XHProf: Hierarchical Profiler Report

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

Drupal\Core\Database\Connection::getDriverClass	Run #51ca5414b31d9	Run #51ca54a312a65	Diff	Diff%
Number of Function Calls	10	10	0	0.0%
Incl. Wall Time (microsec)	4,472	4,399	-73	-1.6%
Incl. Wall Time (microsec) per call	447	440	-7	-1.6%
Excl. Wall Time (microsec)	88	87	-1	-1.1%
Incl. CPU (microsecs)	4,485	4,411	-74	-1.6%
Incl. CPU (microsecs) per call	449	441	-7	-1.6%
Excl. CPU (microsec)	90	85	-5	-5.6%
Incl. MemUse (bytes)	667,240	667,368	128	0.0%
Incl. MemUse (bytes) per call	66,724	66,737	13	0.0%
Excl. MemUse (bytes)	5,704	5,704	0	0.0%
Incl. PeakMemUse (bytes)	623,696	623,864	168	0.0%
Incl. PeakMemUse (bytes) per call	62,370	62,386	17	0.0%
Excl. PeakMemUse (bytes)	3,072	3,064	-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%