Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9459592df6: 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 #51a9459592df6DiffDiff%
Number of Function Calls59 59 0 0.0%
Incl. Wall Time (microsec)1,380 1,310 -70 -5.1%
Incl. Wall Time (microsec) per call 23 22 -1 -5.1%
Excl. Wall Time (microsec)579 521 -58 -10.0%
Incl. CPU (microsecs)1,443 1,361 -82 -5.7%
Incl. CPU (microsecs) per call 24 23 -1 -5.7%
Excl. CPU (microsec)561 484 -77 -13.7%
Incl. MemUse (bytes)20,448 20,472 24 0.1%
Incl. MemUse (bytes) per call 347 347 0 0.1%
Excl. MemUse (bytes)-209,264 -209,272 -8 -0.0%
Incl. PeakMemUse (bytes)59,408 46,512 -12,896 -21.7%
Incl. PeakMemUse (bytes) per call 1,007 788 -219 -21.7%
Excl. PeakMemUse (bytes)26,016 17,104 -8,912 -34.3%

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 Function-58 -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
substr0 N/A% -4 -5.7% 4 4.9% -16 -66.7% -4,024 -31.2%
print_r0 N/A% 0 0.0% 1 1.2% 24 100.0% 24 0.2%
fread0 N/A% 0 0.0% 0 0.0% 0 0.0% 16 0.1%
fclose0 N/A% -1 -1.4% 0 0.0% 0 0.0% 0 0.0%
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%
strlen0 N/A% -7 -10.0% -12 -14.6% 0 0.0% 0 0.0%