XHProf: Hierarchical Profiler Report

Diff Report: Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0ad3d3949: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::getMultiple	Run #519c0a514701f	Run #519c0ad3d3949	Diff	Diff%
Number of Function Calls	77	77	0	0.0%
Incl. Wall Time (microsec)	78,623	76,737	-1,886	-2.4%
Incl. Wall Time (microsec) per call	1,021	997	-24	-2.4%
Excl. Wall Time (microsec)	3,998	3,849	-149	-3.7%
Incl. CPU (microsecs)	45,932	45,554	-378	-0.8%
Incl. CPU (microsecs) per call	597	592	-5	-0.8%
Excl. CPU (microsec)	3,637	3,508	-129	-3.5%
Incl. MemUse (bytes)	1,213,424	1,213,420	-4	-0.0%
Incl. MemUse (bytes) per call	15,759	15,759	-0	-0.0%
Excl. MemUse (bytes)	168,928	168,924	-4	-0.0%
Incl. PeakMemUse (bytes)	1,543,976	1,543,696	-280	-0.0%
Incl. PeakMemUse (bytes) per call	20,052	20,048	-4	-0.0%
Excl. PeakMemUse (bytes)	185,140	185,104	-36	-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\Cache\DatabaseBackend::getMultiple	0	N/A%	-1,886	-102.2%	-378	-10.8%	-4	-0.0%	-280	-0.1%
Exclusive Metrics Diff for Current Function			-149	-7.9%	-129	-34.1%	-4	-100.0%	-36	-12.9%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::get	0	N/A%	-1,778	-94.3%	-359	-95.0%	-4	-100.0%	-280	-100.0%
field_attach_load	0	N/A%	-108	-5.7%	-19	-5.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-1,908	-101.2%	-110	-29.1%	0	0.0%	-140	-50.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	146	7.7%	-149	-39.4%	0	0.0%	-104	-37.1%
Drupal\Core\Database\Connection::escapeTable	0	N/A%	14	0.7%	12	3.2%	0	0.0%	0	0.0%
array_keys	0	N/A%	6	0.3%	-2	-0.5%	0	0.0%	0	0.0%
array_diff	0	N/A%	5	0.3%	0	0.0%	0	0.0%	0	0.0%