Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050cbdc201: 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 #51904f8640386Run #519050cbdc201DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)699 694 -5 -0.7%
Incl. Wall Time (microsec) per call 233 231 -2 -0.7%
Excl. Wall Time (microsec)72 73 1 1.4%
Incl. CPU (microsecs)702 697 -5 -0.7%
Incl. CPU (microsecs) per call 234 232 -2 -0.7%
Excl. CPU (microsec)59 54 -5 -8.5%
Incl. MemUse (bytes)16,384 16,392 8 0.0%
Incl. MemUse (bytes) per call 5,461 5,464 3 0.0%
Excl. MemUse (bytes)-8,544 -8,552 -8 -0.1%
Incl. PeakMemUse (bytes)42,184 42,192 8 0.0%
Incl. PeakMemUse (bytes) per call 14,061 14,064 3 0.0%
Excl. PeakMemUse (bytes)13,072 13,072 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% -5 -0.4% -5 -0.3% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function1 20.0% -5 -100.0% -8 -100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -5 -100.0% -5 -100.0% 8 100.0% 8 100.0%
Child functions
fread0 N/A% -4 -80.0% -5 -100.0% 0 0.0% -8 -100.0%
substr0 N/A% -1 -20.0% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 1 20.0% 2 40.0% 16 200.0% 16 200.0%
fopen0 N/A% -1 -20.0% -1 -20.0% 0 0.0% 0 0.0%
strlen0 N/A% -1 -20.0% 1 20.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 20.0% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 20.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 20.0% 0 0.0% 0 0.0%