Diff Report
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51981beb768adRun #51981e3ae1e6cDiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)767 762 -5 -0.7%
Incl. Wall Time (microsec) per call 96 95 -1 -0.7%
Excl. Wall Time (microsec)127 125 -2 -1.6%
Incl. CPU (microsecs)777 774 -3 -0.4%
Incl. CPU (microsecs) per call 97 97 -0 -0.4%
Excl. CPU (microsec)108 108 0 0.0%
Incl. MemUse (bytes)16,792 16,808 16 0.1%
Incl. MemUse (bytes) per call 2,099 2,101 2 0.1%
Excl. MemUse (bytes)-28,480 -28,464 16 0.1%
Incl. PeakMemUse (bytes)35,440 35,296 -144 -0.4%
Incl. PeakMemUse (bytes) per call 4,430 4,412 -18 -0.4%
Excl. PeakMemUse (bytes)9,240 9,088 -152 -1.6%

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 -4.1% -3 -0.6% 16 0.0% -144 -0.5%
Exclusive Metrics Diff for Current Function-2 -40.0% 0 0.0% 16 100.0% -152 -105.6%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -5 -100.0% -3 -100.0% 16 100.0% -144 -100.0%
Child functions
fopen0 N/A% -4 -80.0% -4 -133.3% 0 0.0% 0 0.0%
strlen0 N/A% 1 20.0% 0 0.0% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 1 33.3% 0 0.0% 8 5.6%
fread0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 33.3% 0 0.0% 0 0.0%