XHProf: Hierarchical Profiler Report

Diff Report: Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::get	Run #519ff7de62889	Run #519ff693b4ca2	Diff	Diff%
Number of Function Calls	12	12	0	0.0%
Incl. Wall Time (microsec)	222	221	-1	-0.5%
Incl. Wall Time (microsec) per call	19	18	-0	-0.5%
Excl. Wall Time (microsec)	167	166	-1	-0.6%
Incl. CPU (microsecs)	239	242	3	1.3%
Incl. CPU (microsecs) per call	20	20	0	1.3%
Excl. CPU (microsec)	137	146	9	6.6%
Incl. MemUse (bytes)	9,072	9,072	0	0.0%
Incl. MemUse (bytes) per call	756	756	0	0.0%
Excl. MemUse (bytes)	5,048	5,048	0	0.0%
Incl. PeakMemUse (bytes)	8,800	8,768	-32	-0.4%
Incl. PeakMemUse (bytes) per call	733	731	-3	-0.4%
Excl. PeakMemUse (bytes)	6,416	6,416	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%	-1	-0.1%	3	0.3%	0	0.0%	-32	-0.0%
Exclusive Metrics Diff for Current Function			-1	-100.0%	9	300.0%	0	N/A%	0	0.0%
*Parent functions*
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	-2	-200.0%	-1	-33.3%	0	N/A%	-32	-100.0%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	1	100.0%	2	66.7%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	0	0.0%	2	66.7%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\Request::createFromGlobals	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
*Child functions*
strtolower	0	N/A%	1	100.0%	-1	-33.3%	0	N/A%	-32	-100.0%
strtr	0	N/A%	-1	-100.0%	-2	-66.7%	0	N/A%	0	0.0%
count	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
array_key_exists	0	N/A%	0	0.0%	-3	-100.0%	0	N/A%	0	0.0%