Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbca569199: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519fbb3f5c2a0Run #519fbca569199DiffDiff%
Number of Function Calls842 842 0 0.0%
Incl. Wall Time (microsec)561 539 -22 -3.9%
Incl. Wall Time (microsec) per call 1 1 -0 -3.9%
Excl. Wall Time (microsec)561 539 -22 -3.9%
Incl. CPU (microsecs)1,129 1,128 -1 -0.1%
Incl. CPU (microsecs) per call 1 1 -0 -0.1%
Excl. CPU (microsec)1,129 1,128 -1 -0.1%
Incl. MemUse (bytes)62,592 62,592 0 0.0%
Incl. MemUse (bytes) per call 74 74 0 0.0%
Excl. MemUse (bytes)62,592 62,592 0 0.0%
Incl. PeakMemUse (bytes)19,040 19,040 0 0.0%
Incl. PeakMemUse (bytes) per call 23 23 0 0.0%
Excl. PeakMemUse (bytes)19,040 19,040 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% -22 -3.5% -1 -0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-22 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -25 -113.6% -21 -2100.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 2 9.1% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 2 9.1% 7 700.0% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 1 4.5% 3 300.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% -1 -4.5% 2 200.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 4.5% -1 -100.0% 0 N/A% 0 N/A%
theme@20 N/A% -1 -4.5% 5 500.0% 0 N/A% 0 N/A%
url0 N/A% -1 -4.5% 0 0.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 3 300.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% -2 -200.0% 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%