Diff Report
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519c03b86b1ecRun #519c04ab45451DiffDiff%
Number of Function Calls1,072 1,076 4 0.4%
Incl. Wall Time (microsec)1,100 1,102 2 0.2%
Incl. Wall Time (microsec) per call 1 1 -0 -0.2%
Excl. Wall Time (microsec)1,100 1,102 2 0.2%
Incl. CPU (microsecs)1,937 1,998 61 3.1%
Incl. CPU (microsecs) per call 2 2 0 2.8%
Excl. CPU (microsec)1,937 1,998 61 3.1%
Incl. MemUse (bytes)57,580 57,696 116 0.2%
Incl. MemUse (bytes) per call 54 54 -0 -0.2%
Excl. MemUse (bytes)57,580 57,696 116 0.2%
Incl. PeakMemUse (bytes)23,948 23,948 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 -0 -0.4%
Excl. PeakMemUse (bytes)23,948 23,948 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 0.3% 61 4.0% 116 0.9% 0 0.0%
Exclusive Metrics Diff for Current Function2 100.0% 61 100.0% 116 100.0% 0 N/A%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 4 200.0% 6 9.8% 116 100.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 3 150.0% 42 68.9% 0 0.0% 0 N/A%
file_uri_scheme0 0.0% -3 -150.0% 1 1.6% 0 0.0% 0 N/A%
text_summary0 0.0% -1 -50.0% 5 8.2% 0 0.0% 0 N/A%
devel_silent0 0.0% -1 -50.0% 2 3.3% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% -1 -1.6% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 3 4.9% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
image_style_path_token0 0.0% 0 0.0% 5 8.2% 0 0.0% 0 N/A%
url0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% -1 -1.6% 0 0.0% 0 N/A%
theme@50 0.0% 0 0.0% 2 3.3% 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%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 1 1.6% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -3 -4.9% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -2 -3.3% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -1 -1.6% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 1.6% 0 0.0% 0 N/A%
contextual_custom_theme0 0.0% 0 0.0% -1 -1.6% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 1 1.6% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 0.0% 1 1.6% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 0.0% -1 -1.6% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% 1 1.6% 0 0.0% 0 N/A%