XHProf: Hierarchical Profiler Report

Diff Report: Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::getMultiple	Run #519fe8e1e5eca	Run #519fe7ae1f6cc	Diff	Diff%
Number of Function Calls	98	98	0	0.0%
Incl. Wall Time (microsec)	41,176	39,734	-1,442	-3.5%
Incl. Wall Time (microsec) per call	420	405	-15	-3.5%
Excl. Wall Time (microsec)	3,145	3,100	-45	-1.4%
Incl. CPU (microsecs)	25,844	25,437	-407	-1.6%
Incl. CPU (microsecs) per call	264	260	-4	-1.6%
Excl. CPU (microsec)	2,811	2,814	3	0.1%
Incl. MemUse (bytes)	999,080	999,152	72	0.0%
Incl. MemUse (bytes) per call	10,195	10,195	1	0.0%
Excl. MemUse (bytes)	-49,248	-49,248	0	0.0%
Incl. PeakMemUse (bytes)	1,378,400	1,378,368	-32	-0.0%
Incl. PeakMemUse (bytes) per call	14,065	14,065	-0	-0.0%
Excl. PeakMemUse (bytes)	130,872	130,928	56	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%	-1,442	-526.3%	-407	-156.5%	72	450.0%	-32	-50.0%
Exclusive Metrics Diff for Current Function			-45	-3.1%	3	0.7%	0	0.0%	56	175.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::get	0	N/A%	-1,498	-103.9%	-401	-98.5%	72	100.0%	-32	-100.0%
field_attach_load	0	N/A%	56	3.9%	-6	-1.5%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-1,235	-85.6%	-200	-49.1%	0	0.0%	64	200.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-148	-10.3%	-176	-43.2%	72	100.0%	-152	-475.0%
array_diff	0	N/A%	-7	-0.5%	-11	-2.7%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::escapeTable	0	N/A%	-6	-0.4%	-15	-3.7%	0	0.0%	0	0.0%
array_keys	0	N/A%	-1	-0.1%	-8	-2.0%	0	0.0%	0	0.0%