XHProf: Hierarchical Profiler Report

Diff Report: Run #51f5bbaa8fc1d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for function_exists

function_exists	Run #51f5bbaa8fc1d	Run #51f5bb078e5a7	Diff	Diff%
Number of Function Calls	618	546	-72	-11.7%
Incl. Wall Time (microsec)	624	568	-56	-9.0%
Incl. Wall Time (microsec) per call	1	1	0	3.0%
Excl. Wall Time (microsec)	624	568	-56	-9.0%
Incl. CPU (microsecs)	1,022	949	-73	-7.1%
Incl. CPU (microsecs) per call	2	2	0	5.1%
Excl. CPU (microsec)	1,022	949	-73	-7.1%
Incl. MemUse (bytes)	15,768	15,760	-8	-0.1%
Incl. MemUse (bytes) per call	26	29	3	13.1%
Excl. MemUse (bytes)	15,768	15,760	-8	-0.1%
Incl. PeakMemUse (bytes)	5,984	5,600	-384	-6.4%
Incl. PeakMemUse (bytes) per call	10	10	1	5.9%
Excl. PeakMemUse (bytes)	5,984	5,600	-384	-6.4%

Parent/Child Regression/Improvement report for function_exists [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*
function_exists	-72	-100.0%	-56	-1.2%	-73	-1.7%	-8	-0.0%	-384	-0.7%
Exclusive Metrics Diff for Current Function			-56	-100.0%	-73	-100.0%	-8	-100.0%	-384	-100.0%
*Parent functions*
Drupal\Core\Extension\ModuleHandler::alter	-66	-91.7%	-66	-117.9%	-108	-147.9%	0	0.0%	-408	-106.2%
theme@4	0	0.0%	10	17.9%	29	39.7%	0	0.0%	-80	-20.8%
Drupal\Core\Extension\CachedModuleHandler::getImplementationInfo	-6	-8.3%	-9	-16.1%	-17	-23.3%	-8	-100.0%	-56	-14.6%
theme@2	0	0.0%	6	10.7%	11	15.1%	0	0.0%	-80	-20.8%
theme@3	0	0.0%	4	7.1%	5	6.8%	0	0.0%	144	37.5%
Drupal\Component\Uuid\Uuid::determinePlugin	0	0.0%	-1	-1.8%	-1	-1.4%	0	0.0%	0	0.0%
Drupal\Component\Utility\Unicode::check	0	0.0%	-1	-1.8%	-2	-2.7%	0	0.0%	0	0.0%
theme	0	0.0%	1	1.8%	5	6.8%	0	0.0%	48	12.5%
run_init::Extension/Core.php	0	0.0%	0	0.0%	-1	-1.4%	0	0.0%	0	0.0%
rdf_get_namespaces	0	0.0%	0	0.0%	-1	-1.4%	0	0.0%	0	0.0%
_form_builder_handle_input_element	0	0.0%	0	0.0%	-1	-1.4%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Response::send	0	0.0%	0	0.0%	1	1.4%	0	0.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::alter@1	0	0.0%	0	0.0%	1	1.4%	0	0.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::invokeAll	0	0.0%	0	0.0%	-2	-2.7%	0	0.0%	0	0.0%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	0	0.0%	-1	-1.4%	0	0.0%	0	0.0%
_drupal_theme_initialize	0	0.0%	0	0.0%	5	6.8%	0	0.0%	0	0.0%
theme@1	0	0.0%	0	0.0%	4	5.5%	0	0.0%	48	12.5%
Drupal\Core\Extension\ModuleHandler::implementsHook	0	0.0%	0	0.0%	-1	-1.4%	0	0.0%	0	0.0%
format_plural	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
drupal_get_filename	0	0.0%	0	0.0%	1	1.4%	0	0.0%	0	0.0%