Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3b171080: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #5198b38f0f1d5Run #5198b3b171080DiffDiff%
Number of Function Calls26 26 0 0.0%
Incl. Wall Time (microsec)10 8 -2 -20.0%
Incl. Wall Time (microsec) per call 0 0 -0 -20.0%
Excl. Wall Time (microsec)10 8 -2 -20.0%
Incl. CPU (microsecs)38 39 1 2.6%
Incl. CPU (microsecs) per call 1 2 0 2.6%
Excl. CPU (microsec)38 39 1 2.6%
Incl. MemUse (bytes)12,824 12,824 0 0.0%
Incl. MemUse (bytes) per call 493 493 0 0.0%
Excl. MemUse (bytes)12,824 12,824 0 0.0%
Incl. PeakMemUse (bytes)4,368 4,368 0 0.0%
Incl. PeakMemUse (bytes) per call 168 168 0 0.0%
Excl. PeakMemUse (bytes)4,368 4,368 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 -4.8% 1 1.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -100.0% 1 100.0% 0 N/A% 0 N/A%
Parent functions
theme@20 N/A% -1 -50.0% -2 -200.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% -1 -50.0% 1 100.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -3 -300.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 2 200.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 3 300.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%