XHProf: Hierarchical Profiler Report

Diff Report: Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::get	Run #519be9a13e594	Run #519bea9000214	Diff	Diff%
Number of Function Calls	12	12	0	0.0%
Incl. Wall Time (microsec)	238	235	-3	-1.3%
Incl. Wall Time (microsec) per call	20	20	-0	-1.3%
Excl. Wall Time (microsec)	183	181	-2	-1.1%
Incl. CPU (microsecs)	261	257	-4	-1.5%
Incl. CPU (microsecs) per call	22	21	-0	-1.5%
Excl. CPU (microsec)	161	152	-9	-5.6%
Incl. MemUse (bytes)	5,376	5,376	0	0.0%
Incl. MemUse (bytes) per call	448	448	0	0.0%
Excl. MemUse (bytes)	3,040	3,040	0	0.0%
Incl. PeakMemUse (bytes)	5,024	5,024	0	0.0%
Incl. PeakMemUse (bytes) per call	419	419	0	0.0%
Excl. PeakMemUse (bytes)	3,320	3,320	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\HeaderBag::get	0	N/A%	-3	-0.1%	-4	-0.2%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-2	-66.7%	-9	-225.0%	0	N/A%	0	N/A%
*Parent functions*
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	-2	-66.7%	-1	-25.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	-2	-66.7%	-3	-75.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	1	33.3%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	0	0.0%	1	25.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::createFromGlobals	0	N/A%	0	0.0%	-1	-25.0%	0	N/A%	0	N/A%
*Child functions*
array_key_exists	0	N/A%	-1	-33.3%	-1	-25.0%	0	N/A%	0	N/A%
count	0	N/A%	0	0.0%	1	25.0%	0	N/A%	0	N/A%
strtr	0	N/A%	0	0.0%	2	50.0%	0	N/A%	0	N/A%
strtolower	0	N/A%	0	0.0%	3	75.0%	0	N/A%	0	N/A%