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\Cache\DatabaseBackend::getMultiple	Run #51ec3c5ab9ae4	Run #51ec3b81ad265	Diff	Diff%
Number of Function Calls	76	76	0	0.0%
Incl. Wall Time (microsec)	29,940	31,311	1,371	4.6%
Incl. Wall Time (microsec) per call	394	412	18	4.6%
Excl. Wall Time (microsec)	2,647	2,625	-22	-0.8%
Incl. CPU (microsecs)	22,518	23,119	601	2.7%
Incl. CPU (microsecs) per call	296	304	8	2.7%
Excl. CPU (microsec)	2,402	2,364	-38	-1.6%
Incl. MemUse (bytes)	2,285,272	2,284,328	-944	-0.0%
Incl. MemUse (bytes) per call	30,069	30,057	-12	-0.0%
Excl. MemUse (bytes)	-70,072	-70,256	-184	-0.3%
Incl. PeakMemUse (bytes)	3,013,560	3,012,320	-1,240	-0.0%
Incl. PeakMemUse (bytes) per call	39,652	39,636	-16	-0.0%
Excl. PeakMemUse (bytes)	215,344	215,360	16	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%	1,371	366.6%	601	56.8%	-944	-2.5%	-1,240	-3.3%
Exclusive Metrics Diff for Current Function			-22	-1.6%	-38	-6.3%	-184	-19.5%	16	1.3%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::get	0	N/A%	1,368	99.8%	594	98.8%	-944	-100.0%	-1,352	-109.0%
Drupal\Core\Config\CachedStorage::readMultiple	0	N/A%	5	0.4%	6	1.0%	0	0.0%	0	0.0%
field_attach_load	0	N/A%	-2	-0.1%	1	0.2%	0	0.0%	112	9.0%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	1,511	110.2%	757	126.0%	-24	-2.5%	-144	-11.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-122	-8.9%	-146	-24.3%	-768	-81.4%	-1,160	-93.5%
Drupal\Core\Database\Connection::escapeTable	0	N/A%	14	1.0%	13	2.2%	32	3.4%	48	3.9%
array_keys	0	N/A%	-13	-0.9%	-1	-0.2%	0	0.0%	0	0.0%
array_diff	0	N/A%	3	0.2%	16	2.7%	0	0.0%	0	0.0%