XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Query\Query::__construct	Run #51ec3c5ab9ae4	Run #51ec3b81ad265	Diff	Diff%
Number of Function Calls	19	19	0	0.0%
Incl. Wall Time (microsec)	315	305	-10	-3.2%
Incl. Wall Time (microsec) per call	17	16	-1	-3.2%
Excl. Wall Time (microsec)	175	172	-3	-1.7%
Incl. CPU (microsecs)	339	328	-11	-3.2%
Incl. CPU (microsecs) per call	18	17	-1	-3.2%
Excl. CPU (microsec)	161	155	-6	-3.7%
Incl. MemUse (bytes)	10,448	10,448	0	0.0%
Incl. MemUse (bytes) per call	550	550	0	0.0%
Excl. MemUse (bytes)	6,112	6,112	0	0.0%
Incl. PeakMemUse (bytes)	10,352	10,352	0	0.0%
Incl. PeakMemUse (bytes) per call	545	545	0	0.0%
Excl. PeakMemUse (bytes)	6,512	6,512	0	0.0%

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\Query::__construct	0	N/A%	-10	-2.7%	-11	-1.0%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-3	-30.0%	-6	-54.5%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Database\Query\Select::__construct	0	N/A%	-9	-90.0%	-6	-54.5%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Update::__construct	0	N/A%	-1	-10.0%	-2	-18.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Merge::__construct	0	N/A%	1	10.0%	1	9.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Insert::__construct	0	N/A%	-1	-10.0%	-1	-9.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Delete::__construct	0	N/A%	0	0.0%	-3	-27.3%	0	N/A%	0	N/A%
*Child functions*
uniqid	0	N/A%	-8	-80.0%	-2	-18.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::getTarget	0	N/A%	1	10.0%	1	9.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::getKey	0	N/A%	0	0.0%	-4	-36.4%	0	N/A%	0	N/A%