XHProf: Hierarchical Profiler Report

Diff Report: Run #519eb7f35533b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #519eb7f35533b	Run #519eb7a1537f7	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	572	501	-71	-12.4%
Incl. Wall Time (microsec) per call	191	167	-24	-12.4%
Excl. Wall Time (microsec)	52	49	-3	-5.8%
Incl. CPU (microsecs)	579	508	-71	-12.3%
Incl. CPU (microsecs) per call	193	169	-24	-12.3%
Excl. CPU (microsec)	44	41	-3	-6.8%
Incl. MemUse (bytes)	25,980	25,980	0	0.0%
Incl. MemUse (bytes) per call	8,660	8,660	0	0.0%
Excl. MemUse (bytes)	-344	-344	0	0.0%
Incl. PeakMemUse (bytes)	26,948	26,948	0	0.0%
Incl. PeakMemUse (bytes) per call	8,983	8,983	0	0.0%
Excl. PeakMemUse (bytes)	1,260	1,260	0	0.0%

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*
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	-71	-2.4%	-71	-4.7%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-3	-4.2%	-3	-4.2%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-71	-100.0%	-71	-100.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	-30	-42.3%	-30	-42.3%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-27	-38.0%	-27	-38.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-8	-11.3%	-9	-12.7%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	-2	-2.8%	-2	-2.8%	0	N/A%	0	N/A%
array_keys	0	N/A%	-1	-1.4%	0	0.0%	0	N/A%	0	N/A%