XHProf: Hierarchical Profiler Report

Diff Report: Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setSaveHandler	Run #53920b950c201	Run #53920bd97d62d	Diff	Diff%
Number of Function Calls	2	2	0	0.0%
Incl. Wall Time (microsec)	191	189	-2	-1.0%
Incl. Wall Time (microsec) per call	96	95	-1	-1.0%
Excl. Wall Time (microsec)	61	60	-1	-1.6%
Incl. CPU (microsecs)	197	193	-4	-2.0%
Incl. CPU (microsecs) per call	99	97	-2	-2.0%
Excl. CPU (microsec)	46	48	2	4.3%
Incl. MemUse (bytes)	17,620	17,620	0	0.0%
Incl. MemUse (bytes) per call	8,810	8,810	0	0.0%
Excl. MemUse (bytes)	1,864	1,864	0	0.0%
Incl. PeakMemUse (bytes)	14,316	14,316	0	0.0%
Incl. PeakMemUse (bytes) per call	7,158	7,158	0	0.0%
Excl. PeakMemUse (bytes)	2,224	2,224	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\Session\Storage\NativeSessionStorage::setSaveHandler	0	N/A%	-2	-0.4%	-4	-0.9%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-1	-50.0%	2	50.0%	0	N/A%	0	N/A%
*Parent functions*
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::__construct	0	N/A%	-2	-100.0%	-3	-75.0%	0	N/A%	0	N/A%
Drupal\Core\Session\SessionManager::initialize	0	N/A%	0	0.0%	-1	-25.0%	0	N/A%	0	N/A%
*Child functions*
version_compare	0	N/A%	-1	-50.0%	-2	-50.0%	0	N/A%	0	N/A%
session_set_save_handler	0	N/A%	0	0.0%	1	25.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::__construct	0	N/A%	0	0.0%	-3	-75.0%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	0	0.0%	-1	-25.0%	0	N/A%	0	N/A%
phpversion	0	N/A%	0	0.0%	-1	-25.0%	0	N/A%	0	N/A%