Diff Report
Run #518eefcaea15f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #518eefcaea15fRun #518eee9367b5dDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)742 727 -15 -2.0%
Incl. Wall Time (microsec) per call 186 182 -4 -2.0%
Excl. Wall Time (microsec)91 95 4 4.4%
Incl. CPU (microsecs)746 732 -14 -1.9%
Incl. CPU (microsecs) per call 187 183 -4 -1.9%
Excl. CPU (microsec)74 80 6 8.1%
Incl. MemUse (bytes)16,448 16,456 8 0.0%
Incl. MemUse (bytes) per call 4,112 4,114 2 0.0%
Excl. MemUse (bytes)-12,576 -12,568 8 0.1%
Incl. PeakMemUse (bytes)42,144 42,152 8 0.0%
Incl. PeakMemUse (bytes) per call 10,536 10,538 2 0.0%
Excl. PeakMemUse (bytes)13,056 13,056 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% -15 -22.7% -14 -1.6% 8 N/A% 8 N/A%
Exclusive Metrics Diff for Current Function4 26.7% 6 42.9% 8 100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -15 -100.0% -14 -100.0% 8 100.0% 8 100.0%
Child functions
fread0 N/A% -17 -113.3% -16 -114.3% 0 0.0% 8 100.0%
print_r0 N/A% -1 -6.7% -1 -7.1% 0 0.0% 0 0.0%
strlen0 N/A% -1 -6.7% 1 7.1% 0 0.0% 0 0.0%
max0 N/A% -1 -6.7% 0 0.0% 0 0.0% 0 0.0%
substr0 N/A% 1 6.7% -1 -7.1% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% -1 -7.1% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% -1 -7.1% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% -1 -7.1% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%