0 0.0% -1 -2.4% 1 1.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -2.4% -3 -3.9% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% -5 -6.6% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 1 1.3% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% -1 -1.3% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 3 3.9% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -5 -6.6% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 3 3.9% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -1.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 1.3% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% -1 -1.3% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 1.3% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% -5 -6.6% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% -2 -2.6% 0 0.0% 0 0.0%