Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c642960e9a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #52c641a950046Run #52c642960e9a6DiffDiff%
Number of Function Calls184 184 0 0.0%
Incl. Wall Time (microsec)3,126 3,145 19 0.6%
Incl. Wall Time (microsec) per call 17 17 0 0.6%
Excl. Wall Time (microsec)1,653 1,651 -2 -0.1%
Incl. CPU (microsecs)3,312 3,315 3 0.1%
Incl. CPU (microsecs) per call 18 18 0 0.1%
Excl. CPU (microsec)1,275 1,257 -18 -1.4%
Incl. MemUse (bytes)33,000 33,024 24 0.1%
Incl. MemUse (bytes) per call 179 179 0 0.1%
Excl. MemUse (bytes)-411,672 -411,672 0 0.0%
Incl. PeakMemUse (bytes)321,272 321,304 32 0.0%
Incl. PeakMemUse (bytes) per call 1,746 1,746 0 0.0%
Excl. PeakMemUse (bytes)153,472 153,472 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% 19 0.6% 3 0.1% 24 0.1% 32 0.1%
Exclusive Metrics Diff for Current Function-2 -10.5% -18 -600.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% 22 115.8% 7 233.3% 16 66.7% 32 100.0%
Drupal\Component\Utility\Crypt::randomStringHashed0 N/A% -3 -15.8% -4 -133.3% 8 33.3% 0 0.0%
Child functions
substr0 N/A% 10 52.6% -1 -33.3% 8 33.3% 0 0.0%
fread0 N/A% 7 36.8% 7 233.3% 24 100.0% 16 50.0%
fopen0 N/A% 7 36.8% 6 200.0% 0 0.0% 0 0.0%
strlen0 N/A% -2 -10.5% 10 333.3% 0 0.0% 0 0.0%
getmypid0 N/A% -1 -5.3% -1 -33.3% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 0 0.0% -24 -100.0% 0 0.0%
print_r0 N/A% 0 0.0% 0 0.0% 16 66.7% 16 50.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%