Diff Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51af435181b2eRun #51af3d98520b7DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)786 776 -10 -1.3%
Incl. Wall Time (microsec) per call 98 97 -1 -1.3%
Excl. Wall Time (microsec)147 141 -6 -4.1%
Incl. CPU (microsecs)793 781 -12 -1.5%
Incl. CPU (microsecs) per call 99 98 -2 -1.5%
Excl. CPU (microsec)124 108 -16 -12.9%
Incl. MemUse (bytes)16,712 16,688 -24 -0.1%
Incl. MemUse (bytes) per call 2,089 2,086 -3 -0.1%
Excl. MemUse (bytes)-28,688 -28,696 -8 -0.0%
Incl. PeakMemUse (bytes)61,664 61,664 0 0.0%
Incl. PeakMemUse (bytes) per call 7,708 7,708 0 0.0%
Excl. PeakMemUse (bytes)17,504 17,504 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% -10 -1.3% -12 -1.3% -24 -0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -60.0% -16 -133.3% -8 -33.3% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -10 -100.0% -12 -100.0% -24 -100.0% 0 N/A%
Child functions
fread0 N/A% -17 -170.0% -15 -125.0% -8 -33.3% 0 N/A%
substr0 N/A% 9 90.0% 10 83.3% 0 0.0% 0 N/A%
fopen0 N/A% 6 60.0% 6 50.0% 0 0.0% 0 N/A%
strlen0 N/A% -2 -20.0% 2 16.7% 0 0.0% 0 N/A%
print_r0 N/A% -1 -10.0% 0 0.0% 0 0.0% 0 N/A%
fclose0 N/A% 1 10.0% 1 8.3% -16 -66.7% 0 N/A%
function_exists0 N/A% 0 0.0% -1 -8.3% 8 33.3% 0 N/A%
max0 N/A% 0 0.0% 1 8.3% 0 0.0% 0 N/A%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 N/A%