XHProf: Hierarchical Profiler Report

Diff Report: Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for str_replace

str_replace	Run #534ad9c94e95b	Run #534ad8dec7444	Diff	Diff%
Number of Function Calls	492	491	-1	-0.2%
Incl. Wall Time (microsec)	1,640	1,590	-50	-3.0%
Incl. Wall Time (microsec) per call	3	3	-0	-2.9%
Excl. Wall Time (microsec)	1,640	1,590	-50	-3.0%
Incl. CPU (microsecs)	2,186	2,138	-48	-2.2%
Incl. CPU (microsecs) per call	4	4	-0	-2.0%
Excl. CPU (microsec)	2,186	2,138	-48	-2.2%
Incl. MemUse (bytes)	264,196	263,956	-240	-0.1%
Incl. MemUse (bytes) per call	537	538	1	0.1%
Excl. MemUse (bytes)	264,196	263,956	-240	-0.1%
Incl. PeakMemUse (bytes)	68,628	68,596	-32	-0.0%
Incl. PeakMemUse (bytes) per call	139	140	0	0.2%
Excl. PeakMemUse (bytes)	68,628	68,596	-32	-0.0%

Parent/Child Regression/Improvement report for str_replace [View Callgraph Diff]

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*
str_replace	-1	-100.0%	-50	-3.0%	-48	-9.6%	-240	-1.0%	-32	-0.1%
Exclusive Metrics Diff for Current Function			-50	-100.0%	-48	-100.0%	-240	-100.0%	-32	-100.0%
*Parent functions*
Drupal\Component\Utility\UrlHelper::encodePath	0	0.0%	-30	-60.0%	-26	-54.2%	0	0.0%	0	0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath	-1	-100.0%	-5	-10.0%	-4	-8.3%	-176	-73.3%	-160	-500.0%
Drupal\Core\Database\Connection::prefixTables	0	0.0%	-4	-8.0%	5	10.4%	0	0.0%	116	362.5%
Drupal\Core\Routing\UrlGenerator::generateFromPath	0	0.0%	-4	-8.0%	-5	-10.4%	0	0.0%	0	0.0%
_views_query_tag_alter_condition@2	0	0.0%	-3	-6.0%	3	6.2%	0	0.0%	0	0.0%
Drupal\Component\Utility\UrlHelper::buildQuery	0	0.0%	-3	-6.0%	-5	-10.4%	-64	-26.7%	40	125.0%
_drupal_render_process_post_render_cache	0	0.0%	-2	-4.0%	-3	-6.2%	0	0.0%	0	0.0%
Drupal\Component\Utility\Tags::explode	0	0.0%	-1	-2.0%	-1	-2.1%	0	0.0%	0	0.0%
theme_get_suggestions	0	0.0%	1	2.0%	-1	-2.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::addJoin	0	0.0%	1	2.0%	-7	-14.6%	0	0.0%	0	0.0%
Drupal\Component\Utility\Xss::filter	0	0.0%	-1	-2.0%	-6	-12.5%	0	0.0%	-28	-87.5%
Drupal\Core\Plugin\Discovery\AnnotatedClassDiscovery::__construct	0	0.0%	1	2.0%	-3	-6.2%	0	0.0%	0	0.0%
_drupal_request_initialize	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
toolbar_menu_navigation_links	0	0.0%	0	0.0%	8	16.7%	0	0.0%	0	0.0%
Drupal\block\BlockBase::getCacheTags	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteCompiler::getPathWithoutDefaults	0	0.0%	0	0.0%	-3	-6.2%	0	0.0%	0	0.0%