Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050b464828: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51904f8640386Run #519050b464828DiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)30 28 -2 -6.7%
Incl. Wall Time (microsec) per call 0 0 -0 -6.7%
Excl. Wall Time (microsec)30 28 -2 -6.7%
Incl. CPU (microsecs)108 104 -4 -3.7%
Incl. CPU (microsecs) per call 1 1 -0 -3.7%
Excl. CPU (microsec)108 104 -4 -3.7%
Incl. MemUse (bytes)27,888 27,888 0 0.0%
Incl. MemUse (bytes) per call 382 382 0 0.0%
Excl. MemUse (bytes)27,888 27,888 0 0.0%
Incl. PeakMemUse (bytes)14,008 14,008 0 0.0%
Incl. PeakMemUse (bytes) per call 192 192 0 0.0%
Excl. PeakMemUse (bytes)14,008 14,008 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% -2 -2.2% -4 -0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% 2 100.0% 1 25.0% 0 N/A% 0 N/A%
theme@30 N/A% 1 50.0% -1 -25.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% -1 -50.0% 0 0.0% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% -1 -50.0% 2 50.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -50.0% -2 -50.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -50.0% -2 -50.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -50.0% -2 -50.0% 0 N/A% 0 N/A%
image_style_path_token0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -2 -50.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 3 75.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -2 -50.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 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%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%