Diff Report
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #519c146573182Run #519c116ac5313DiffDiff%
Number of Function Calls846 836 -10 -1.2%
Incl. Wall Time (microsec)859 842 -17 -2.0%
Incl. Wall Time (microsec) per call 1 1 -0 -0.8%
Excl. Wall Time (microsec)859 842 -17 -2.0%
Incl. CPU (microsecs)1,577 1,567 -10 -0.6%
Incl. CPU (microsecs) per call 2 2 0 0.6%
Excl. CPU (microsec)1,577 1,567 -10 -0.6%
Incl. MemUse (bytes)45,164 44,448 -716 -1.6%
Incl. MemUse (bytes) per call 53 53 -0 -0.4%
Excl. MemUse (bytes)45,164 44,448 -716 -1.6%
Incl. PeakMemUse (bytes)16,076 15,692 -384 -2.4%
Incl. PeakMemUse (bytes) per call 19 19 -0 -1.2%
Excl. PeakMemUse (bytes)16,076 15,692 -384 -2.4%

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
substr-10 -100.0% -17 -0.0% -10 -0.0% -716 -0.3% -384 -0.1%
Exclusive Metrics Diff for Current Function-17 -100.0% -10 -100.0% -716 -100.0% -384 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile-6 -60.0% -14 -82.4% -9 -90.0% -168 -23.5% 0 0.0%
Twig_Environment::getCacheFilename-4 -40.0% -4 -23.5% -12 -120.0% -548 -76.5% -384 -100.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 1 5.9% 0 0.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
url0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -2 -20.0% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% 7 70.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% 3 30.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 3 30.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -5 -50.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 4 40.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%