Diff Report
Run #519af7f3cd409: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519af8e64a59b: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for substr

substrRun #519af7f3cd409Run #519af8e64a59bDiffDiff%
Number of Function Calls761 765 4 0.5%
Incl. Wall Time (microsec)789 780 -9 -1.1%
Incl. Wall Time (microsec) per call 1 1 -0 -1.7%
Excl. Wall Time (microsec)789 780 -9 -1.1%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 5 5 N/A%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)50,696 50,864 168 0.3%
Incl. MemUse (bytes) per call 67 66 -0 -0.2%
Excl. MemUse (bytes)50,696 50,864 168 0.3%
Incl. PeakMemUse (bytes)17,696 17,696 0 0.0%
Incl. PeakMemUse (bytes) per call 23 23 -0 -0.5%
Excl. PeakMemUse (bytes)17,696 17,696 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% -9 -0.6% 4,000 N/A% 168 0.7% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -100.0% 4,000 100.0% 168 100.0% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -13 -144.4% 4,000 100.0% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename4 100.0% 4 44.4% 0 0.0% 168 100.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% -2 -22.2% 0 0.0% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 2 22.2% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
url0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%