Diff Report
Run #5251f592ab279: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5251f6e1e32d5: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #5251f592ab279Run #5251f6e1e32d5DiffDiff%
Number of Function Calls1,464 1,468 4 0.3%
Incl. Wall Time (microsec)496 498 2 0.4%
Incl. Wall Time (microsec) per call 0 0 0 0.1%
Excl. Wall Time (microsec)496 498 2 0.4%
Incl. CPU (microsecs)1,727 1,753 26 1.5%
Incl. CPU (microsecs) per call 1 1 0 1.2%
Excl. CPU (microsec)1,727 1,753 26 1.5%
Incl. MemUse (bytes)77,064 77,216 152 0.2%
Incl. MemUse (bytes) per call 53 53 -0 -0.1%
Excl. MemUse (bytes)77,064 77,216 152 0.2%
Incl. PeakMemUse (bytes)17,600 17,600 0 0.0%
Incl. PeakMemUse (bytes) per call 12 12 -0 -0.3%
Excl. PeakMemUse (bytes)17,600 17,600 0 0.0%

Parent/Child Regression/Improvement report for substr [View Callgraph Diff]


Function NameCalls DiffCalls
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
substr4 100.0% 2 0.1% 26 1.5% 152 0.2% 0 0.0%
Exclusive Metrics Diff for Current Function2 100.0% 26 100.0% 152 100.0% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 0.0% -11 -550.0% -10 -38.5% 0 0.0% 0 N/A%
Drupal\image\Entity\ImageStyle::getPathToken0 0.0% 9 450.0% 14 53.8% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename4 100.0% 2 100.0% 2 7.7% 168 110.5% 0 N/A%
drupal_settings_initialize0 0.0% -1 -50.0% -2 -7.7% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -1 -50.0% 2 7.7% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 1 50.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 1 50.0% 0 0.0% -8 -5.3% 0 N/A%
devel_silent0 0.0% 1 50.0% -4 -15.4% 0 0.0% 0 N/A%
theme@40 0.0% 1 50.0% 6 23.1% -8 -5.3% 0 N/A%
theme@10 0.0% 0 0.0% -2 -7.7% 0 0.0% 0 N/A%
file_uri_scheme0 0.0% 0 0.0% 15 57.7% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% 2 7.7% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 3 11.5% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 5 19.2% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 1 3.8% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -3 -11.5% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -3.8% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::set0 0.0% 0 0.0% -4 -15.4% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 2 7.7% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%