Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3cd5c9c1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #5198b38f0f1d5Run #5198b3cd5c9c1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)663 664 1 0.2%
Incl. Wall Time (microsec) per call 663 664 1 0.2%
Excl. Wall Time (microsec)46 47 1 2.2%
Incl. CPU (microsecs)663 664 1 0.2%
Incl. CPU (microsecs) per call 663 664 1 0.2%
Excl. CPU (microsec)33 34 1 3.0%
Incl. MemUse (bytes)16,240 16,248 8 0.0%
Incl. MemUse (bytes) per call 16,240 16,248 8 0.0%
Excl. MemUse (bytes)-464 -464 0 0.0%
Incl. PeakMemUse (bytes)25,576 25,592 16 0.1%
Incl. PeakMemUse (bytes) per call 25,576 25,592 16 0.1%
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% 1 0.2% 1 0.4% 8 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function1 100.0% 1 100.0% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 1 100.0% 1 100.0% 8 100.0% 16 100.0%
Child functions
print_r0 N/A% 1 100.0% 1 100.0% 8 100.0% 8 50.0%
strlen0 N/A% -1 -100.0% 1 100.0% 0 0.0% 0 0.0%
fclose0 N/A% 1 100.0% -1 -100.0% 0 0.0% 0 0.0%
fread0 N/A% -1 -100.0% -2 -200.0% 0 0.0% 8 50.0%
substr0 N/A% 0 0.0% 2 200.0% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%
function_exists0 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% 0 0.0% 0 0.0% 0 0.0%