Diff Report
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51ca5b0eb2b08Run #51ca5a4995c23DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)830 834 4 0.5%
Incl. Wall Time (microsec) per call 138 139 1 0.5%
Excl. Wall Time (microsec)152 149 -3 -2.0%
Incl. CPU (microsecs)836 843 7 0.8%
Incl. CPU (microsecs) per call 139 141 1 0.8%
Excl. CPU (microsec)126 139 13 10.3%
Incl. MemUse (bytes)16,792 16,840 48 0.3%
Incl. MemUse (bytes) per call 2,799 2,807 8 0.3%
Excl. MemUse (bytes)-20,568 -20,568 0 0.0%
Incl. PeakMemUse (bytes)63,216 63,160 -56 -0.1%
Incl. PeakMemUse (bytes) per call 10,536 10,527 -9 -0.1%
Excl. PeakMemUse (bytes)25,344 25,344 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 0.1% 7 0.3% 48 0.0% -56 -0.0%
Exclusive Metrics Diff for Current Function-3 -75.0% 13 185.7% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 4 100.0% 7 100.0% 48 100.0% -56 -100.0%
Child functions
fopen0 N/A% 5 125.0% 0 0.0% 16 33.3% 0 0.0%
substr0 N/A% 1 25.0% -5 -71.4% 0 0.0% 0 0.0%
fread0 N/A% -1 -25.0% -1 -14.3% 0 0.0% 56 100.0%
print_r0 N/A% 1 25.0% 1 14.3% -16 -33.3% -112 -200.0%
strlen0 N/A% 1 25.0% 1 14.3% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% -1 -14.3% 24 50.0% 0 0.0%
fclose0 N/A% 0 0.0% -2 -28.6% 8 16.7% 0 0.0%
function_exists0 N/A% 0 0.0% 1 14.3% 16 33.3% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%