XHProf: Hierarchical Profiler Report

Diff Report: Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

file_exists	Run #519eb880e5974	Run #519eb7a1537f7	Diff	Diff%
Number of Function Calls	426	412	-14	-3.3%
Incl. Wall Time (microsec)	3,254	3,206	-48	-1.5%
Incl. Wall Time (microsec) per call	8	8	0	1.9%
Excl. Wall Time (microsec)	3,254	3,206	-48	-1.5%
Incl. CPU (microsecs)	3,692	3,626	-66	-1.8%
Incl. CPU (microsecs) per call	9	9	0	1.5%
Excl. CPU (microsec)	3,692	3,626	-66	-1.8%
Incl. MemUse (bytes)	3,964	3,528	-436	-11.0%
Incl. MemUse (bytes) per call	9	9	-1	-8.0%
Excl. MemUse (bytes)	3,964	3,528	-436	-11.0%
Incl. PeakMemUse (bytes)	2,656	2,308	-348	-13.1%
Incl. PeakMemUse (bytes) per call	6	6	-1	-10.1%
Excl. PeakMemUse (bytes)	2,656	2,308	-348	-13.1%

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*
file_exists	-14	-100.0%	-48	-1.3%	-66	-64.1%	-436	-0.2%	-348	-0.2%
Exclusive Metrics Diff for Current Function			-48	-100.0%	-66	-100.0%	-436	-100.0%	-348	-100.0%
*Parent functions*
drupal_get_filename	5	35.7%	73	152.1%	82	124.2%	0	0.0%	0	0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getFullPath	-8	-57.1%	-67	-139.6%	-79	-119.7%	0	0.0%	0	0.0%
Drupal\Component\PhpStorage\MTimeProtectedFileStorage::checkFile	-8	-57.1%	-40	-83.3%	-47	-71.2%	0	0.0%	0	0.0%
Drupal\Core\Config\FileStorage::listAll	0	0.0%	-11	-22.9%	-8	-12.1%	0	0.0%	0	0.0%
Drupal\Core\SystemListing::scan	-1	-7.1%	-7	-14.6%	-9	-13.6%	-436	-100.0%	-348	-100.0%
Symfony\Component\ClassLoader\ClassLoader::findFile	-2	-14.3%	3	6.2%	-4	-6.1%	0	0.0%	0	0.0%
find_conf_path	0	0.0%	1	2.1%	-1	-1.5%	0	0.0%	0	0.0%
phptemplate_init	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
theme_get_setting	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%