Diff Report
Run #52d4b5e5ddba1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #52d4b5e5ddba1Run #52d4b590e6e18DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)746 712 -34 -4.6%
Incl. Wall Time (microsec) per call 746 712 -34 -4.6%
Excl. Wall Time (microsec)43 65 22 51.2%
Incl. CPU (microsecs)748 712 -36 -4.8%
Incl. CPU (microsecs) per call 748 712 -36 -4.8%
Excl. CPU (microsec)31 24 -7 -22.6%
Incl. MemUse (bytes)15,088 15,088 0 0.0%
Incl. MemUse (bytes) per call 15,088 15,088 0 0.0%
Excl. MemUse (bytes)-760 -760 0 0.0%
Incl. PeakMemUse (bytes)25,080 25,080 0 0.0%
Incl. PeakMemUse (bytes) per call 25,080 25,080 0 0.0%
Excl. PeakMemUse (bytes)4,680 4,680 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% -34 -11.6% -36 -10.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function22 64.7% -7 -19.4% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -34 -100.0% -36 -100.0% 0 N/A% 0 N/A%
Child functions
fread0 N/A% -56 -164.7% -56 -155.6% 0 N/A% 0 N/A%
fopen0 N/A% 3 8.8% 2 5.6% 0 N/A% 0 N/A%
print_r0 N/A% -2 -5.9% -1 -2.8% 0 N/A% 0 N/A%
strlen0 N/A% -1 -2.9% 2 5.6% 0 N/A% 0 N/A%
substr0 N/A% 0 0.0% -1 -2.8% 0 N/A% 0 N/A%
fclose0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% 24 66.7% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% 1 2.8% 0 N/A% 0 N/A%