XHProf: Hierarchical Profiler Report

Diff Report: Run #519afa8ec2e5c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519afb4e24ae7: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::get	Run #519afa8ec2e5c	Run #519afb4e24ae7	Diff	Diff%
Number of Function Calls	12	12	0	0.0%
Incl. Wall Time (microsec)	268	226	-42	-15.7%
Incl. Wall Time (microsec) per call	22	19	-4	-15.7%
Excl. Wall Time (microsec)	192	161	-31	-16.1%
Incl. CPU (microsecs)	283	245	-38	-13.4%
Incl. CPU (microsecs) per call	24	20	-3	-13.4%
Excl. CPU (microsec)	168	131	-37	-22.0%
Incl. MemUse (bytes)	9,072	9,072	0	0.0%
Incl. MemUse (bytes) per call	756	756	0	0.0%
Excl. MemUse (bytes)	5,040	5,040	0	0.0%
Incl. PeakMemUse (bytes)	4,960	4,960	0	0.0%
Incl. PeakMemUse (bytes) per call	413	413	0	0.0%
Excl. PeakMemUse (bytes)	3,328	3,328	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%	-42	-4.4%	-38	-2.6%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-31	-73.8%	-37	-97.4%	0	N/A%	0	N/A%
*Parent functions*
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	-26	-61.9%	-26	-68.4%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	-16	-38.1%	-14	-36.8%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	1	2.4%	3	7.9%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::createFromGlobals	0	N/A%	-1	-2.4%	-2	-5.3%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	0	0.0%	1	2.6%	0	N/A%	0	N/A%
*Child functions*
strtr	0	N/A%	-5	-11.9%	-1	-2.6%	0	N/A%	0	N/A%
strtolower	0	N/A%	-4	-9.5%	-4	-10.5%	0	N/A%	0	N/A%
array_key_exists	0	N/A%	-2	-4.8%	3	7.9%	0	N/A%	0	N/A%
count	0	N/A%	0	0.0%	1	2.6%	0	N/A%	0	N/A%