Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51a944519b58cRun #51a9457328375DiffDiff%
Number of Function Calls59 59 0 0.0%
Incl. Wall Time (microsec)1,380 1,435 55 4.0%
Incl. Wall Time (microsec) per call 23 24 1 4.0%
Excl. Wall Time (microsec)579 621 42 7.3%
Incl. CPU (microsecs)1,443 1,485 42 2.9%
Incl. CPU (microsecs) per call 24 25 1 2.9%
Excl. CPU (microsec)561 575 14 2.5%
Incl. MemUse (bytes)20,448 20,448 0 0.0%
Incl. MemUse (bytes) per call 347 347 0 0.0%
Excl. MemUse (bytes)-209,264 -209,264 0 0.0%
Incl. PeakMemUse (bytes)59,408 59,408 0 0.0%
Incl. PeakMemUse (bytes) per call 1,007 1,007 0 0.0%
Excl. PeakMemUse (bytes)26,016 26,016 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% 55 6.4% 42 4.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function42 76.4% 14 33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 55 100.0% 42 100.0% 0 N/A% 0 N/A%
Child functions
fread0 N/A% 10 18.2% 11 26.2% 0 N/A% 0 N/A%
substr0 N/A% 5 9.1% 17 40.5% 0 N/A% 0 N/A%
strlen0 N/A% -3 -5.5% -8 -19.0% 0 N/A% 0 N/A%
fopen0 N/A% 1 1.8% 1 2.4% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 1 2.4% 0 N/A% 0 N/A%
fclose0 N/A% 0 0.0% 1 2.4% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% 2 4.8% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% 2 4.8% 0 N/A% 0 N/A%
print_r0 N/A% 0 0.0% 1 2.4% 0 N/A% 0 N/A%