Diff Report
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #52c8629919553Run #52c862ea26981DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)670 684 14 2.1%
Incl. Wall Time (microsec) per call 670 684 14 2.1%
Excl. Wall Time (microsec)48 51 3 6.2%
Incl. CPU (microsecs)671 685 14 2.1%
Incl. CPU (microsecs) per call 671 685 14 2.1%
Excl. CPU (microsec)21 27 6 28.6%
Incl. MemUse (bytes)19,216 19,232 16 0.1%
Incl. MemUse (bytes) per call 19,216 19,232 16 0.1%
Excl. MemUse (bytes)-744 -744 0 0.0%
Incl. PeakMemUse (bytes)28,520 28,536 16 0.1%
Incl. PeakMemUse (bytes) per call 28,520 28,536 16 0.1%
Excl. PeakMemUse (bytes)4,584 4,584 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% 14 21.9% 14 7.9% 16 0.1% 16 0.1%
Exclusive Metrics Diff for Current Function3 21.4% 6 42.9% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 14 100.0% 14 100.0% 16 100.0% 16 100.0%
Child functions
fopen0 N/A% 6 42.9% 5 35.7% 0 0.0% 0 0.0%
fread0 N/A% 4 28.6% 3 21.4% 0 0.0% 0 0.0%
fclose0 N/A% 1 7.1% -1 -7.1% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% 2 14.3% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% 1 7.1% 16 100.0% 16 100.0%
getmypid0 N/A% 0 0.0% -2 -14.3% 0 0.0% 0 0.0%