XHProf: Hierarchical Profiler Report

Diff Report: Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for str_replace

str_replace	Run #539206aca7ae8	Run #539205a48c548	Diff	Diff%
Number of Function Calls	531	527	-4	-0.8%
Incl. Wall Time (microsec)	1,315	1,312	-3	-0.2%
Incl. Wall Time (microsec) per call	2	2	0	0.5%
Excl. Wall Time (microsec)	1,315	1,312	-3	-0.2%
Incl. CPU (microsecs)	1,875	1,854	-21	-1.1%
Incl. CPU (microsecs) per call	4	4	-0	-0.4%
Excl. CPU (microsec)	1,875	1,854	-21	-1.1%
Incl. MemUse (bytes)	188,504	187,672	-832	-0.4%
Incl. MemUse (bytes) per call	355	356	1	0.3%
Excl. MemUse (bytes)	188,504	187,672	-832	-0.4%
Incl. PeakMemUse (bytes)	36,648	35,864	-784	-2.1%
Incl. PeakMemUse (bytes) per call	69	68	-1	-1.4%
Excl. PeakMemUse (bytes)	36,648	35,864	-784	-2.1%

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	-4	-100.0%	-3	-0.1%	-21	-0.6%	-832	-0.9%	-784	-0.8%
Exclusive Metrics Diff for Current Function			-3	-100.0%	-21	-100.0%	-832	-100.0%	-784	-100.0%
*Parent functions*
Drupal\Core\Database\Connection::prefixTables	0	0.0%	21	700.0%	11	52.4%	8	1.0%	-592	-75.5%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath	-4	-100.0%	-8	-266.7%	-18	-85.7%	-744	-89.4%	80	10.2%
Drupal\Core\Routing\UrlGenerator::generateFromPath	0	0.0%	-5	-166.7%	5	23.8%	4	0.5%	24	3.1%
Drupal\Core\Routing\RouteCompiler::getPathWithoutDefaults	0	0.0%	-3	-100.0%	-8	-38.1%	0	0.0%	0	0.0%
toolbar_menu_navigation_links	0	0.0%	2	66.7%	-2	-9.5%	0	0.0%	0	0.0%
theme_get_suggestions	0	0.0%	-2	-66.7%	-4	-19.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::addJoin	0	0.0%	-2	-66.7%	-7	-33.3%	0	0.0%	0	0.0%
Drupal\ckeditor\Plugin\CKEditorPlugin\Internal::Drupal\ckeditor\Plugin\CKEditorPlugin\{closure}	0	0.0%	-2	-66.7%	-8	-38.1%	0	0.0%	0	0.0%
format_size	0	0.0%	-1	-33.3%	1	4.8%	0	0.0%	-352	-44.9%
_drupal_request_initialize	0	0.0%	-1	-33.3%	0	0.0%	0	0.0%	0	0.0%
Drupal\block\BlockBase::getCacheTags	0	0.0%	-1	-33.3%	2	9.5%	0	0.0%	0	0.0%
Drupal\Core\Plugin\Discovery\AnnotatedClassDiscovery::__construct	0	0.0%	-1	-33.3%	-2	-9.5%	0	0.0%	0	0.0%
Drupal\Core\Access\RouteProcessorCsrf::processOutbound	0	0.0%	0	0.0%	-1	-4.8%	0	0.0%	0	0.0%
Drupal\Core\StreamWrapper\PublicStream::getExternalUrl	0	0.0%	0	0.0%	-5	-23.8%	0	0.0%	0	0.0%
Drupal\Component\Utility\Xss::filter	0	0.0%	0	0.0%	7	33.3%	-8	-1.0%	56	7.1%
Drupal\Component\Utility\UrlHelper::buildQuery	0	0.0%	0	0.0%	6	28.6%	-92	-11.1%	0	0.0%
GuzzleHttp\Url::setPath	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\UrlHelper::encodePath	0	0.0%	0	0.0%	2	9.5%	0	0.0%	0	0.0%