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

implodeRun #53920b950c201Run #53920c043e98bDiffDiff%
Number of Function Calls479 480 1 0.2%
Incl. Wall Time (microsec)1,284 1,296 12 0.9%
Incl. Wall Time (microsec) per call 3 3 0 0.7%
Excl. Wall Time (microsec)615 606 -9 -1.5%
Incl. CPU (microsecs)1,789 1,807 18 1.0%
Incl. CPU (microsecs) per call 4 4 0 0.8%
Excl. CPU (microsec)1,116 1,112 -4 -0.4%
Incl. MemUse (bytes)115,860 116,948 1,088 0.9%
Incl. MemUse (bytes) per call 242 244 2 0.7%
Excl. MemUse (bytes)113,540 114,628 1,088 1.0%
Incl. PeakMemUse (bytes)18,776 18,792 16 0.1%
Incl. PeakMemUse (bytes) per call 39 39 -0 -0.1%
Excl. PeakMemUse (bytes)15,788 15,804 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
implode1 100.0% 12 3.4% 18 9.6% 1,088 10.4% 16 0.2%
Exclusive Metrics Diff for Current Function-9 -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_template1 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%