XHProf: Hierarchical Profiler Report

Diff Report: Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setSaveHandler	Run #53923d861ff11	Run #53923e49d2b58	Diff	Diff%
Number of Function Calls	2	2	0	0.0%
Incl. Wall Time (microsec)	185	188	3	1.6%
Incl. Wall Time (microsec) per call	93	94	2	1.6%
Excl. Wall Time (microsec)	57	60	3	5.3%
Incl. CPU (microsecs)	198	192	-6	-3.0%
Incl. CPU (microsecs) per call	99	96	-3	-3.0%
Excl. CPU (microsec)	53	46	-7	-13.2%
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%	3	0.2%	-6	-0.5%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			3	100.0%	-7	-116.7%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Session\SessionManager::initialize	0	N/A%	3	100.0%	-5	-83.3%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::__construct	0	N/A%	0	0.0%	-1	-16.7%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy::__construct	0	N/A%	-1	-33.3%	2	33.3%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	1	33.3%	1	16.7%	0	N/A%	0	N/A%
session_set_save_handler	0	N/A%	0	0.0%	-3	-50.0%	0	N/A%	0	N/A%
version_compare	0	N/A%	0	0.0%	1	16.7%	0	N/A%	0	N/A%
phpversion	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%