XHProf: Hierarchical Profiler Report

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

Drupal\Component\Utility\Xss::split	Run #51ec3b81ad265	Run #51ec3c5ab9ae4	Diff	Diff%
Number of Function Calls	19	19	0	0.0%
Incl. Wall Time (microsec)	459	435	-24	-5.2%
Incl. Wall Time (microsec) per call	24	23	-1	-5.2%
Excl. Wall Time (microsec)	261	266	5	1.9%
Incl. CPU (microsecs)	473	455	-18	-3.8%
Incl. CPU (microsecs) per call	25	24	-1	-3.8%
Excl. CPU (microsec)	235	252	17	7.2%
Incl. MemUse (bytes)	25,432	25,464	32	0.1%
Incl. MemUse (bytes) per call	1,339	1,340	2	0.1%
Excl. MemUse (bytes)	-171,512	-171,464	48	0.0%
Incl. PeakMemUse (bytes)	67,760	72,056	4,296	6.3%
Incl. PeakMemUse (bytes) per call	3,566	3,792	226	6.3%
Excl. PeakMemUse (bytes)	34,536	38,416	3,880	11.2%

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%