Diff Report
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96dcbc5e6a: 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 #52c96d7c36f9eRun #52c96dcbc5e6aDiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)733 736 3 0.4%
Incl. Wall Time (microsec) per call 147 147 1 0.4%
Excl. Wall Time (microsec)95 77 -18 -18.9%
Incl. CPU (microsecs)737 742 5 0.7%
Incl. CPU (microsecs) per call 147 148 1 0.7%
Excl. CPU (microsec)72 63 -9 -12.5%
Incl. MemUse (bytes)15,408 15,432 24 0.2%
Incl. MemUse (bytes) per call 3,082 3,086 5 0.2%
Excl. MemUse (bytes)-16,872 -16,864 8 0.0%
Incl. PeakMemUse (bytes)49,256 49,280 24 0.0%
Incl. PeakMemUse (bytes) per call 9,851 9,856 5 0.0%
Excl. PeakMemUse (bytes)17,136 17,136 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% 3 0.4% 5 0.3% 24 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function-18 -600.0% -9 -180.0% 8 33.3% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 3 100.0% 5 100.0% 24 100.0% 24 100.0%
Child functions
substr0 N/A% 18 600.0% 14 280.0% 16 66.7% 0 0.0%
fopen0 N/A% 5 166.7% 4 80.0% 0 0.0% 0 0.0%
fread0 N/A% -3 -100.0% -4 -80.0% 0 0.0% 8 33.3%
print_r0 N/A% 1 33.3% -1 -20.0% 0 0.0% 16 66.7%
fclose0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -1 -20.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% 2 40.0% 0 0.0% 0 0.0%