XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::getMultiple@1	Run #51ec491641923	Run #51ec485525502	Diff	Diff%
Number of Function Calls	4	4	0	0.0%
Incl. Wall Time (microsec)	2,087	1,714	-373	-17.9%
Incl. Wall Time (microsec) per call	522	429	-93	-17.9%
Excl. Wall Time (microsec)	177	169	-8	-4.5%
Incl. CPU (microsecs)	1,629	1,448	-181	-11.1%
Incl. CPU (microsecs) per call	407	362	-45	-11.1%
Excl. CPU (microsec)	161	156	-5	-3.1%
Incl. MemUse (bytes)	117,896	117,896	0	0.0%
Incl. MemUse (bytes) per call	29,474	29,474	0	0.0%
Excl. MemUse (bytes)	304	304	0	0.0%
Incl. PeakMemUse (bytes)	151,512	151,264	-248	-0.2%
Incl. PeakMemUse (bytes) per call	37,878	37,816	-62	-0.2%
Excl. PeakMemUse (bytes)	21,240	21,240	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\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-373	-24.1%	-181	-10.3%	0	0.0%	-248	-0.2%
Exclusive Metrics Diff for Current Function			-8	-2.1%	-5	-2.8%	0	N/A%	0	0.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::get@1	0	N/A%	-282	-75.6%	-155	-85.6%	0	N/A%	-248	-100.0%
Drupal\Core\Config\CachedStorage::readMultiple	0	N/A%	-91	-24.4%	-26	-14.4%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	-325	-87.1%	-134	-74.0%	0	N/A%	-128	-51.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	-43	-11.5%	-44	-24.3%	0	N/A%	-120	-48.4%
array_diff	0	N/A%	2	0.5%	-1	-0.6%	0	N/A%	0	0.0%
array_keys	0	N/A%	1	0.3%	-2	-1.1%	0	N/A%	0	0.0%
Drupal\Core\Database\Connection::escapeTable	0	N/A%	0	0.0%	5	2.8%	0	N/A%	0	0.0%