XHProf: Hierarchical Profiler Report

Diff Report: Run #530ef14e56c65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ef2275628d: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Query\Merge::execute

Drupal\Core\Database\Query\Merge::execute	Run #530ef14e56c65	Run #530ef2275628d	Diff	Diff%
Number of Function Calls	16	16	0	0.0%
Incl. Wall Time (microsec)	37,697	38,163	466	1.2%
Incl. Wall Time (microsec) per call	2,356	2,385	29	1.2%
Excl. Wall Time (microsec)	757	726	-31	-4.1%
Incl. CPU (microsecs)	18,249	18,333	84	0.5%
Incl. CPU (microsecs) per call	1,141	1,146	5	0.5%
Excl. CPU (microsec)	580	564	-16	-2.8%
Incl. MemUse (bytes)	532,232	532,168	-64	-0.0%
Incl. MemUse (bytes) per call	33,265	33,261	-4	-0.0%
Excl. MemUse (bytes)	-200,736	-200,736	0	0.0%
Incl. PeakMemUse (bytes)	1,310,616	1,316,416	5,800	0.4%
Incl. PeakMemUse (bytes) per call	81,914	82,276	363	0.4%
Excl. PeakMemUse (bytes)	4,312	4,296	-16	-0.4%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Merge::execute [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\Database\Query\Merge::execute	0	N/A%	466	6.6%	84	1.1%	-64	-0.2%	5,800	20.2%
Exclusive Metrics Diff for Current Function			-31	-6.7%	-16	-19.0%	0	0.0%	-16	-0.3%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::deleteTags	0	N/A%	332	71.2%	153	182.1%	8	12.5%	8	0.1%
Drupal\Core\Cache\DatabaseBackend::doSet	0	N/A%	70	15.0%	-27	-32.1%	-72	-112.5%	5,792	99.9%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::setWithExpire	0	N/A%	64	13.7%	-42	-50.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Query\Update::execute	0	N/A%	673	144.4%	-37	-44.0%	0	0.0%	312	5.4%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	-325	-69.7%	4	4.8%	0	0.0%	944	16.3%
Drupal\Core\Database\Query\Select::execute	0	N/A%	113	24.2%	103	122.6%	-8	-12.5%	2,240	38.6%
Drupal\Core\Database\Connection::update	0	N/A%	34	7.3%	30	35.7%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::select	0	N/A%	13	2.8%	19	22.6%	16	25.0%	1,576	27.2%
Drupal\Core\Database\Connection::insert	0	N/A%	-11	-2.4%	-8	-9.5%	-72	-112.5%	120	2.1%
Drupal\Core\Database\Statement::fetchField	0	N/A%	-6	-1.3%	-5	-6.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::condition	0	N/A%	5	1.1%	6	7.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Insert::fields	0	N/A%	-3	-0.6%	-6	-7.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::condition	0	N/A%	3	0.6%	-3	-3.6%	0	0.0%	176	3.0%
count	0	N/A%	2	0.4%	-4	-4.8%	0	0.0%	48	0.8%
Drupal\Core\Database\Query\Update::expression	0	N/A%	-1	-0.2%	-4	-4.8%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::fields	0	N/A%	0	0.0%	1	1.2%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::addExpression	0	N/A%	0	0.0%	4	4.8%	0	0.0%	400	6.9%