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

Drupal\Component\Utility\Crypt::randomBytesRun #52c862ea26981Run #52c8629919553DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)684 670 -14 -2.0%
Incl. Wall Time (microsec) per call 684 670 -14 -2.0%
Excl. Wall Time (microsec)51 48 -3 -5.9%
Incl. CPU (microsecs)685 671 -14 -2.0%
Incl. CPU (microsecs) per call 685 671 -14 -2.0%
Excl. CPU (microsec)27 21 -6 -22.2%
Incl. MemUse (bytes)19,232 19,216 -16 -0.1%
Incl. MemUse (bytes) per call 19,232 19,216 -16 -0.1%
Excl. MemUse (bytes)-744 -744 0 0.0%
Incl. PeakMemUse (bytes)28,536 28,520 -16 -0.1%
Incl. PeakMemUse (bytes) per call 28,536 28,520 -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 Function-3 -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%