Diff Report
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #520840a963a54: 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 #520840a963a54DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)717 668 -49 -6.8%
Incl. Wall Time (microsec) per call 717 668 -49 -6.8%
Excl. Wall Time (microsec)49 48 -1 -2.0%
Incl. CPU (microsecs)718 669 -49 -6.8%
Incl. CPU (microsecs) per call 718 669 -49 -6.8%
Excl. CPU (microsec)40 34 -6 -15.0%
Incl. MemUse (bytes)16,344 16,344 0 0.0%
Incl. MemUse (bytes) per call 16,344 16,344 0 0.0%
Excl. MemUse (bytes)-472 -472 0 0.0%
Incl. PeakMemUse (bytes)25,520 25,520 0 0.0%
Incl. PeakMemUse (bytes) per call 25,520 25,520 0 0.0%
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% -49 -45.4% -49 -27.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.0% -6 -12.2% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -49 -100.0% -49 -100.0% 0 N/A% 0 N/A%
Child functions
fread0 N/A% -40 -81.6% -38 -77.6% 0 N/A% 0 N/A%
fopen0 N/A% -3 -6.1% -4 -8.2% 0 N/A% 0 N/A%
print_r0 N/A% -2 -4.1% -1 -2.0% 0 N/A% 0 N/A%
fclose0 N/A% -1 -2.0% -1 -2.0% 0 N/A% 0 N/A%
max0 N/A% -1 -2.0% 2 4.1% 0 N/A% 0 N/A%
strlen0 N/A% -1 -2.0% -1 -2.0% 0 N/A% 0 N/A%
substr0 N/A% 0 0.0% -2 -4.1% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%