XHProf: Hierarchical Profiler Report

Diff Report: Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for dirname

dirname	Run #531ccb2cb8e3d	Run #531ccbd4518b6	Diff	Diff%
Number of Function Calls	256	256	0	0.0%
Incl. Wall Time (microsec)	14	12	-2	-14.3%
Incl. Wall Time (microsec) per call	0	0	-0	-14.3%
Excl. Wall Time (microsec)	14	12	-2	-14.3%
Incl. CPU (microsecs)	267	246	-21	-7.9%
Incl. CPU (microsecs) per call	1	1	-0	-7.9%
Excl. CPU (microsec)	267	246	-21	-7.9%
Incl. MemUse (bytes)	28,976	28,960	-16	-0.1%
Incl. MemUse (bytes) per call	113	113	-0	-0.1%
Excl. MemUse (bytes)	28,976	28,960	-16	-0.1%
Incl. PeakMemUse (bytes)	6,472	6,720	248	3.8%
Incl. PeakMemUse (bytes) per call	25	26	1	3.8%
Excl. PeakMemUse (bytes)	6,472	6,720	248	3.8%

Parent/Child Regression/Improvement report for dirname [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*
dirname	0	N/A%	-2	-2.0%	-21	-8.0%	-16	-0.0%	248	0.6%
Exclusive Metrics Diff for Current Function			-2	-100.0%	-21	-100.0%	-16	-100.0%	248	100.0%
*Parent functions*
drupal_get_path	0	N/A%	-1	-50.0%	12	57.1%	0	0.0%	96	38.7%
_drupal_theme_initialize	0	N/A%	-1	-50.0%	0	0.0%	0	0.0%	0	0.0%
run_init::composer/autoload_psr4.php	0	N/A%	-1	-50.0%	-4	-19.0%	0	0.0%	0	0.0%
Drupal\Core\Template\TwigEnvironment::__construct	0	N/A%	1	50.0%	-15	-71.4%	0	0.0%	152	61.3%
system_register	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Extension\Extension::unserialize	0	N/A%	0	0.0%	-2	-9.5%	0	0.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::getModuleDirectories	0	N/A%	0	0.0%	-11	-52.4%	0	0.0%	0	0.0%
twig_init	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
theme_get_setting	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::prepareBaseUrl	0	N/A%	0	0.0%	1	4.8%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::getModuleNamespaces	0	N/A%	0	0.0%	-1	-4.8%	0	0.0%	0	0.0%
run_init::composer/autoload_classmap.php	0	N/A%	0	0.0%	-1	-4.8%	0	0.0%	0	0.0%
run_init::composer/autoload_namespaces.php	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
run_init::composer/include_paths.php	0	N/A%	0	0.0%	1	4.8%	0	0.0%	0	0.0%
run_init::composer/autoload_files.php	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
run_init::includes/bootstrap.inc	0	N/A%	0	0.0%	-1	-4.8%	0	0.0%	0	0.0%
_drupal_request_initialize	0	N/A%	0	0.0%	-1	-4.8%	-16	-100.0%	0	0.0%
request_path	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
ComposerAutoloaderInitDrupal8::getLoader	0	N/A%	0	0.0%	1	4.8%	0	0.0%	0	0.0%