XHProf: Hierarchical Profiler Report

Diff Report: Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #519ede3a9dd65	Run #519edf3566aae	Diff	Diff%
Number of Function Calls	1,138	1,165	27	2.4%
Incl. Wall Time (microsec)	474	501	27	5.7%
Incl. Wall Time (microsec) per call	0	0	0	3.2%
Excl. Wall Time (microsec)	474	501	27	5.7%
Incl. CPU (microsecs)	1,427	1,455	28	2.0%
Incl. CPU (microsecs) per call	1	1	-0	-0.4%
Excl. CPU (microsec)	1,427	1,455	28	2.0%
Incl. MemUse (bytes)	204,032	205,184	1,152	0.6%
Incl. MemUse (bytes) per call	179	176	-3	-1.8%
Excl. MemUse (bytes)	204,032	205,184	1,152	0.6%
Incl. PeakMemUse (bytes)	18,800	18,720	-80	-0.4%
Incl. PeakMemUse (bytes) per call	17	16	-0	-2.7%
Excl. PeakMemUse (bytes)	18,800	18,720	-80	-0.4%

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	27	100.0%	27	0.1%	28	0.1%	1,152	0.4%	-80	-0.1%
Exclusive Metrics Diff for Current Function			27	100.0%	28	100.0%	1,152	100.0%	-80	-100.0%
*Parent functions*
theme@5	0	0.0%	12	44.4%	-5	-17.9%	0	0.0%	288	360.0%
Symfony\Component\ClassLoader\ClassLoader::findFile	0	0.0%	-6	-22.2%	-20	-71.4%	0	0.0%	0	0.0%
theme@4	0	0.0%	5	18.5%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Uuid\Php::generate	0	0.0%	5	18.5%	8	28.6%	0	0.0%	0	0.0%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	5	18.5%	7	25.0%	8	0.7%	0	0.0%
Twig_Environment::getCacheFilename	28	103.7%	4	14.8%	31	110.7%	1,176	102.1%	0	0.0%
file_uri_scheme	0	0.0%	1	3.7%	2	7.1%	0	0.0%	-456	-570.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	1	3.7%	-1	-3.6%	0	0.0%	0	0.0%
theme@2	0	0.0%	-1	-3.7%	4	14.3%	0	0.0%	0	0.0%
drupal_settings_initialize	0	0.0%	1	3.7%	0	0.0%	0	0.0%	0	0.0%
image_style_path_token	0	0.0%	0	0.0%	-3	-10.7%	0	0.0%	0	0.0%
drupal_strip_dangerous_protocols	0	0.0%	0	0.0%	1	3.6%	0	0.0%	0	0.0%
theme@1	-1	-3.7%	0	0.0%	-2	-7.1%	-32	-2.8%	88	110.0%
theme@3	0	0.0%	0	0.0%	-1	-3.6%	0	0.0%	0	0.0%
devel_silent	0	0.0%	0	0.0%	2	7.1%	0	0.0%	0	0.0%
contextual_custom_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
edit_custom_theme	0	0.0%	0	0.0%	1	3.6%	0	0.0%	0	0.0%
editor_custom_theme	0	0.0%	0	0.0%	1	3.6%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	0	0.0%	-1	-3.6%	0	0.0%	0	0.0%
request_path	0	0.0%	0	0.0%	1	3.6%	0	0.0%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	0.0%	0	0.0%	3	10.7%	0	0.0%	0	0.0%