Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Uuid\Php::generate

Drupal\Component\Uuid\Php::generateRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)837 829 -8 -1.0%
Incl. Wall Time (microsec) per call 279 276 -3 -1.0%
Excl. Wall Time (microsec)100 99 -1 -1.0%
Incl. CPU (microsecs)840 831 -9 -1.1%
Incl. CPU (microsecs) per call 280 277 -3 -1.1%
Excl. CPU (microsec)60 59 -1 -1.7%
Incl. MemUse (bytes)23,384 23,392 8 0.0%
Incl. MemUse (bytes) per call 7,795 7,797 3 0.0%
Excl. MemUse (bytes)-120 -112 8 6.7%
Incl. PeakMemUse (bytes)43,456 43,504 48 0.1%
Incl. PeakMemUse (bytes) per call 14,485 14,501 16 0.1%
Excl. PeakMemUse (bytes)240 240 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Component\Uuid\Php::generate [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
Drupal\Component\Uuid\Php::generate0 N/A% -8 -0.1% -9 -0.1% 8 0.1% 48 0.4%
Exclusive Metrics Diff for Current Function-1 -12.5% -1 -11.1% 8 100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Uuid::generate0 N/A% -8 -100.0% -9 -100.0% 8 100.0% 48 100.0%
Child functions
drupal_random_bytes0 N/A% -7 -87.5% -7 -77.8% 8 100.0% 48 100.0%
sprintf0 N/A% 0 0.0% -3 -33.3% 0 0.0% 0 0.0%
base_convert0 N/A% 0 0.0% 1 11.1% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 2 22.2% -8 -100.0% 0 0.0%
hash0 N/A% 0 0.0% -1 -11.1% 0 0.0% 0 0.0%