Diff Report
Run #521962a927d49: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #521962a927d49Run #5219624c55207DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)692 669 -23 -3.3%
Incl. Wall Time (microsec) per call 692 669 -23 -3.3%
Excl. Wall Time (microsec)51 45 -6 -11.8%
Incl. CPU (microsecs)694 671 -23 -3.3%
Incl. CPU (microsecs) per call 694 671 -23 -3.3%
Excl. CPU (microsec)41 31 -10 -24.4%
Incl. MemUse (bytes)16,280 16,248 -32 -0.2%
Incl. MemUse (bytes) per call 16,280 16,248 -32 -0.2%
Excl. MemUse (bytes)-448 -448 0 0.0%
Incl. PeakMemUse (bytes)25,464 25,408 -56 -0.2%
Incl. PeakMemUse (bytes) per call 25,464 25,408 -56 -0.2%
Excl. PeakMemUse (bytes)4,592 4,592 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% -23 -4.9% -23 -2.4% -32 -0.1% -56 -0.2%
Exclusive Metrics Diff for Current Function-6 -26.1% -10 -43.5% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -23 -100.0% -23 -100.0% -32 -100.0% -56 -100.0%
Child functions
fread0 N/A% -13 -56.5% -13 -56.5% 0 0.0% -32 -57.1%
fopen0 N/A% -3 -13.0% -3 -13.0% 0 0.0% 0 0.0%
strlen0 N/A% -1 -4.3% 1 4.3% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 1 4.3% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 4.3% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% -1 -4.3% -24 -75.0% -24 -42.9%
getmypid0 N/A% 0 0.0% 1 4.3% -8 -25.0% 0 0.0%