Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls336 336 0 0.0%
Incl. Wall Time (microsec)156 166 10 6.4%
Incl. Wall Time (microsec) per call 0 0 0 6.4%
Excl. Wall Time (microsec)156 166 10 6.4%
Incl. CPU (microsecs)485 476 -9 -1.9%
Incl. CPU (microsecs) per call 1 1 -0 -1.9%
Excl. CPU (microsec)485 476 -9 -1.9%
Incl. MemUse (bytes)35,128 35,128 0 0.0%
Incl. MemUse (bytes) per call 105 105 0 0.0%
Excl. MemUse (bytes)35,128 35,128 0 0.0%
Incl. PeakMemUse (bytes)12,080 12,080 0 0.0%
Incl. PeakMemUse (bytes) per call 36 36 0 0.0%
Excl. PeakMemUse (bytes)12,080 12,080 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
substr0 N/A% 10 2.5% -9 -1.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 100.0% -9 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 4 40.0% 4 44.4% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 3 30.0% 2 22.2% 0 N/A% 0 N/A%
theme@20 N/A% 3 30.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% -1 -10.0% -1 -11.1% 0 N/A% 0 N/A%
theme@10 N/A% -1 -10.0% -1 -11.1% 0 N/A% 0 N/A%
theme@40 N/A% 1 10.0% 0 0.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 1 10.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 0 0.0% -10 -111.1% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 2 22.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%