XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Component\Utility\Xss::split	Run #51ec3c5ab9ae4	Run #51ec3b81ad265	Diff	Diff%
Number of Function Calls	19	19	0	0.0%
Incl. Wall Time (microsec)	435	459	24	5.5%
Incl. Wall Time (microsec) per call	23	24	1	5.5%
Excl. Wall Time (microsec)	266	261	-5	-1.9%
Incl. CPU (microsecs)	455	473	18	4.0%
Incl. CPU (microsecs) per call	24	25	1	4.0%
Excl. CPU (microsec)	252	235	-17	-6.7%
Incl. MemUse (bytes)	25,464	25,432	-32	-0.1%
Incl. MemUse (bytes) per call	1,340	1,339	-2	-0.1%
Excl. MemUse (bytes)	-171,464	-171,512	-48	-0.0%
Incl. PeakMemUse (bytes)	72,056	67,760	-4,296	-6.0%
Incl. PeakMemUse (bytes) per call	3,792	3,566	-226	-6.0%
Excl. PeakMemUse (bytes)	38,416	34,536	-3,880	-10.1%

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\Xss::split	0	N/A%	24	6.4%	18	1.7%	-32	-0.1%	-4,296	-11.5%
Exclusive Metrics Diff for Current Function			-5	-20.8%	-17	-94.4%	-48	-150.0%	-3,880	-90.3%
*Parent functions*
Drupal\Component\Utility\Xss::filter	0	N/A%	21	87.5%	17	94.4%	-24	-75.0%	-4,296	-100.0%
preg_replace_callback	0	N/A%	3	12.5%	1	5.6%	-8	-25.0%	0	0.0%
*Child functions*
array_flip	0	N/A%	28	116.7%	31	172.2%	0	0.0%	-416	-9.7%
preg_match	0	N/A%	-1	-4.2%	1	5.6%	24	75.0%	0	0.0%
strtolower	0	N/A%	1	4.2%	1	5.6%	0	0.0%	0	0.0%
preg_replace	0	N/A%	1	4.2%	0	0.0%	0	0.0%	40	0.9%
Drupal\Component\Utility\Xss::attributes	0	N/A%	0	0.0%	1	5.6%	-8	-25.0%	-40	-0.9%
implode	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
trim	0	N/A%	0	0.0%	1	5.6%	0	0.0%	0	0.0%
substr	0	N/A%	0	0.0%	-1	-5.6%	0	0.0%	0	0.0%
strlen	0	N/A%	0	0.0%	1	5.6%	0	0.0%	0	0.0%