XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for theme

theme	Run #51ec517fc2424	Run #51ec52a09990a	Diff	Diff%
Number of Function Calls	4	4	0	0.0%
Incl. Wall Time (microsec)	715,074	719,437	4,363	0.6%
Incl. Wall Time (microsec) per call	178,769	179,859	1,091	0.6%
Excl. Wall Time (microsec)	316	399	83	26.3%
Incl. CPU (microsecs)	707,840	712,038	4,198	0.6%
Incl. CPU (microsecs) per call	176,960	178,010	1,050	0.6%
Excl. CPU (microsec)	253	322	69	27.3%
Incl. MemUse (bytes)	5,694,680	5,717,048	22,368	0.4%
Incl. MemUse (bytes) per call	1,423,670	1,429,262	5,592	0.4%
Excl. MemUse (bytes)	-85,656	-111,440	-25,784	-30.1%
Incl. PeakMemUse (bytes)	6,744,432	6,819,496	75,064	1.1%
Incl. PeakMemUse (bytes) per call	1,686,108	1,704,874	18,766	1.1%
Excl. PeakMemUse (bytes)	4,336	3,664	-672	-15.5%

Parent/Child Regression/Improvement report for theme [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*
theme	0	0.0%	4,363	106.8%	4,198	98.5%	22,368	101.6%	75,064	326.5%
Exclusive Metrics Diff for Current Function			83	1.9%	69	1.6%	-25,784	-115.3%	-672	-0.9%
*Parent functions*
drupal_render	0	N/A%	4,370	100.2%	4,206	100.2%	22,368	100.0%	75,064	100.0%
Drupal\system\Plugin\Block\SystemPoweredByBlock::build	0	N/A%	-7	-0.2%	-8	-0.2%	0	0.0%	0	0.0%
*Child functions*
theme_node_preview	-1	-9.1%	-608,410	-13944.8%	-605,108	-14414.2%	-3,403,776	-15217.2%	-4,041,792	-5384.5%
template_preprocess_node_preview	1	9.1%	437,273	10022.3%	435,151	10365.7%	1,863,480	8331.0%	2,493,696	3322.1%
twig_render_template	1	9.1%	174,746	4005.2%	173,165	4124.9%	1,553,120	6943.5%	1,621,696	2160.4%
template_preprocess	1	9.1%	431	9.9%	431	10.3%	20,304	90.8%	4,344	5.8%
shortcut_preprocess_page	0	0.0%	396	9.1%	391	9.3%	-8	-0.0%	-120	-0.2%
template_preprocess_html	0	0.0%	-270	-6.2%	13	0.3%	2,208	9.9%	-1,576	-2.1%
theme_get_registry	0	0.0%	199	4.6%	35	0.8%	896	4.0%	992	1.3%
template_preprocess_page	0	0.0%	-158	-3.6%	-61	-1.5%	40	0.2%	-96	-0.1%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	1	9.1%	45	1.0%	47	1.1%	9,408	42.1%	0	0.0%
color_preprocess_page	0	0.0%	15	0.3%	34	0.8%	-8	-0.0%	-56	-0.1%
rdf_preprocess_html	0	0.0%	-14	-0.3%	-12	-0.3%	8	0.0%	0	0.0%
theme_system_powered_by	0	0.0%	-8	-0.2%	-6	-0.1%	0	0.0%	0	0.0%
contextual_preprocess	1	9.1%	8	0.2%	11	0.3%	2,168	9.7%	-552	-0.7%
views_preprocess_html	0	0.0%	8	0.2%	8	0.2%	0	0.0%	0	0.0%
tour_preprocess_page	0	0.0%	5	0.1%	14	0.3%	-8	-0.0%	-40	-0.1%
Drupal\Core\Template\Attribute::__construct	1	9.1%	3	0.1%	3	0.1%	32	0.1%	0	0.0%
Drupal\Core\Template\Attribute::__clone	3	27.3%	3	0.1%	3	0.1%	200	0.9%	-472	-0.6%
function_exists	2	18.2%	3	0.1%	1	0.0%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::offsetExists	0	0.0%	2	0.0%	-1	-0.0%	0	0.0%	0	0.0%
Drupal::moduleHandler	0	0.0%	2	0.0%	2	0.0%	0	0.0%	0	0.0%
overlay_preprocess_page	0	0.0%	1	0.0%	1	0.0%	0	0.0%	0	0.0%
array_reverse	1	9.1%	1	0.0%	2	0.0%	88	0.4%	-288	-0.4%
overlay_preprocess_html	0	0.0%	-1	-0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Extension\ModuleHandler::isLoaded	0	0.0%	0	0.0%	3	0.1%	0	0.0%	0	0.0%
is_array	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
array_keys	0	0.0%	0	0.0%	3	0.1%	0	0.0%	0	0.0%
Drupal\Core\Utility\ThemeRegistry::offsetGet	0	0.0%	0	0.0%	-1	-0.0%	0	0.0%	0	0.0%