Diff Report
Run #51a9459592df6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51a9459592df6Run #51a944519b58cDiffDiff%
Number of Function Calls59 59 0 0.0%
Incl. Wall Time (microsec)1,310 1,380 70 5.3%
Incl. Wall Time (microsec) per call 22 23 1 5.3%
Excl. Wall Time (microsec)521 579 58 11.1%
Incl. CPU (microsecs)1,361 1,443 82 6.0%
Incl. CPU (microsecs) per call 23 24 1 6.0%
Excl. CPU (microsec)484 561 77 15.9%
Incl. MemUse (bytes)20,472 20,448 -24 -0.1%
Incl. MemUse (bytes) per call 347 347 -0 -0.1%
Excl. MemUse (bytes)-209,272 -209,264 8 0.0%
Incl. PeakMemUse (bytes)46,512 59,408 12,896 27.7%
Incl. PeakMemUse (bytes) per call 788 1,007 219 27.7%
Excl. PeakMemUse (bytes)17,104 26,016 8,912 52.1%

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% 70 0.7% 82 0.8% -24 -0.0% 12,896 10.2%
Exclusive Metrics Diff for Current Function58 82.9% 77 93.9% 8 33.3% 8,912 69.1%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 70 100.0% 82 100.0% -24 -100.0% 12,896 100.0%
Child functions
strlen0 N/A% 7 10.0% 12 14.6% 0 0.0% 0 0.0%
substr0 N/A% 4 5.7% -4 -4.9% 16 66.7% 4,024 31.2%
fclose0 N/A% 1 1.4% 0 0.0% 0 0.0% 0 0.0%
fread0 N/A% 0 0.0% 0 0.0% 0 0.0% -16 -0.1%
max0 N/A% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% -1 -1.2% -8 -33.3% 0 0.0%
getmypid0 N/A% 0 0.0% -2 -2.4% -16 -66.7% 0 0.0%
print_r0 N/A% 0 0.0% -1 -1.2% -24 -100.0% -24 -0.2%