Diff Report
Run #519de8fbb9479: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de9d0c2818: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519de8fbb9479Run #519de9d0c2818DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)723 756 33 4.6%
Incl. Wall Time (microsec) per call 241 252 11 4.6%
Excl. Wall Time (microsec)90 78 -12 -13.3%
Incl. CPU (microsecs)726 760 34 4.7%
Incl. CPU (microsecs) per call 242 253 11 4.7%
Excl. CPU (microsec)64 59 -5 -7.8%
Incl. MemUse (bytes)16,384 16,400 16 0.1%
Incl. MemUse (bytes) per call 5,461 5,467 5 0.1%
Excl. MemUse (bytes)-8,552 -8,552 0 0.0%
Incl. PeakMemUse (bytes)42,184 42,200 16 0.0%
Incl. PeakMemUse (bytes) per call 14,061 14,067 5 0.0%
Excl. PeakMemUse (bytes)13,072 13,072 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% 33 0.1% 34 0.1% 16 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function-12 -36.4% -5 -14.7% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 33 100.0% 34 100.0% 16 100.0% 16 100.0%
Child functions
fread0 N/A% 49 148.5% 50 147.1% 0 0.0% 0 0.0%
substr0 N/A% -4 -12.1% -3 -8.8% 0 0.0% 0 0.0%
print_r0 N/A% -1 -3.0% -2 -5.9% 16 100.0% 16 100.0%
fclose0 N/A% 1 3.0% 2 5.9% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -2 -5.9% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% -1 -2.9% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% -2 -5.9% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -3 -8.8% 0 0.0% 0 0.0%