XHProf: Hierarchical Profiler Report

Diff Report: Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Component\Utility\String::checkPlain

Drupal\Component\Utility\String::checkPlain	Run #5392041970f3f	Run #539201f8938f4	Diff	Diff%
Number of Function Calls	715	703	-12	-1.7%
Incl. Wall Time (microsec)	3,356	3,304	-52	-1.5%
Incl. Wall Time (microsec) per call	5	5	0	0.1%
Excl. Wall Time (microsec)	2,392	2,339	-53	-2.2%
Incl. CPU (microsecs)	4,095	4,044	-51	-1.2%
Incl. CPU (microsecs) per call	6	6	0	0.4%
Excl. CPU (microsec)	2,481	2,424	-57	-2.3%
Incl. MemUse (bytes)	130,444	128,404	-2,040	-1.6%
Incl. MemUse (bytes) per call	182	183	0	0.1%
Excl. MemUse (bytes)	27,220	26,884	-336	-1.2%
Incl. PeakMemUse (bytes)	15,968	15,412	-556	-3.5%
Incl. PeakMemUse (bytes) per call	22	22	-0	-1.8%
Excl. PeakMemUse (bytes)	9,460	9,224	-236	-2.5%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\String::checkPlain [View Callgraph Diff]

Function Name	Calls Diff	Calls 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*
Drupal\Component\Utility\String::checkPlain	-12	-50.0%	-52	-3.5%	-51	-1.9%	-2,040	-3.5%	-556	-0.9%
Exclusive Metrics Diff for Current Function			-53	-101.9%	-57	-111.8%	-336	-16.5%	-236	-42.4%
*Parent functions*
Drupal\Core\Template\AttributeValueBase::render	-6	-50.0%	-33	-63.5%	-19	-37.3%	-1,008	-49.4%	-348	-62.6%
Drupal\Core\Template\AttributeString::__toString	-4	-33.3%	19	36.5%	7	13.7%	-696	-34.1%	-208	-37.4%
l	0	0.0%	-16	-30.8%	-11	-21.6%	0	0.0%	0	0.0%
Drupal\Core\Template\AttributeArray::__toString	-2	-16.7%	-15	-28.8%	-28	-54.9%	-336	-16.5%	0	0.0%
check_plain	0	0.0%	-2	-3.8%	3	5.9%	0	0.0%	0	0.0%
theme_menu_local_task	0	0.0%	-2	-3.8%	-2	-3.9%	0	0.0%	0	0.0%
Drupal\Component\Utility\String::format	0	0.0%	-1	-1.9%	-1	-2.0%	0	0.0%	0	0.0%
drupal_add_html_head_link	0	0.0%	-1	-1.9%	5	9.8%	0	0.0%	0	0.0%
template_preprocess_html	0	0.0%	-1	-1.9%	-1	-2.0%	-12	-0.6%	0	0.0%
template_preprocess_page	0	0.0%	0	0.0%	-1	-2.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\String::placeholder	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Utility\LinkGenerator::generateFromUrl	0	0.0%	0	0.0%	-1	-2.0%	12	0.6%	0	0.0%
Drupal\Component\Utility\UrlHelper::filterBadProtocol	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
template_preprocess_field	0	0.0%	0	0.0%	3	5.9%	0	0.0%	0	0.0%
Drupal\Core\Field\Plugin\Field\FieldFormatter\StringFormatter::viewElements	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Template\AttributeBoolean::__toString	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
template_preprocess_links	0	0.0%	0	0.0%	-5	-9.8%	0	0.0%	0	0.0%
*Child function*
htmlspecialchars	-12	-100.0%	1	1.9%	6	11.8%	-1,704	-83.5%	-320	-57.6%