Diff Report
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981beb768ad: 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 #51981e3ae1e6cRun #51981beb768adDiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)762 767 5 0.7%
Incl. Wall Time (microsec) per call 95 96 1 0.7%
Excl. Wall Time (microsec)125 127 2 1.6%
Incl. CPU (microsecs)774 777 3 0.4%
Incl. CPU (microsecs) per call 97 97 0 0.4%
Excl. CPU (microsec)108 108 0 0.0%
Incl. MemUse (bytes)16,808 16,792 -16 -0.1%
Incl. MemUse (bytes) per call 2,101 2,099 -2 -0.1%
Excl. MemUse (bytes)-28,464 -28,480 -16 -0.1%
Incl. PeakMemUse (bytes)35,296 35,440 144 0.4%
Incl. PeakMemUse (bytes) per call 4,412 4,430 18 0.4%
Excl. PeakMemUse (bytes)9,088 9,240 152 1.7%

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 4.1% 3 0.6% -16 -0.0% 144 0.5%
Exclusive Metrics Diff for Current Function2 40.0% 0 0.0% -16 -100.0% 152 105.6%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 5 100.0% 3 100.0% -16 -100.0% 144 100.0%
Child functions
fopen0 N/A% 4 80.0% 4 133.3% 0 0.0% 0 0.0%
strlen0 N/A% -1 -20.0% 0 0.0% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% -1 -33.3% 0 0.0% -8 -5.6%
fread0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%