XHProf: Hierarchical Profiler Report

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

Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setSaveHandler	Run #53923e49d2b58	Run #53923d861ff11	Diff	Diff%
Number of Function Calls	2	2	0	0.0%
Incl. Wall Time (microsec)	188	185	-3	-1.6%
Incl. Wall Time (microsec) per call	94	93	-2	-1.6%
Excl. Wall Time (microsec)	60	57	-3	-5.0%
Incl. CPU (microsecs)	192	198	6	3.1%
Incl. CPU (microsecs) per call	96	99	3	3.1%
Excl. CPU (microsec)	46	53	7	15.2%
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%