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 preg_replace

preg_replace	Run #534ad9c94e95b	Run #534ad8dec7444	Diff	Diff%
Number of Function Calls	1,529	1,528	-1	-0.1%
Incl. Wall Time (microsec)	4,455	4,454	-1	-0.0%
Incl. Wall Time (microsec) per call	3	3	0	0.0%
Excl. Wall Time (microsec)	4,455	4,454	-1	-0.0%
Incl. CPU (microsecs)	5,791	5,794	3	0.1%
Incl. CPU (microsecs) per call	4	4	0	0.1%
Excl. CPU (microsec)	5,791	5,794	3	0.1%
Incl. MemUse (bytes)	159,700	159,580	-120	-0.1%
Incl. MemUse (bytes) per call	104	104	-0	-0.0%
Excl. MemUse (bytes)	159,700	159,580	-120	-0.1%
Incl. PeakMemUse (bytes)	51,912	52,012	100	0.2%
Incl. PeakMemUse (bytes) per call	34	34	0	0.3%
Excl. PeakMemUse (bytes)	51,912	52,012	100	0.2%

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	-1	-100.0%	-1	-0.1%	3	0.6%	-120	-0.5%	100	0.4%
Exclusive Metrics Diff for Current Function			-1	-100.0%	3	100.0%	-120	-100.0%	100	100.0%
*Parent functions*
Drupal\Core\Database\Connection::escapeTable	0	0.0%	16	1600.0%	21	700.0%	0	0.0%	0	0.0%
drupal_clean_id_identifier	0	0.0%	-11	-1100.0%	-16	-533.3%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::expandArguments	0	0.0%	9	900.0%	16	533.3%	8	6.7%	184	184.0%
Drupal\Core\Database\Connection::escapeField	0	0.0%	-6	-600.0%	5	166.7%	0	0.0%	0	0.0%
drupal_clean_css_identifier	0	0.0%	-5	-500.0%	-16	-533.3%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::escapeAlias	0	0.0%	-3	-300.0%	-13	-433.3%	0	0.0%	0	0.0%
Drupal\views\ViewExecutable::buildThemeFunctions	0	0.0%	-1	-100.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteCompiler::getPatternOutline	0	0.0%	1	100.0%	3	100.0%	0	0.0%	0	0.0%
Twig_Loader_Filesystem::findTemplate	-1	-100.0%	-1	-100.0%	4	133.3%	-128	-106.7%	0	0.0%
Symfony\Component\Routing\RouteCompiler::findNextSeparator	0	0.0%	0	0.0%	1	33.3%	0	0.0%	0	0.0%
Drupal\Component\Utility\Tags::explode	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
__TwigTemplate_18632083caa399d2e77339d322a39a9ee6fb035f326d8cbd4b48b564aca7af78::doDisplay	0	0.0%	0	0.0%	3	100.0%	0	0.0%	0	0.0%
Drupal\Core\Datetime\DrupalDateTime::format	0	0.0%	0	0.0%	1	33.3%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::getHost	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\Xss::filter	0	0.0%	0	0.0%	-7	-233.3%	0	0.0%	-84	-84.0%
Drupal\Core\Routing\UrlGenerator::getPathFromRoute	0	0.0%	0	0.0%	1	33.3%	0	0.0%	0	0.0%