XHProf: Hierarchical Profiler Report

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

Regression/Improvement summary for preg_replace

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