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

Drupal\Component\Utility\Crypt::randomBytesRun #5219624c55207Run #521962a927d49DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)669 692 23 3.4%
Incl. Wall Time (microsec) per call 669 692 23 3.4%
Excl. Wall Time (microsec)45 51 6 13.3%
Incl. CPU (microsecs)671 694 23 3.4%
Incl. CPU (microsecs) per call 671 694 23 3.4%
Excl. CPU (microsec)31 41 10 32.3%
Incl. MemUse (bytes)16,248 16,280 32 0.2%
Incl. MemUse (bytes) per call 16,248 16,280 32 0.2%
Excl. MemUse (bytes)-448 -448 0 0.0%
Incl. PeakMemUse (bytes)25,408 25,464 56 0.2%
Incl. PeakMemUse (bytes) per call 25,408 25,464 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 Function6 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%