XHProf: Hierarchical Profiler Report

Diff Report: Run #51ca54a312a65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Connection::getDriverClass	Run #51ca54a312a65	Run #51ca5414b31d9	Diff	Diff%
Number of Function Calls	10	10	0	0.0%
Incl. Wall Time (microsec)	4,399	4,472	73	1.7%
Incl. Wall Time (microsec) per call	440	447	7	1.7%
Excl. Wall Time (microsec)	87	88	1	1.1%
Incl. CPU (microsecs)	4,411	4,485	74	1.7%
Incl. CPU (microsecs) per call	441	449	7	1.7%
Excl. CPU (microsec)	85	90	5	5.9%
Incl. MemUse (bytes)	667,368	667,240	-128	-0.0%
Incl. MemUse (bytes) per call	66,737	66,724	-13	-0.0%
Excl. MemUse (bytes)	5,704	5,704	0	0.0%
Incl. PeakMemUse (bytes)	623,864	623,696	-168	-0.0%
Incl. PeakMemUse (bytes) per call	62,386	62,370	-17	-0.0%
Excl. PeakMemUse (bytes)	3,064	3,072	8	0.3%

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\Database\Connection::getDriverClass	0	N/A%	73	6.6%	74	34.1%	-128	-0.2%	-168	-0.2%
Exclusive Metrics Diff for Current Function			1	1.4%	5	6.8%	0	0.0%	8	4.8%
*Parent functions*
Drupal\Core\Database\Connection::update	0	N/A%	55	75.3%	57	77.0%	-56	-43.8%	-56	-33.3%
Drupal\Core\Database\Connection::delete	0	N/A%	-30	-41.1%	-31	-41.9%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::select	0	N/A%	29	39.7%	29	39.2%	-40	-31.2%	-184	-109.5%
Drupal\Core\Database\Connection::merge	0	N/A%	21	28.8%	22	29.7%	-40	-31.2%	152	90.5%
Drupal\Core\Database\Connection::insert	0	N/A%	-2	-2.7%	-3	-4.1%	8	6.2%	-80	-47.6%
*Child functions*
class_exists	0	N/A%	78	106.8%	75	101.4%	-128	-100.0%	-176	-104.8%
Drupal\Core\Database\Driver\mysql\Connection::driver	0	N/A%	-6	-8.2%	-6	-8.1%	0	0.0%	0	0.0%