XHProf: Hierarchical Profiler Report

Diff Report: Run #51ad0610ca11a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad06ef28a53: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::get	Run #51ad0610ca11a	Run #51ad06ef28a53	Diff	Diff%
Number of Function Calls	31	31	0	0.0%
Incl. Wall Time (microsec)	379	375	-4	-1.1%
Incl. Wall Time (microsec) per call	12	12	-0	-1.1%
Excl. Wall Time (microsec)	322	318	-4	-1.2%
Incl. CPU (microsecs)	416	410	-6	-1.4%
Incl. CPU (microsecs) per call	13	13	-0	-1.4%
Excl. CPU (microsec)	235	242	7	3.0%
Incl. MemUse (bytes)	9,072	9,072	0	0.0%
Incl. MemUse (bytes) per call	293	293	0	0.0%
Excl. MemUse (bytes)	3,832	3,832	0	0.0%
Incl. PeakMemUse (bytes)	3,992	4,032	40	1.0%
Incl. PeakMemUse (bytes) per call	129	130	1	1.0%
Excl. PeakMemUse (bytes)	2,496	2,536	40	1.6%

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%	-4	-0.1%	-6	-0.2%	0	0.0%	40	0.0%
Exclusive Metrics Diff for Current Function			-4	-100.0%	7	116.7%	0	N/A%	40	100.0%
*Parent functions*
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	-3	-75.0%	-3	-50.0%	0	N/A%	40	100.0%
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	-2	-50.0%	-3	-50.0%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	1	25.0%	0	0.0%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	0	0.0%	0	0.0%	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%	-2	-50.0%	-11	-183.3%	0	N/A%	0	0.0%
count	0	N/A%	2	50.0%	2	33.3%	0	N/A%	0	0.0%
strtr	0	N/A%	0	0.0%	-7	-116.7%	0	N/A%	0	0.0%
array_key_exists	0	N/A%	0	0.0%	3	50.0%	0	N/A%	0	0.0%