Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5190217a23e77: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51901ff69a8a6Run #5190217a23e77DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)725 732 7 1.0%
Incl. Wall Time (microsec) per call 242 244 2 1.0%
Excl. Wall Time (microsec)79 80 1 1.3%
Incl. CPU (microsecs)728 736 8 1.1%
Incl. CPU (microsecs) per call 243 245 3 1.1%
Excl. CPU (microsec)65 68 3 4.6%
Incl. MemUse (bytes)16,392 16,424 32 0.2%
Incl. MemUse (bytes) per call 5,464 5,475 11 0.2%
Excl. MemUse (bytes)-8,544 -8,528 16 0.2%
Incl. PeakMemUse (bytes)42,224 42,232 8 0.0%
Incl. PeakMemUse (bytes) per call 14,075 14,077 3 0.0%
Excl. PeakMemUse (bytes)13,104 13,104 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% 7 3.3% 8 133.3% 32 0.1% 8 0.0%
Exclusive Metrics Diff for Current Function1 14.3% 3 37.5% 16 50.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 7 100.0% 8 100.0% 32 100.0% 8 100.0%
Child functions
substr0 N/A% 3 42.9% 3 37.5% 0 0.0% 0 0.0%
fread0 N/A% 2 28.6% 2 25.0% 0 0.0% -8 -100.0%
print_r0 N/A% 1 14.3% 1 12.5% 16 50.0% 16 200.0%
fclose0 N/A% 0 0.0% -1 -12.5% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 12.5% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% -1 -12.5% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%