Diff Report
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51aaed996e9e3Run #51aaed0fcbd4eDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)706 711 5 0.7%
Incl. Wall Time (microsec) per call 235 237 2 0.7%
Excl. Wall Time (microsec)77 80 3 3.9%
Incl. CPU (microsecs)712 714 2 0.3%
Incl. CPU (microsecs) per call 237 238 1 0.3%
Excl. CPU (microsec)69 65 -4 -5.8%
Incl. MemUse (bytes)16,520 16,480 -40 -0.2%
Incl. MemUse (bytes) per call 5,507 5,493 -13 -0.2%
Excl. MemUse (bytes)-8,528 -8,544 -16 -0.2%
Incl. PeakMemUse (bytes)38,280 38,264 -16 -0.0%
Incl. PeakMemUse (bytes) per call 12,760 12,755 -5 -0.0%
Excl. PeakMemUse (bytes)12,888 12,888 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% 5 0.7% 2 0.4% -40 -0.1% -16 -0.0%
Exclusive Metrics Diff for Current Function3 60.0% -4 -200.0% -16 -40.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 5 100.0% 2 100.0% -40 -100.0% -16 -100.0%
Child functions
fopen0 N/A% 4 80.0% 5 250.0% 8 20.0% 0 0.0%
fread0 N/A% -1 -20.0% -1 -50.0% 0 0.0% 0 0.0%
fclose0 N/A% -1 -20.0% 0 0.0% -24 -60.0% 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%
print_r0 N/A% 0 0.0% 0 0.0% -16 -40.0% -16 -100.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% 1 50.0% 8 20.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 50.0% 0 0.0% 0 0.0%