Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for implode

implodeRun #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls579 631 52 9.0%
Incl. Wall Time (microsec)1,036 1,169 133 12.8%
Incl. Wall Time (microsec) per call 2 2 0 3.5%
Excl. Wall Time (microsec)360 419 59 16.4%
Incl. CPU (microsecs)1,525 1,647 122 8.0%
Incl. CPU (microsecs) per call 3 3 -0 -0.9%
Excl. CPU (microsec)839 891 52 6.2%
Incl. MemUse (bytes)236,320 347,984 111,664 47.3%
Incl. MemUse (bytes) per call 408 551 143 35.1%
Excl. MemUse (bytes)231,776 343,432 111,656 48.2%
Incl. PeakMemUse (bytes)25,072 26,280 1,208 4.8%
Incl. PeakMemUse (bytes) per call 43 42 -2 -3.8%
Excl. PeakMemUse (bytes)19,696 20,776 1,080 5.5%

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
implode52 100.0% 133 3.1% 122 3.3% 111,664 104.2% 1,208 1.0%
Exclusive Metrics Diff for Current Function59 44.4% 52 42.6% 111,656 100.0% 1,080 89.4%
Parent functions
{closure}0 0.0% 79 59.4% 79 64.8% 8 0.0% 128 10.6%
twig_render_template@425 48.1% 25 18.8% 36 29.5% 13,208 11.8% 0 0.0%
twig_render_template@325 48.1% 25 18.8% 31 25.4% 18,608 16.7% 0 0.0%
twig_render_template0 0.0% 15 11.3% 19 15.6% 34,232 30.7% 888 73.5%
Drupal\Core\Extension\ModuleHandler::alter0 0.0% 14 10.5% -15 -12.3% 8 0.0% 0 0.0%
twig_render_template@20 0.0% -7 -5.3% -3 -2.5% 11,168 10.0% 0 0.0%
twig_render_template@10 0.0% -7 -5.3% -4 -3.3% 34,240 30.7% 0 0.0%
Drupal\Core\Database\Connection::expandArguments2 3.8% -4 -3.0% -15 -12.3% 192 0.2% 96 7.9%
Drupal\Core\Database\Query\Select::__toString0 0.0% -3 -2.3% -3 -2.5% 0 0.0% 0 0.0%
Drupal\Core\Template\AttributeArray::__toString0 0.0% -3 -2.3% -10 -8.2% 0 0.0% 96 7.9%
Drupal\Component\Utility\UrlHelper::buildQuery0 0.0% -1 -0.8% 8 6.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Condition::compile0 0.0% -1 -0.8% 4 3.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% 1 0.8% 1 0.8% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@20 0.0% 0 0.0% -1 -0.8% 0 0.0% 0 0.0%
form_process_group0 0.0% 0 0.0% -1 -0.8% 0 0.0% 0 0.0%
Drupal\Core\EventSubscriber\HtmlViewSubscriber::convertCacheTagsToHeader0 0.0% 0 0.0% 1 0.8% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\HeaderBag::getCacheControlHeader0 0.0% 0 0.0% -1 -0.8% 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% 1 0.8% 0 0.0% 0 0.0%
_contextual_links_to_id0 0.0% 0 0.0% 2 1.6% 0 0.0% 0 0.0%
drupal_http_header_attributes0 0.0% 0 0.0% -3 -2.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 0.0% 0 0.0% -1 -0.8% 0 0.0% 0 0.0%
Drupal\user\Cache\UserRolesCacheContext::getContext0 0.0% 0 0.0% -2 -1.6% 0 0.0% 0 0.0%
drupal_render_cid_create0 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 -1.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::getClassName0 0.0% 0 0.0% -1 -0.8% 0 0.0% 0 0.0%
Drupal\Core\Form\FormBuilder::doBuildForm@10 0.0% 0 0.0% 2 1.6% 0 0.0% 0 0.0%
Child function
Drupal\Core\Page\HeadElement::__toString0 N/A% 74 55.6% 70 57.4% 8 0.0% 128 10.6%