Diff Report
Run #518ef09a47b3b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #518ef09a47b3bRun #518eee9367b5dDiffDiff%
Number of Function Calls80 76 -4 -5.0%
Incl. Wall Time (microsec)25 27 2 8.0%
Incl. Wall Time (microsec) per call 0 0 0 13.7%
Excl. Wall Time (microsec)25 27 2 8.0%
Incl. CPU (microsecs)113 107 -6 -5.3%
Incl. CPU (microsecs) per call 1 1 -0 -0.3%
Excl. CPU (microsec)113 107 -6 -5.3%
Incl. MemUse (bytes)30,664 30,496 -168 -0.5%
Incl. MemUse (bytes) per call 383 401 18 4.7%
Excl. MemUse (bytes)30,664 30,496 -168 -0.5%
Incl. PeakMemUse (bytes)14,384 14,384 0 0.0%
Incl. PeakMemUse (bytes) per call 180 189 9 5.3%
Excl. PeakMemUse (bytes)14,384 14,384 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
substr-4 -100.0% 2 1.1% -6 -1.2% -168 -0.5% 0 0.0%
Exclusive Metrics Diff for Current Function2 100.0% -6 -100.0% -168 -100.0% 0 N/A%
Parent functions
theme@20 0.0% 2 100.0% 3 50.0% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% -1 -50.0% -6 -100.0% -168 -100.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 1 50.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 1 50.0% -1 -16.7% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -1 -50.0% -1 -16.7% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 3 50.0% 0 0.0% 0 N/A%
theme@30 0.0% 0 0.0% 1 16.7% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -6 -100.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 2 33.3% 0 0.0% 0 N/A%