XHProf: Hierarchical Profiler Report

Diff Report: Run #5240420daae43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #524042daedba9: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #5240420daae43	Run #524042daedba9	Diff	Diff%
Number of Function Calls	1,143	1,147	4	0.3%
Incl. Wall Time (microsec)	1,259	1,248	-11	-0.9%
Incl. Wall Time (microsec) per call	1	1	-0	-1.2%
Excl. Wall Time (microsec)	1,259	1,248	-11	-0.9%
Incl. CPU (microsecs)	2,373	2,388	15	0.6%
Incl. CPU (microsecs) per call	2	2	0	0.3%
Excl. CPU (microsec)	2,373	2,388	15	0.6%
Incl. MemUse (bytes)	64,272	64,440	168	0.3%
Incl. MemUse (bytes) per call	56	56	-0	-0.1%
Excl. MemUse (bytes)	64,272	64,440	168	0.3%
Incl. PeakMemUse (bytes)	16,888	16,888	0	0.0%
Incl. PeakMemUse (bytes) per call	15	15	-0	-0.3%
Excl. PeakMemUse (bytes)	16,888	16,888	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	4	100.0%	-11	-0.1%	15	0.2%	168	0.4%	0	0.0%
Exclusive Metrics Diff for Current Function			-11	-100.0%	15	100.0%	168	100.0%	0	N/A%
*Parent functions*
Twig_Environment::getCacheFilename	4	100.0%	3	27.3%	9	60.0%	168	100.0%	0	N/A%
Drupal\views\Plugin\views\query\Sql::addField	0	0.0%	1	9.1%	-3	-20.0%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	-2	-18.2%	-7	-46.7%	0	0.0%	0	N/A%
theme@1	0	0.0%	1	9.1%	1	6.7%	0	0.0%	0	N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath	0	0.0%	0	0.0%	1	6.7%	0	0.0%	0	N/A%
theme@2	0	0.0%	0	0.0%	-1	-6.7%	0	0.0%	0	N/A%
theme@4	0	0.0%	2	18.2%	-3	-20.0%	0	0.0%	0	N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern	0	0.0%	3	27.3%	0	0.0%	0	0.0%	0	N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider	0	0.0%	0	0.0%	-1	-6.7%	0	0.0%	0	N/A%
Composer\Autoload\ClassLoader::findFile	0	0.0%	-17	-154.5%	23	153.3%	0	0.0%	0	N/A%
drupal_settings_initialize	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
request_path	0	0.0%	0	0.0%	1	6.7%	0	0.0%	0	N/A%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	0	0.0%	3	20.0%	0	0.0%	0	N/A%
Drupal\Component\Uuid\Php::generate	0	0.0%	0	0.0%	2	13.3%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	-2	-18.2%	1	6.7%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	0	0.0%	-5	-33.3%	0	0.0%	0	N/A%
Composer\Autoload\ClassLoader::set	0	0.0%	0	0.0%	-6	-40.0%	0	0.0%	0	N/A%