Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #519be9a13e594Run #519bea9000214DiffDiff%
Number of Function Calls926 930 4 0.4%
Incl. Wall Time (microsec)942 947 5 0.5%
Incl. Wall Time (microsec) per call 1 1 0 0.1%
Excl. Wall Time (microsec)942 947 5 0.5%
Incl. CPU (microsecs)1,674 1,705 31 1.9%
Incl. CPU (microsecs) per call 2 2 0 1.4%
Excl. CPU (microsec)1,674 1,705 31 1.9%
Incl. MemUse (bytes)51,468 51,580 112 0.2%
Incl. MemUse (bytes) per call 56 55 -0 -0.2%
Excl. MemUse (bytes)51,468 51,580 112 0.2%
Incl. PeakMemUse (bytes)20,252 20,252 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 -0 -0.4%
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
substr4 100.0% 5 0.1% 31 1.3% 112 0.4% 0 0.0%
Exclusive Metrics Diff for Current Function5 100.0% 31 100.0% 112 100.0% 0 N/A%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 4 80.0% 7 22.6% 116 103.6% 0 N/A%
devel_silent0 0.0% 2 40.0% -1 -3.2% 0 0.0% 0 N/A%
request_path0 0.0% 1 20.0% 1 3.2% 0 0.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -1 -20.0% 30 96.8% 0 0.0% 0 N/A%
text_summary0 0.0% -1 -20.0% -5 -16.1% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 2 6.5% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -1 -3.2% 0 0.0% 0 N/A%
url0 0.0% 0 0.0% 1 3.2% 0 0.0% 0 N/A%
theme@40 0.0% 0 0.0% 1 3.2% 0 0.0% 0 N/A%
image_style_path_token0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
file_uri_scheme0 0.0% 0 0.0% -1 -3.2% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% -2 -6.5% -4 -3.6% 0 N/A%
theme@10 0.0% 0 0.0% 1 3.2% 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%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 2 6.5% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -3 -9.7% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -3 -9.7% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 3.2% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 0.0% -1 -3.2% 0 0.0% 0 N/A%
contextual_custom_theme0 0.0% 0 0.0% -1 -3.2% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% 3 9.7% 0 0.0% 0 N/A%