Diff Report
Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ff0715b88b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519fedcae68c3Run #519ff0715b88bDiffDiff%
Number of Function Calls5,423 5,431 8 0.1%
Incl. Wall Time (microsec)2,497 2,500 3 0.1%
Incl. Wall Time (microsec) per call 0 0 -0 -0.0%
Excl. Wall Time (microsec)2,497 2,500 3 0.1%
Incl. CPU (microsecs)6,731 6,769 38 0.6%
Incl. CPU (microsecs) per call 1 1 0 0.4%
Excl. CPU (microsec)6,731 6,769 38 0.6%
Incl. MemUse (bytes)184,208 184,584 376 0.2%
Incl. MemUse (bytes) per call 34 34 0 0.1%
Excl. MemUse (bytes)184,208 184,584 376 0.2%
Incl. PeakMemUse (bytes)25,328 25,328 0 0.0%
Incl. PeakMemUse (bytes) per call 5 5 -0 -0.1%
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
substr8 100.0% 3 0.2% 38 2.6% 376 0.5% 0 0.0%
Exclusive Metrics Diff for Current Function3 100.0% 38 100.0% 376 100.0% 0 N/A%
Parent functions
Symfony\Component\Yaml\Inline::parse0 0.0% 184 6133.3% 53 139.5% 0 0.0% 0 N/A%
Symfony\Component\Yaml\Inline::parseScalar0 0.0% -147 -4900.0% -33 -86.8% 0 0.0% 0 N/A%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 0.0% -89 -2966.7% 11 28.9% 0 0.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 52 1733.3% 11 28.9% 16 4.3% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 7 233.3% 2 5.3% 0 0.0% 0 N/A%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 0.0% -6 -200.0% -2 -5.3% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename8 100.0% 3 100.0% 7 18.4% 336 89.4% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -2 -66.7% -6 -15.8% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 1 33.3% 2 5.3% 0 0.0% 0 N/A%
theme@20 0.0% -1 -33.3% 1 2.6% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 1 33.3% 0 0.0% 0 0.0% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 0.0% 24 6.4% 0 N/A%
theme@10 0.0% 0 0.0% -1 -2.6% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -2 -5.3% 0 0.0% 0 N/A%
devel_silent0 0.0% 0 0.0% -2 -5.3% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -3 -7.9% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -2.6% 0 0.0% 0 N/A%
contextual_custom_theme0 0.0% 0 0.0% 1 2.6% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% -1 -2.6% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 2.6% 0 0.0% 0 N/A%