Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f219706e9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #5198f0bb880efRun #5198f219706e9DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)686 713 27 3.9%
Incl. Wall Time (microsec) per call 343 357 14 3.9%
Excl. Wall Time (microsec)61 90 29 47.5%
Incl. CPU (microsecs)689 716 27 3.9%
Incl. CPU (microsecs) per call 345 358 14 3.9%
Excl. CPU (microsec)49 75 26 53.1%
Incl. MemUse (bytes)16,392 16,392 0 0.0%
Incl. MemUse (bytes) per call 8,196 8,196 0 0.0%
Excl. MemUse (bytes)-4,504 -4,504 0 0.0%
Incl. PeakMemUse (bytes)33,960 33,960 0 0.0%
Incl. PeakMemUse (bytes) per call 16,980 16,980 0 0.0%
Excl. PeakMemUse (bytes)8,840 8,840 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% 27 58.7% 27 12.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function29 107.4% 26 96.3% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 27 100.0% 27 100.0% 0 N/A% 0 N/A%
Child functions
fread0 N/A% -1 -3.7% -2 -7.4% 0 N/A% 0 N/A%
fclose0 N/A% -1 -3.7% -1 -3.7% 0 N/A% 0 N/A%
substr0 N/A% 1 3.7% 2 7.4% 0 N/A% 0 N/A%
max0 N/A% -1 -3.7% 0 0.0% 0 N/A% 0 N/A%
fopen0 N/A% -1 -3.7% 0 0.0% 0 N/A% 0 N/A%
strlen0 N/A% 1 3.7% 1 3.7% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%
print_r0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%