XHProf: Hierarchical Profiler Report

Diff Report: Run #519eb193b2faa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb20dce0a3: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #519eb193b2faa	Run #519eb20dce0a3	Diff	Diff%
Number of Function Calls	886	930	44	5.0%
Incl. Wall Time (microsec)	448	541	93	20.8%
Incl. Wall Time (microsec) per call	1	1	0	15.0%
Excl. Wall Time (microsec)	448	541	93	20.8%
Incl. CPU (microsecs)	1,113	1,209	96	8.6%
Incl. CPU (microsecs) per call	1	1	0	3.5%
Excl. CPU (microsec)	1,113	1,209	96	8.6%
Incl. MemUse (bytes)	63,528	66,104	2,576	4.1%
Incl. MemUse (bytes) per call	72	71	-1	-0.9%
Excl. MemUse (bytes)	63,528	66,104	2,576	4.1%
Incl. PeakMemUse (bytes)	19,176	20,272	1,096	5.7%
Incl. PeakMemUse (bytes) per call	22	22	0	0.7%
Excl. PeakMemUse (bytes)	19,176	20,272	1,096	5.7%

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	44	100.0%	93	1.1%	96	0.6%	2,576	0.3%	1,096	0.1%
Exclusive Metrics Diff for Current Function			93	100.0%	96	100.0%	2,576	100.0%	1,096	100.0%
*Parent functions*
Twig_Environment::getCacheFilename	36	81.8%	8	8.6%	47	49.0%	2,296	89.1%	784	71.5%
Symfony\Component\ClassLoader\ClassLoader::findFile	8	18.2%	81	87.1%	41	42.7%	288	11.2%	0	0.0%
file_uri_scheme	0	0.0%	-2	-2.2%	8	8.3%	0	0.0%	312	28.5%
Drupal\Component\Uuid\Php::generate	0	0.0%	0	0.0%	-4	-4.2%	0	0.0%	0	0.0%
request_path	0	0.0%	0	0.0%	-3	-3.1%	0	0.0%	0	0.0%
Drupal\views\Plugin\views\query\Sql::add_field	0	0.0%	0	0.0%	3	3.1%	0	0.0%	0	0.0%
editor_custom_theme	0	0.0%	0	0.0%	-2	-2.1%	0	0.0%	0	0.0%
url	0	0.0%	1	1.1%	2	2.1%	0	0.0%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	0.0%	0	0.0%	2	2.1%	0	0.0%	0	0.0%
theme@4	0	0.0%	-2	-2.2%	2	2.1%	-8	-0.3%	0	0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	0	0.0%	-2	-2.1%	0	0.0%	0	0.0%
theme@2	0	0.0%	1	1.1%	2	2.1%	0	0.0%	0	0.0%
theme@1	0	0.0%	0	0.0%	-1	-1.0%	0	0.0%	0	0.0%
image_style_path_token	0	0.0%	2	2.2%	1	1.0%	0	0.0%	0	0.0%
devel_silent	0	0.0%	0	0.0%	1	1.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	0	0.0%	-1	-1.0%	0	0.0%	0	0.0%
drupal_settings_initialize	0	0.0%	2	2.2%	-1	-1.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	0	0.0%	1	1.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	1	1.1%	0	0.0%	0	0.0%	0	0.0%
contextual_custom_theme	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_strip_dangerous_protocols	0	0.0%	1	1.1%	0	0.0%	0	0.0%	0	0.0%