XHProf: Hierarchical Profiler Report

Diff Report: Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #519f012418c24	Run #519f02278cd90	Diff	Diff%
Number of Function Calls	208	208	0	0.0%
Incl. Wall Time (microsec)	93	96	3	3.2%
Incl. Wall Time (microsec) per call	0	0	0	3.2%
Excl. Wall Time (microsec)	93	96	3	3.2%
Incl. CPU (microsecs)	292	287	-5	-1.7%
Incl. CPU (microsecs) per call	1	1	-0	-1.7%
Excl. CPU (microsec)	292	287	-5	-1.7%
Incl. MemUse (bytes)	43,024	43,000	-24	-0.1%
Incl. MemUse (bytes) per call	207	207	-0	-0.1%
Excl. MemUse (bytes)	43,024	43,000	-24	-0.1%
Incl. PeakMemUse (bytes)	15,824	15,712	-112	-0.7%
Incl. PeakMemUse (bytes) per call	76	76	-1	-0.7%
Excl. PeakMemUse (bytes)	15,824	15,712	-112	-0.7%

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	0	N/A%	3	0.1%	-5	-0.2%	-24	-0.4%	-112	-0.6%
Exclusive Metrics Diff for Current Function			3	100.0%	-5	-100.0%	-24	-100.0%	-112	-100.0%
*Parent functions*
Drupal\Component\Utility\Crypt::randomBytes	0	N/A%	2	66.7%	6	120.0%	0	0.0%	0	0.0%
theme@2	0	N/A%	2	66.7%	0	0.0%	0	0.0%	0	0.0%
Drupal\views\Plugin\views\query\Sql::add_field	0	N/A%	-1	-33.3%	-3	-60.0%	16	66.7%	-112	-100.0%
file_uri_scheme	0	N/A%	1	33.3%	-1	-20.0%	0	0.0%	0	0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct	0	N/A%	-1	-33.3%	-1	-20.0%	0	0.0%	0	0.0%
text_summary	0	N/A%	1	33.3%	1	20.0%	0	0.0%	0	0.0%
editor_custom_theme	0	N/A%	-1	-33.3%	1	20.0%	0	0.0%	0	0.0%
edit_custom_theme	0	N/A%	-1	-33.3%	1	20.0%	0	0.0%	0	0.0%
Drupal\Component\Uuid\Php::generate	0	N/A%	1	33.3%	0	0.0%	0	0.0%	0	0.0%
theme@4	0	N/A%	-1	-33.3%	0	0.0%	-16	-66.7%	0	0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	N/A%	1	33.3%	2	40.0%	0	0.0%	0	0.0%
Twig_Environment::getCacheFilename	0	N/A%	0	0.0%	2	40.0%	0	0.0%	0	0.0%
image_style_path_token	0	N/A%	0	0.0%	-1	-20.0%	0	0.0%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	N/A%	0	0.0%	-1	-20.0%	0	0.0%	0	0.0%
theme@1	0	N/A%	0	0.0%	-1	-20.0%	0	0.0%	0	0.0%
Doctrine\Common\Annotations\DocParser::parse@1	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
drupal_strip_dangerous_protocols	0	N/A%	0	0.0%	-1	-20.0%	0	0.0%	0	0.0%
contextual_custom_theme	0	N/A%	0	0.0%	1	20.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
drupal_settings_initialize	0	N/A%	0	0.0%	1	20.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
url	0	N/A%	0	0.0%	1	20.0%	0	0.0%	0	0.0%
Doctrine\Common\Annotations\DocParser::parse	0	N/A%	0	0.0%	-1	-20.0%	-16	-66.7%	0	0.0%
request_path	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Doctrine\Common\Annotations\DocLexer::getType	0	N/A%	0	0.0%	-11	-220.0%	-8	-33.3%	0	0.0%