XHProf: Hierarchical Profiler Report

Diff Report: Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc2983e6a9: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

implode	Run #519fbf2154a5e	Run #519fc2983e6a9	Diff	Diff%
Number of Function Calls	33	34	1	3.0%
Incl. Wall Time (microsec)	23	24	1	4.3%
Incl. Wall Time (microsec) per call	1	1	0	1.3%
Excl. Wall Time (microsec)	23	24	1	4.3%
Incl. CPU (microsecs)	0	0	0	N/A%
Incl. CPU (microsecs) per call	0	0	0	N/A%
Excl. CPU (microsec)	0	0	0	N/A%
Incl. MemUse (bytes)	7,148	9,616	2,468	34.5%
Incl. MemUse (bytes) per call	217	283	66	30.6%
Excl. MemUse (bytes)	7,148	9,616	2,468	34.5%
Incl. PeakMemUse (bytes)	3,320	3,740	420	12.7%
Incl. PeakMemUse (bytes) per call	101	110	9	9.3%
Excl. PeakMemUse (bytes)	3,320	3,740	420	12.7%

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*
implode	1	100.0%	1	0.1%	0	0.0%	2,468	1.1%	420	0.2%
Exclusive Metrics Diff for Current Function			1	100.0%	0	N/A%	2,468	100.0%	420	100.0%
*Parent functions*
twig_render_template	1	100.0%	1	100.0%	0	N/A%	2,468	100.0%	0	0.0%
Drupal\Core\Database\Connection::expandArguments	0	0.0%	1	100.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::__toString	0	0.0%	-1	-100.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::open	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\HeaderBag::getCacheControlHeader	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Template\AttributeArray::__toString	0	0.0%	0	0.0%	0	N/A%	0	0.0%	420	100.0%
drupal_pre_render_styles	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\DrupalKernel::getClassName	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
template_preprocess_maintenance_page	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Condition::compile	0	0.0%	0	0.0%	0	N/A%	0	0.0%	0	0.0%