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

Drupal\Component\Utility\Crypt::randomBytesRun #52d4b590e6e18Run #52d4b5e5ddba1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)712 746 34 4.8%
Incl. Wall Time (microsec) per call 712 746 34 4.8%
Excl. Wall Time (microsec)65 43 -22 -33.8%
Incl. CPU (microsecs)712 748 36 5.1%
Incl. CPU (microsecs) per call 712 748 36 5.1%
Excl. CPU (microsec)24 31 7 29.2%
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 Function-22 -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%