Diff Report
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for implode

implodeRun #53920c043e98bRun #53920b950c201DiffDiff%
Number of Function Calls480 479 -1 -0.2%
Incl. Wall Time (microsec)1,296 1,284 -12 -0.9%
Incl. Wall Time (microsec) per call 3 3 -0 -0.7%
Excl. Wall Time (microsec)606 615 9 1.5%
Incl. CPU (microsecs)1,807 1,789 -18 -1.0%
Incl. CPU (microsecs) per call 4 4 -0 -0.8%
Excl. CPU (microsec)1,112 1,116 4 0.4%
Incl. MemUse (bytes)116,948 115,860 -1,088 -0.9%
Incl. MemUse (bytes) per call 244 242 -2 -0.7%
Excl. MemUse (bytes)114,628 113,540 -1,088 -0.9%
Incl. PeakMemUse (bytes)18,792 18,776 -16 -0.1%
Incl. PeakMemUse (bytes) per call 39 39 0 0.1%
Excl. PeakMemUse (bytes)15,804 15,788 -16 -0.1%

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-1 -100.0% -12 -3.4% -18 -9.6% -1,088 -10.4% -16 -0.2%
Exclusive Metrics Diff for Current Function9 75.0% 4 22.2% -1,088 -100.0% -16 -100.0%
Parent functions
{closure}0 0.0% -24 -200.0% -24 -133.3% 0 0.0% 0 0.0%
Drupal\Core\Extension\ModuleHandler::alter0 0.0% 11 91.7% 20 111.1% 0 0.0% 0 0.0%
twig_render_template@10 0.0% 10 83.3% 6 33.3% -160 -14.7% 0 0.0%
Drupal\Core\Template\AttributeArray::__toString0 0.0% -7 -58.3% -17 -94.4% 0 0.0% -104 -650.0%
twig_render_template@20 0.0% -4 -33.3% -5 -27.8% -24 -2.2% 0 0.0%
twig_render_template-1 -100.0% -3 -25.0% -1 -5.6% -904 -83.1% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 0.0% 3 25.0% 8 44.4% 0 0.0% 88 550.0%
Drupal\Core\Database\Query\Condition::compile@10 0.0% 2 16.7% 5 27.8% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@20 0.0% 2 16.7% -2 -11.1% 0 0.0% 0 0.0%
drupal_render_cid_create0 0.0% -1 -8.3% 1 5.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\HeaderBag::getCacheControlHeader0 0.0% 1 8.3% 1 5.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::__toString0 0.0% -1 -8.3% -4 -22.2% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@10 0.0% 1 8.3% -1 -5.6% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@30 0.0% -1 -8.3% -1 -5.6% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::buildQuery0 0.0% -1 -8.3% 1 5.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::getClassName0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\user\Cache\UserRolesCacheContext::getContext0 0.0% 0 0.0% -1 -5.6% 0 0.0% 0 0.0%
template_preprocess_html0 0.0% 0 0.0% -1 -5.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::handleInputElement0 0.0% 0 0.0% -8 -44.4% 0 0.0% 0 0.0%
Drupal\Core\EventSubscriber\HtmlViewSubscriber::convertCacheTagsToHeader0 0.0% 0 0.0% -1 -5.6% 0 0.0% 0 0.0%
Drupal\user\PermissionsHash::generate0 0.0% 0 0.0% 2 11.1% 0 0.0% 0 0.0%
file_managed_file_process0 0.0% 0 0.0% -4 -22.2% 0 0.0% 0 0.0%
find_conf_path0 0.0% 0 0.0% 2 11.1% 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\Database\Driver\mysql\Insert::__toString0 0.0% 0 0.0% 2 11.1% 0 0.0% 0 0.0%
form_pre_render_group0 0.0% 0 0.0% 1 5.6% 0 0.0% 0 0.0%
form_process_group0 0.0% 0 0.0% -1 -5.6% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheKeys0 0.0% 0 0.0% 2 11.1% 0 0.0% 0 0.0%
_contextual_links_to_id0 0.0% 0 0.0% 2 11.1% 0 0.0% 0 0.0%
Child function
Drupal\Core\Page\HeadElement::__toString0 N/A% -21 -175.0% -22 -122.2% 0 0.0% 0 0.0%