XHProf: Hierarchical Profiler Report

Diff Report: Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45a7cd8f5: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Query\Select::__toString@1	Run #519d44ffb3845	Run #519d45a7cd8f5	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	139	126	-13	-9.4%
Incl. Wall Time (microsec) per call	139	126	-13	-9.4%
Excl. Wall Time (microsec)	73	67	-6	-8.2%
Incl. CPU (microsecs)	143	129	-14	-9.8%
Incl. CPU (microsecs) per call	143	129	-14	-9.8%
Excl. CPU (microsec)	52	47	-5	-9.6%
Incl. MemUse (bytes)	5,048	5,048	0	0.0%
Incl. MemUse (bytes) per call	5,048	5,048	0	0.0%
Excl. MemUse (bytes)	1,416	1,416	0	0.0%
Incl. PeakMemUse (bytes)	5,268	5,268	0	0.0%
Incl. PeakMemUse (bytes) per call	5,268	5,268	0	0.0%
Excl. PeakMemUse (bytes)	1,916	1,916	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%	-13	-0.6%	-14	-3.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-6	-46.2%	-5	-35.7%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\Database\Query\Select::__toString	0	N/A%	-13	-100.0%	-14	-100.0%	0	N/A%	0	N/A%
*Child functions*
count	0	N/A%	-2	-15.4%	-1	-7.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Condition::__toString	0	N/A%	0	0.0%	-1	-7.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::escapeTable	0	N/A%	-1	-7.7%	-2	-14.3%	0	N/A%	0	N/A%
implode	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::makeComment	0	N/A%	0	0.0%	-1	-7.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::escapeAlias	0	N/A%	0	0.0%	-1	-7.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::compiled	0	N/A%	-4	-30.8%	-3	-21.4%	0	N/A%	0	N/A%