Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea2c59e7a: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #519be9a13e594Run #519bea2c59e7aDiffDiff%
Number of Function Calls926 926 0 0.0%
Incl. Wall Time (microsec)942 947 5 0.5%
Incl. Wall Time (microsec) per call 1 1 0 0.5%
Excl. Wall Time (microsec)942 947 5 0.5%
Incl. CPU (microsecs)1,674 1,682 8 0.5%
Incl. CPU (microsecs) per call 2 2 0 0.5%
Excl. CPU (microsec)1,674 1,682 8 0.5%
Incl. MemUse (bytes)51,468 51,468 0 0.0%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)51,468 51,468 0 0.0%
Incl. PeakMemUse (bytes)20,252 20,252 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 0 0.0%
Excl. PeakMemUse (bytes)20,252 20,252 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% 5 0.4% 8 19.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 100.0% 8 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 5 100.0% 25 312.5% 0 N/A% 0 N/A%
text_summary0 N/A% -2 -40.0% -5 -62.5% 0 N/A% 0 N/A%
devel_silent0 N/A% 2 40.0% -3 -37.5% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 2 25.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 0 0.0% -15 -187.5% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% 6 75.0% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% -4 -50.0% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 12.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 3 37.5% 0 N/A% 0 N/A%
drupal_settings_initialize0 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 12.5% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% -2 -25.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 12.5% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 1 12.5% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 0 0.0% 2 25.0% 0 N/A% 0 N/A%