Diff Report
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #520840e157983: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #5208407650493Run #520840e157983DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)717 671 -46 -6.4%
Incl. Wall Time (microsec) per call 717 671 -46 -6.4%
Excl. Wall Time (microsec)49 48 -1 -2.0%
Incl. CPU (microsecs)718 671 -47 -6.5%
Incl. CPU (microsecs) per call 718 671 -47 -6.5%
Excl. CPU (microsec)40 35 -5 -12.5%
Incl. MemUse (bytes)16,344 16,400 56 0.3%
Incl. MemUse (bytes) per call 16,344 16,400 56 0.3%
Excl. MemUse (bytes)-472 -464 8 1.7%
Incl. PeakMemUse (bytes)25,520 25,576 56 0.2%
Incl. PeakMemUse (bytes) per call 25,520 25,576 56 0.2%
Excl. PeakMemUse (bytes)4,592 4,592 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% -46 -19.6% -47 -5.3% 56 0.2% 56 0.2%
Exclusive Metrics Diff for Current Function-1 -2.2% -5 -10.6% 8 14.3% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -46 -100.0% -47 -100.0% 56 100.0% 56 100.0%
Child functions
fread0 N/A% -37 -80.4% -36 -76.6% 0 0.0% 24 42.9%
fopen0 N/A% -4 -8.7% -4 -8.5% 16 28.6% 0 0.0%
fclose0 N/A% -1 -2.2% -1 -2.1% 0 0.0% 0 0.0%
print_r0 N/A% -1 -2.2% -1 -2.1% 32 57.1% 32 57.1%
max0 N/A% -1 -2.2% 1 2.1% 0 0.0% 0 0.0%
strlen0 N/A% -1 -2.2% -1 -2.1% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% -1 -2.1% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 2.1% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%