XHProf: Hierarchical Profiler Report

Diff Report: Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #519ac1a144fa6	Run #519abf80bb905	Diff	Diff%
Number of Function Calls	824	833	9	1.1%
Incl. Wall Time (microsec)	1,140	1,137	-3	-0.3%
Incl. Wall Time (microsec) per call	1	1	-0	-1.3%
Excl. Wall Time (microsec)	1,140	1,137	-3	-0.3%
Incl. CPU (microsecs)	1,931	2,039	108	5.6%
Incl. CPU (microsecs) per call	2	2	0	4.5%
Excl. CPU (microsec)	1,931	2,039	108	5.6%
Incl. MemUse (bytes)	67,736	69,848	2,112	3.1%
Incl. MemUse (bytes) per call	82	84	2	2.0%
Excl. MemUse (bytes)	67,736	69,848	2,112	3.1%
Incl. PeakMemUse (bytes)	15,200	16,104	904	5.9%
Incl. PeakMemUse (bytes) per call	18	19	1	4.8%
Excl. PeakMemUse (bytes)	15,200	16,104	904	5.9%

Parent/Child Regression/Improvement report for substr [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*
substr	9	100.0%	-3	-0.4%	108	7.1%	2,112	0.5%	904	0.1%
Exclusive Metrics Diff for Current Function			-3	-100.0%	108	100.0%	2,112	100.0%	904	100.0%
*Parent functions*
theme@2	-9	-100.0%	-9	-300.0%	-16	-14.8%	-288	-13.6%	0	0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile	10	111.1%	-9	-300.0%	82	75.9%	448	21.2%	0	0.0%
dblog_watchdog	3	33.3%	4	133.3%	7	6.5%	904	42.8%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	2	22.2%	3	100.0%	5	4.6%	64	3.0%	32	3.5%
Symfony\Component\HttpFoundation\Request::preparePathInfo	1	11.1%	3	100.0%	3	2.8%	32	1.5%	0	0.0%
Twig_Error::updateRepr	2	22.2%	3	100.0%	6	5.6%	952	45.1%	872	96.5%
drupal_strip_dangerous_protocols	0	0.0%	1	33.3%	1	0.9%	0	0.0%	0	0.0%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	-1	-33.3%	6	5.6%	0	0.0%	0	0.0%
theme@1	0	0.0%	1	33.3%	-2	-1.9%	0	0.0%	0	0.0%
contextual_custom_theme	0	0.0%	1	33.3%	1	0.9%	0	0.0%	0	0.0%
Twig_Environment::getCacheFilename	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\field_sql_storage\Entity\Tables::addField	0	0.0%	0	0.0%	1	0.9%	0	0.0%	0	0.0%
editor_custom_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Uuid\Php::generate	0	0.0%	0	0.0%	11	10.2%	0	0.0%	0	0.0%
drupal_settings_initialize	0	0.0%	0	0.0%	-2	-1.9%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
edit_custom_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	0.0%	0	0.0%	5	4.6%	0	0.0%	0	0.0%
request_path	0	0.0%	0	0.0%	1	0.9%	0	0.0%	0	0.0%
Drupal\views\Plugin\views\query\Sql::add_field	0	0.0%	0	0.0%	-1	-0.9%	0	0.0%	0	0.0%