Diff Report
Run #519b182c941bf: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519b1908c212c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519b182c941bfRun #519b1908c212cDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)732 739 7 1.0%
Incl. Wall Time (microsec) per call 244 246 2 1.0%
Excl. Wall Time (microsec)88 91 3 3.4%
Incl. CPU (microsecs)737 742 5 0.7%
Incl. CPU (microsecs) per call 246 247 2 0.7%
Excl. CPU (microsec)77 76 -1 -1.3%
Incl. MemUse (bytes)16,608 16,592 -16 -0.1%
Incl. MemUse (bytes) per call 5,536 5,531 -5 -0.1%
Excl. MemUse (bytes)-8,544 -8,544 0 0.0%
Incl. PeakMemUse (bytes)38,520 38,496 -24 -0.1%
Incl. PeakMemUse (bytes) per call 12,840 12,832 -8 -0.1%
Excl. PeakMemUse (bytes)12,840 12,840 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% 7 0.0% 5 0.0% -16 -0.0% -24 -0.0%
Exclusive Metrics Diff for Current Function3 42.9% -1 -20.0% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 7 100.0% 5 100.0% -16 -100.0% -24 -100.0%
Child functions
substr0 N/A% 2 28.6% 4 80.0% 0 0.0% 0 0.0%
fread0 N/A% 1 14.3% 1 20.0% 0 0.0% -40 -166.7%
print_r0 N/A% -1 -14.3% 0 0.0% 16 100.0% 16 66.7%
fopen0 N/A% 1 14.3% 0 0.0% -32 -200.0% 0 0.0%
getmypid0 N/A% 1 14.3% -1 -20.0% -24 -150.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 20.0% 16 100.0% 0 0.0%
fclose0 N/A% 0 0.0% 0 0.0% 8 50.0% 0 0.0%
strlen0 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%