Diff Report
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #52c96dcbc5e6aRun #52c96d7c36f9eDiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)736 733 -3 -0.4%
Incl. Wall Time (microsec) per call 147 147 -1 -0.4%
Excl. Wall Time (microsec)77 95 18 23.4%
Incl. CPU (microsecs)742 737 -5 -0.7%
Incl. CPU (microsecs) per call 148 147 -1 -0.7%
Excl. CPU (microsec)63 72 9 14.3%
Incl. MemUse (bytes)15,432 15,408 -24 -0.2%
Incl. MemUse (bytes) per call 3,086 3,082 -5 -0.2%
Excl. MemUse (bytes)-16,864 -16,872 -8 -0.0%
Incl. PeakMemUse (bytes)49,280 49,256 -24 -0.0%
Incl. PeakMemUse (bytes) per call 9,856 9,851 -5 -0.0%
Excl. PeakMemUse (bytes)17,136 17,136 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% -3 -0.4% -5 -0.3% -24 -0.0% -24 -0.0%
Exclusive Metrics Diff for Current Function18 600.0% 9 180.0% -8 -33.3% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -3 -100.0% -5 -100.0% -24 -100.0% -24 -100.0%
Child functions
substr0 N/A% -18 -600.0% -14 -280.0% -16 -66.7% 0 0.0%
fopen0 N/A% -5 -166.7% -4 -80.0% 0 0.0% 0 0.0%
fread0 N/A% 3 100.0% 4 80.0% 0 0.0% -8 -33.3%
print_r0 N/A% -1 -33.3% 1 20.0% 0 0.0% -16 -66.7%
fclose0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 20.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -2 -40.0% 0 0.0% 0 0.0%