XHProf: Hierarchical Profiler Report

Diff Report: Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Query\Select::__toString@1	Run #519d4dc9980f7	Run #519d4cd4e396d	Diff	Diff%
Number of Function Calls	2	2	0	0.0%
Incl. Wall Time (microsec)	229	222	-7	-3.1%
Incl. Wall Time (microsec) per call	115	111	-4	-3.1%
Excl. Wall Time (microsec)	116	111	-5	-4.3%
Incl. CPU (microsecs)	232	225	-7	-3.0%
Incl. CPU (microsecs) per call	116	113	-4	-3.0%
Excl. CPU (microsec)	84	85	1	1.2%
Incl. MemUse (bytes)	5,232	5,232	0	0.0%
Incl. MemUse (bytes) per call	2,616	2,616	0	0.0%
Excl. MemUse (bytes)	1,284	1,284	0	0.0%
Incl. PeakMemUse (bytes)	5,576	5,576	0	0.0%
Incl. PeakMemUse (bytes) per call	2,788	2,788	0	0.0%
Excl. PeakMemUse (bytes)	2,188	2,188	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\Database\Query\Select::__toString@1	0	N/A%	-7	-0.0%	-7	-0.0%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-5	-71.4%	1	14.3%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\Database\Query\Select::__toString	0	N/A%	-7	-100.0%	-7	-100.0%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Connection::escapeTable	0	N/A%	-2	-28.6%	-2	-28.6%	0	N/A%	0	N/A%
count	0	N/A%	-1	-14.3%	-2	-28.6%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::compiled	0	N/A%	1	14.3%	1	14.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Condition::__toString	0	N/A%	0	0.0%	-1	-14.3%	0	N/A%	0	N/A%
implode	0	N/A%	0	0.0%	-1	-14.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::makeComment	0	N/A%	0	0.0%	-2	-28.6%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::escapeAlias	0	N/A%	0	0.0%	-1	-14.3%	0	N/A%	0	N/A%