XHProf: Hierarchical Profiler Report

Diff Report: Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for preg_replace

preg_replace	Run #53923d861ff11	Run #53923e49d2b58	Diff	Diff%
Number of Function Calls	2,058	2,058	0	0.0%
Incl. Wall Time (microsec)	5,539	5,512	-27	-0.5%
Incl. Wall Time (microsec) per call	3	3	-0	-0.5%
Excl. Wall Time (microsec)	5,539	5,512	-27	-0.5%
Incl. CPU (microsecs)	7,231	7,185	-46	-0.6%
Incl. CPU (microsecs) per call	4	3	-0	-0.6%
Excl. CPU (microsec)	7,231	7,185	-46	-0.6%
Incl. MemUse (bytes)	193,136	193,172	36	0.0%
Incl. MemUse (bytes) per call	94	94	0	0.0%
Excl. MemUse (bytes)	193,136	193,172	36	0.0%
Incl. PeakMemUse (bytes)	45,572	45,092	-480	-1.1%
Incl. PeakMemUse (bytes) per call	22	22	-0	-1.1%
Excl. PeakMemUse (bytes)	45,572	45,092	-480	-1.1%

Parent/Child Regression/Improvement report for preg_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*
preg_replace	0	N/A%	-27	-1.7%	-46	-4.2%	36	4.1%	-480	-69.0%
Exclusive Metrics Diff for Current Function			-27	-100.0%	-46	-100.0%	36	100.0%	-480	-100.0%
*Parent functions*
Drupal\Core\Database\Connection::escapeTable	0	N/A%	24	88.9%	21	45.7%	24	66.7%	36	7.5%
Twig_Loader_Filesystem::findTemplate	0	N/A%	-22	-81.5%	-31	-67.4%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::escapeField	0	N/A%	-19	-70.4%	-30	-65.2%	8	22.2%	0	0.0%
Drupal\Core\Datetime\DrupalDateTime::format	0	N/A%	-14	-51.9%	-12	-26.1%	0	0.0%	0	0.0%
drupal_clean_css_identifier	0	N/A%	11	40.7%	-5	-10.9%	-4	-11.1%	152	31.7%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-9	-33.3%	-23	-50.0%	12	33.3%	-732	-152.5%
Drupal\Component\Utility\Xss::filter	0	N/A%	7	25.9%	5	10.9%	0	0.0%	28	5.8%
Drupal\Component\Utility\Xss::split	0	N/A%	-3	-11.1%	6	13.0%	0	0.0%	0	0.0%
__TwigTemplate_18632083caa399d2e77339d322a39a9ee6fb035f326d8cbd4b48b564aca7af78::doDisplay	0	N/A%	-3	-11.1%	-5	-10.9%	0	0.0%	0	0.0%
drupal_clean_id_identifier	0	N/A%	2	7.4%	-3	-6.5%	0	0.0%	36	7.5%
Drupal\Core\Database\Connection::escapeAlias	0	N/A%	2	7.4%	11	23.9%	8	22.2%	0	0.0%
Drupal\Core\Routing\UrlGenerator::getPathFromRoute	0	N/A%	-2	-7.4%	1	2.2%	0	0.0%	0	0.0%
Drupal\Component\Utility\Xss::attributes	0	N/A%	-1	-3.7%	4	8.7%	-12	-33.3%	0	0.0%
Drupal\Core\Routing\RouteCompiler::getPatternOutline	0	N/A%	1	3.7%	6	13.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	-1	-3.7%	8	17.4%	0	0.0%	0	0.0%
Symfony\Component\Routing\RouteCompiler::findNextSeparator	0	N/A%	0	0.0%	1	2.2%	0	0.0%	0	0.0%