Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for implode

implodeRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls510 506 -4 -0.8%
Incl. Wall Time (microsec)1,903 1,936 33 1.7%
Incl. Wall Time (microsec) per call 4 4 0 2.5%
Excl. Wall Time (microsec)642 648 6 0.9%
Incl. CPU (microsecs)2,416 2,423 7 0.3%
Incl. CPU (microsecs) per call 5 5 0 1.1%
Excl. CPU (microsec)1,142 1,126 -16 -1.4%
Incl. MemUse (bytes)121,588 120,056 -1,532 -1.3%
Incl. MemUse (bytes) per call 238 237 -1 -0.5%
Excl. MemUse (bytes)118,736 117,204 -1,532 -1.3%
Incl. PeakMemUse (bytes)21,100 21,064 -36 -0.2%
Incl. PeakMemUse (bytes) per call 41 42 0 0.6%
Excl. PeakMemUse (bytes)17,512 17,512 0 0.0%

Parent/Child Regression/Improvement report for implode [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
implode-4 -100.0% 33 2.3% 7 0.3% -1,532 -2.6% -36 -0.1%
Exclusive Metrics Diff for Current Function6 18.2% -16 -228.6% -1,532 -100.0% 0 0.0%
Parent functions
{closure}0 0.0% 27 81.8% 27 385.7% 0 0.0% -36 -100.0%
Drupal\Core\Database\Connection::expandArguments0 0.0% 9 27.3% 3 42.9% 0 0.0% 0 0.0%
Drupal\Core\Template\AttributeArray::__toString-2 -50.0% 8 24.2% 1 14.3% -176 -11.5% 0 0.0%
Drupal\Core\Extension\ModuleHandler::alter0 0.0% -4 -12.1% -10 -142.9% 0 0.0% 0 0.0%
twig_render_template@2-1 -25.0% -4 -12.1% -4 -57.1% -420 -27.4% 0 0.0%
twig_render_template0 0.0% -3 -9.1% -3 -42.9% -140 -9.1% 0 0.0%
twig_render_template@3-1 -25.0% -2 -6.1% -4 -57.1% -680 -44.4% 0 0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@10 0.0% 2 6.1% 3 42.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::__toString0 0.0% -1 -3.0% -2 -28.6% 0 0.0% 0 0.0%
twig_render_template@10 0.0% 1 3.0% -5 -71.4% -116 -7.6% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 0.0% -1 -3.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\HeaderBag::getCacheControlHeader0 0.0% 1 3.0% 1 14.3% 0 0.0% 0 0.0%
form_process_group0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheKeys0 0.0% 0 0.0% -2 -28.6% 0 0.0% 0 0.0%
Drupal\Core\EventSubscriber\HtmlViewSubscriber::convertCacheTagsToHeader0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
template_preprocess_html0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
form_pre_render_group0 0.0% 0 0.0% -2 -28.6% 0 0.0% 0 0.0%
Drupal\user\PermissionsHash::generate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::buildQuery0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_http_header_attributes0 0.0% 0 0.0% -2 -28.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Condition::compile0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::getClassName0 0.0% 0 0.0% -2 -28.6% 0 0.0% 0 0.0%
Drupal\user\Cache\UserRolesCacheContext::getContext0 0.0% 0 0.0% -1 -14.3% 0 0.0% 0 0.0%
drupal_render_cid_create0 0.0% 0 0.0% 4 57.1% 0 0.0% 0 0.0%
_contextual_links_to_id0 0.0% 0 0.0% 2 28.6% 0 0.0% 0 0.0%
find_conf_path0 0.0% 0 0.0% 2 28.6% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% 0 0.0% 1 14.3% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@20 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Drupal\Core\Page\HeadElement::__toString0 N/A% 27 81.8% 23 328.6% 0 0.0% -36 -100.0%