XHProf: Hierarchical Profiler Report

Diff Report: Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for drupal_render

drupal_render	Run #53923e49d2b58	Run #53923d861ff11	Diff	Diff%
Number of Function Calls	8	8	0	0.0%
Incl. Wall Time (microsec)	743,882	746,777	2,895	0.4%
Incl. Wall Time (microsec) per call	92,985	93,347	362	0.4%
Excl. Wall Time (microsec)	327	330	3	0.9%
Incl. CPU (microsecs)	690,858	693,246	2,388	0.3%
Incl. CPU (microsecs) per call	86,357	86,656	299	0.3%
Excl. CPU (microsec)	285	282	-3	-1.1%
Incl. MemUse (bytes)	7,870,444	7,870,304	-140	-0.0%
Incl. MemUse (bytes) per call	983,806	983,788	-18	-0.0%
Excl. MemUse (bytes)	85,456	85,404	-52	-0.1%
Incl. PeakMemUse (bytes)	7,973,868	7,974,928	1,060	0.0%
Incl. PeakMemUse (bytes) per call	996,734	996,866	133	0.0%
Excl. PeakMemUse (bytes)	32,816	32,744	-72	-0.2%

Parent/Child Regression/Improvement report for drupal_render [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_render	0	N/A%	2,895	184.9%	2,388	218.7%	-140	-16.1%	1,060	152.3%
Exclusive Metrics Diff for Current Function			3	0.1%	-3	-0.1%	-52	-37.1%	-72	-6.8%
*Parent functions*
Drupal\Core\Controller\HtmlControllerBase::drupalRender	0	N/A%	2,388	82.5%	1,566	65.6%	364	260.0%	1,384	130.6%
Drupal\Core\Page\DefaultHtmlFragmentRenderer::render	0	N/A%	648	22.4%	1,074	45.0%	-1,936	-1382.9%	-1,228	-115.8%
Drupal\Core\Page\DefaultHtmlPageRenderer::render	0	N/A%	-182	-6.3%	-246	-10.3%	-144	-102.9%	-924	-87.2%
_drupal_theme_initialize	0	N/A%	27	0.9%	25	1.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\Controller\EntityViewController::view	0	N/A%	14	0.5%	-31	-1.3%	1,576	1125.7%	1,828	172.5%
*Child functions*
_theme	0	N/A%	2,203	76.1%	1,817	76.1%	-432	-308.6%	116	10.9%
drupal_render@1	0	N/A%	1,387	47.9%	888	37.2%	320	228.6%	11,948	1127.2%
drupal_render_collect_post_render_cache	0	N/A%	-918	-31.7%	-822	-34.4%	0	0.0%	0	0.0%
_drupal_render_process_post_render_cache	0	N/A%	405	14.0%	401	16.8%	24	17.1%	-10,472	-987.9%
drupal_process_attached	0	N/A%	-149	-5.1%	138	5.8%	-4	-2.9%	-456	-43.0%
drupal_render_collect_cache_tags	0	N/A%	-55	-1.9%	-51	-2.1%	8	5.7%	0	0.0%
call_user_func@1	0	N/A%	14	0.5%	14	0.6%	0	0.0%	0	0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	11	0.4%	13	0.5%	0	0.0%	0	0.0%
element_info	0	N/A%	-4	-0.1%	-5	-0.2%	0	0.0%	0	0.0%
Drupal\Core\Render\Element::children	0	N/A%	-4	-0.1%	-4	-0.2%	-4	-2.9%	-4	-0.4%
drupal_render_cache_get	0	N/A%	3	0.1%	3	0.1%	0	0.0%	0	0.0%
drupal_render_cache_set	0	N/A%	-1	-0.0%	-2	-0.1%	0	0.0%	0	0.0%
is_string	0	N/A%	0	0.0%	1	0.0%	0	0.0%	0	0.0%