Diff Report
Run #519fc26fe04d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519fc26fe04d9Run #519fbf2154a5eDiffDiff%
Number of Function Calls22 22 0 0.0%
Incl. Wall Time (microsec)3 1 -2 -66.7%
Incl. Wall Time (microsec) per call 0 0 -0 -66.7%
Excl. Wall Time (microsec)3 1 -2 -66.7%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)7,932 7,932 0 0.0%
Incl. MemUse (bytes) per call 361 361 0 0.0%
Excl. MemUse (bytes)7,932 7,932 0 0.0%
Incl. PeakMemUse (bytes)2,012 2,012 0 0.0%
Incl. PeakMemUse (bytes) per call 91 91 0 0.0%
Excl. PeakMemUse (bytes)2,012 2,012 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 -1.3% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -100.0% 0 N/A% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -2 -100.0% 0 N/A% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%