Diff Report
Run #51990ceb6ce00: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990c6b6ce43: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51990ceb6ce00Run #51990c6b6ce43DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)718 722 4 0.6%
Incl. Wall Time (microsec) per call 718 722 4 0.6%
Excl. Wall Time (microsec)47 48 1 2.1%
Incl. CPU (microsecs)719 723 4 0.6%
Incl. CPU (microsecs) per call 719 723 4 0.6%
Excl. CPU (microsec)31 36 5 16.1%
Incl. MemUse (bytes)16,280 16,312 32 0.2%
Incl. MemUse (bytes) per call 16,280 16,312 32 0.2%
Excl. MemUse (bytes)-448 -448 0 0.0%
Incl. PeakMemUse (bytes)25,624 25,600 -24 -0.1%
Incl. PeakMemUse (bytes) per call 25,624 25,600 -24 -0.1%
Excl. PeakMemUse (bytes)4,592 4,592 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\Crypt::randomBytes [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\Utility\Crypt::randomBytes0 N/A% 4 0.9% 4 0.3% 32 0.1% -24 -0.1%
Exclusive Metrics Diff for Current Function1 25.0% 5 125.0% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 4 100.0% 4 100.0% 32 100.0% -24 -100.0%
Child functions
fopen0 N/A% 4 100.0% 6 150.0% 0 0.0% 0 0.0%
fread0 N/A% -1 -25.0% -1 -25.0% 0 0.0% -16 -66.7%
fclose0 N/A% 0 0.0% -1 -25.0% 16 50.0% 0 0.0%
substr0 N/A% 0 0.0% -1 -25.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% -1 -25.0% -8 -25.0% -8 -33.3%
getmypid0 N/A% 0 0.0% -1 -25.0% 24 75.0% 0 0.0%
strlen0 N/A% 0 0.0% -1 -25.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% -1 -25.0% 0 0.0% 0 0.0%