Diff Report
Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ff028be5c1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519fedcae68c3Run #519ff028be5c1DiffDiff%
Number of Function Calls5,423 5,423 0 0.0%
Incl. Wall Time (microsec)2,497 2,713 216 8.7%
Incl. Wall Time (microsec) per call 0 1 0 8.7%
Excl. Wall Time (microsec)2,497 2,713 216 8.7%
Incl. CPU (microsecs)6,731 6,817 86 1.3%
Incl. CPU (microsecs) per call 1 1 0 1.3%
Excl. CPU (microsec)6,731 6,817 86 1.3%
Incl. MemUse (bytes)184,208 184,208 0 0.0%
Incl. MemUse (bytes) per call 34 34 0 0.0%
Excl. MemUse (bytes)184,208 184,208 0 0.0%
Incl. PeakMemUse (bytes)25,328 25,328 0 0.0%
Incl. PeakMemUse (bytes) per call 5 5 0 0.0%
Excl. PeakMemUse (bytes)25,328 25,328 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
substr0 N/A% 216 11.3% 86 2.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function216 100.0% 86 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\Yaml\Inline::parse0 N/A% 128 59.3% 2 2.3% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Inline::parseScalar0 N/A% 75 34.7% 46 53.5% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 24 11.1% 14 16.3% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 N/A% -20 -9.3% 21 24.4% 0 N/A% 0 N/A%
theme@20 N/A% 7 3.2% 6 7.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 2 0.9% -3 -3.5% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 2 0.9% -3 -3.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -2 -0.9% -5 -5.8% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 N/A% 0 0.0% 4 4.7% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% -1 -1.2% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -2 -2.3% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 1 1.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 1 1.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -1 -1.2% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 2 2.3% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 4 4.7% 0 N/A% 0 N/A%