XHProf: Hierarchical Profiler Report

Diff Report: Run #51a5545d76a23: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a562cdc3626: XHProf Run (Namespace=drupal-perf-ezeedub)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #51a5545d76a23	Run #51a562cdc3626	Diff	Diff%
Number of Function Calls	387	412	25	6.5%
Incl. Wall Time (microsec)	451	545	94	20.8%
Incl. Wall Time (microsec) per call	1	1	0	13.5%
Excl. Wall Time (microsec)	451	545	94	20.8%
Incl. CPU (microsecs)	4,000	0	-4,000	-100.0%
Incl. CPU (microsecs) per call	10	0	-10	-100.0%
Excl. CPU (microsec)	4,000	0	-4,000	-100.0%
Incl. MemUse (bytes)	29,128	29,632	504	1.7%
Incl. MemUse (bytes) per call	75	72	-3	-4.4%
Excl. MemUse (bytes)	29,128	29,632	504	1.7%
Incl. PeakMemUse (bytes)	10,084	10,084	0	0.0%
Incl. PeakMemUse (bytes) per call	26	24	-2	-6.1%
Excl. PeakMemUse (bytes)	10,084	10,084	0	0.0%

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	25	100.0%	94	0.5%	-4,000	-20.0%	504	0.7%	0	0.0%
Exclusive Metrics Diff for Current Function			94	100.0%	-4,000	-100.0%	504	100.0%	0	N/A%
*Parent functions*
image_style_path_token	0	0.0%	49	52.1%	0	0.0%	0	0.0%	0	N/A%
file_uri_scheme	17	68.0%	21	22.3%	-4,000	-100.0%	272	54.0%	0	N/A%
Twig_Environment::getCacheFilename	8	32.0%	10	10.6%	0	0.0%	232	46.0%	0	N/A%
theme@2	0	0.0%	4	4.3%	0	0.0%	0	0.0%	0	N/A%
theme@4	0	0.0%	3	3.2%	0	0.0%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	2	2.1%	0	0.0%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	2	2.1%	0	0.0%	0	0.0%	0	N/A%
Drupal\views\Plugin\views\query\Sql::add_field	0	0.0%	-1	-1.1%	0	0.0%	0	0.0%	0	N/A%
Drupal\field_sql_storage\Entity\Tables::addField	0	0.0%	1	1.1%	0	0.0%	0	0.0%	0	N/A%
edit_custom_theme	0	0.0%	1	1.1%	0	0.0%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	1	1.1%	0	0.0%	0	0.0%	0	N/A%
drupal_strip_dangerous_protocols	0	0.0%	1	1.1%	0	0.0%	0	0.0%	0	N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
theme@1	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
devel_silent	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
Drupal\Component\Uuid\Php::generate	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
drupal_settings_initialize	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
contextual_custom_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
editor_custom_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
request_path	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
url	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%