XHProf: Hierarchical Profiler Report

Diff Report: Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::getMultiple	Run #51af435181b2e	Run #51af3d98520b7	Diff	Diff%
Number of Function Calls	47	47	0	0.0%
Incl. Wall Time (microsec)	37,825	37,822	-3	-0.0%
Incl. Wall Time (microsec) per call	805	805	-0	-0.0%
Excl. Wall Time (microsec)	1,397	1,388	-9	-0.6%
Incl. CPU (microsecs)	28,105	28,285	180	0.6%
Incl. CPU (microsecs) per call	598	602	4	0.6%
Excl. CPU (microsec)	1,225	1,209	-16	-1.3%
Incl. MemUse (bytes)	2,105,472	2,104,800	-672	-0.0%
Incl. MemUse (bytes) per call	44,797	44,783	-14	-0.0%
Excl. MemUse (bytes)	-124,176	-124,304	-128	-0.1%
Incl. PeakMemUse (bytes)	2,285,344	2,284,760	-584	-0.0%
Incl. PeakMemUse (bytes) per call	48,624	48,612	-12	-0.0%
Excl. PeakMemUse (bytes)	77,112	77,152	40	0.1%

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%	-3	-0.4%	180	18.9%	-672	-1.0%	-584	-0.9%
Exclusive Metrics Diff for Current Function			-9	-300.0%	-16	-8.9%	-128	-19.0%	40	6.8%
*Parent functions*
field_attach_load	0	N/A%	-25	-833.3%	6	3.3%	0	0.0%	72	12.3%
Drupal\Core\Cache\DatabaseBackend::get	0	N/A%	22	733.3%	174	96.7%	-672	-100.0%	-656	-112.3%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	193	6433.3%	-46	-25.6%	56	8.3%	168	28.8%
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-177	-5900.0%	241	133.9%	-600	-89.3%	-792	-135.6%
array_diff	0	N/A%	-7	-233.3%	-6	-3.3%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::escapeTable	0	N/A%	-4	-133.3%	4	2.2%	0	0.0%	0	0.0%
array_keys	0	N/A%	1	33.3%	3	1.7%	0	0.0%	0	0.0%