XHProf: Hierarchical Profiler Report

Diff Report: Run #5196f0780fa8c: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
Tip: Click a function name below to drill down.

check_plain	Run #5196f0780fa8c	Run #5196ef15c751e	Diff	Diff%
Number of Function Calls	581	530	-51	-8.8%
Incl. Wall Time (microsec)	137,888	41,517	-96,371	-69.9%
Incl. Wall Time (microsec) per call	237	78	-159	-67.0%
Excl. Wall Time (microsec)	52,438	15,824	-36,614	-69.8%
Incl. CPU (microsecs)	16,000	4,000	-12,000	-75.0%
Incl. CPU (microsecs) per call	28	8	-20	-72.6%
Excl. CPU (microsec)	4,000	4,000	0	0.0%
Incl. MemUse (bytes)	159,152	146,080	-13,072	-8.2%
Incl. MemUse (bytes) per call	274	276	2	0.6%
Excl. MemUse (bytes)	9,176	9,176	0	0.0%
Incl. PeakMemUse (bytes)	12,616	11,704	-912	-7.2%
Incl. PeakMemUse (bytes) per call	22	22	0	1.7%
Excl. PeakMemUse (bytes)	3,184	2,976	-208	-6.5%

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*
check_plain	-51	-50.0%	-96,371	-1.5%	-12,000	-60.0%	-13,072	-0.7%	-912	-0.1%
Exclusive Metrics Diff for Current Function			-36,614	-38.0%	0	0.0%	0	0.0%	-208	-22.8%
*Parent functions*
array_map	-51	-100.0%	-73,836	-76.6%	-4,000	-33.3%	-13,056	-99.9%	-912	-100.0%
Drupal\Core\Template\AttributeString::__toString	0	0.0%	-18,248	-18.9%	-8,000	-66.7%	-16	-0.1%	0	0.0%
l	0	0.0%	-1,533	-1.6%	0	0.0%	0	0.0%	0	0.0%
drupal_pre_render_styles	0	0.0%	-1,396	-1.4%	0	0.0%	0	0.0%	0	0.0%
Drupal\block\BlockBase::build	0	0.0%	-840	-0.9%	0	0.0%	0	0.0%	0	0.0%
template_preprocess_page	0	0.0%	-209	-0.2%	0	0.0%	0	0.0%	0	0.0%
template_preprocess_html	0	0.0%	-160	-0.2%	0	0.0%	0	0.0%	0	0.0%
theme_links	0	0.0%	-149	-0.2%	0	0.0%	0	0.0%	0	0.0%
*Child function*
Drupal\Component\Utility\String::checkPlain	-51	-100.0%	-59,757	-62.0%	-12,000	-100.0%	-13,072	-100.0%	-704	-77.2%