XHProf: Hierarchical Profiler Report

Diff Report: Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Extension\ExtensionDiscovery::scanDirectory

Drupal\Core\Extension\ExtensionDiscovery::scanDirectory	Run #53195bb0cc668	Run #53195a48b6f09	Diff	Diff%
Number of Function Calls	4	4	0	0.0%
Incl. Wall Time (microsec)	43,012	42,407	-605	-1.4%
Incl. Wall Time (microsec) per call	10,753	10,602	-151	-1.4%
Excl. Wall Time (microsec)	5,112	5,091	-21	-0.4%
Incl. CPU (microsecs)	43,016	42,409	-607	-1.4%
Incl. CPU (microsecs) per call	10,754	10,602	-152	-1.4%
Excl. CPU (microsec)	3,418	3,389	-29	-0.8%
Incl. MemUse (bytes)	334,992	335,040	48	0.0%
Incl. MemUse (bytes) per call	83,748	83,760	12	0.0%
Excl. MemUse (bytes)	-871,928	-871,904	24	0.0%
Incl. PeakMemUse (bytes)	332,040	332,616	576	0.2%
Incl. PeakMemUse (bytes) per call	83,010	83,154	144	0.2%
Excl. PeakMemUse (bytes)	13,448	13,648	200	1.5%

Parent/Child Regression/Improvement report for Drupal\Core\Extension\ExtensionDiscovery::scanDirectory [View Callgraph Diff]

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*
Drupal\Core\Extension\ExtensionDiscovery::scanDirectory	0	N/A%	-605	-17.6%	-607	-17.4%	48	0.0%	576	0.2%
Exclusive Metrics Diff for Current Function			-21	-3.5%	-29	-4.8%	24	50.0%	200	34.7%
*Parent function*
Drupal\Core\Extension\ExtensionDiscovery::scan	0	N/A%	-605	-100.0%	-607	-100.0%	48	100.0%	576	100.0%
*Child functions*
FilterIterator::rewind	0	N/A%	-277	-45.8%	-258	-42.5%	0	0.0%	-64	-11.1%
FilterIterator::next	0	N/A%	-275	-45.5%	-284	-46.8%	0	0.0%	-48	-8.3%
SplFileInfo::openFile	0	N/A%	-76	-12.6%	-72	-11.9%	0	0.0%	40	6.9%
Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator::getChildren	0	N/A%	62	10.2%	60	9.9%	24	50.0%	384	66.7%
Drupal\Core\Extension\Extension::setSplFileInfo	0	N/A%	-22	-3.6%	-15	-2.5%	0	0.0%	0	0.0%
Drupal\Core\Extension\Extension::__construct	0	N/A%	10	1.7%	9	1.5%	0	0.0%	0	0.0%
FilterIterator::key	0	N/A%	6	1.0%	9	1.5%	0	0.0%	0	0.0%
preg_match	0	N/A%	5	0.8%	-8	-1.3%	0	0.0%	0	0.0%
SplFileObject::fgets	0	N/A%	4	0.7%	2	0.3%	0	0.0%	0	0.0%
FilterIterator::valid	0	N/A%	-4	-0.7%	-17	-2.8%	0	0.0%	0	0.0%
spl_autoload_call	0	N/A%	-4	-0.7%	-5	-0.8%	0	0.0%	0	0.0%
RecursiveFilterIterator::hasChildren	0	N/A%	-4	-0.7%	-42	-6.9%	0	0.0%	64	11.1%
Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator::acceptTests	0	N/A%	-4	-0.7%	0	0.0%	0	0.0%	0	0.0%
SplFileObject::eof	0	N/A%	-3	-0.5%	7	1.2%	0	0.0%	0	0.0%
RecursiveDirectoryIterator::__construct	0	N/A%	-2	-0.3%	-5	-0.8%	0	0.0%	0	0.0%
FilterIterator::current	0	N/A%	-1	-0.2%	16	2.6%	0	0.0%	0	0.0%
is_dir	0	N/A%	1	0.2%	5	0.8%	0	0.0%	0	0.0%
DirectoryIterator::getFilename	0	N/A%	0	0.0%	1	0.2%	0	0.0%	0	0.0%
RecursiveFilterIterator::__construct	0	N/A%	0	0.0%	-2	-0.3%	0	0.0%	0	0.0%
RecursiveIteratorIterator::__construct	0	N/A%	0	0.0%	-3	-0.5%	0	0.0%	0	0.0%
DirectoryIterator::getBasename	0	N/A%	0	0.0%	25	4.1%	0	0.0%	0	0.0%
RecursiveDirectoryIterator::getSubPathname	0	N/A%	0	0.0%	-1	-0.2%	0	0.0%	0	0.0%