Diff Report
Run #519ea91263307: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519ea884c38e9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519ea91263307Run #519ea884c38e9DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)705 725 20 2.8%
Incl. Wall Time (microsec) per call 235 242 7 2.8%
Excl. Wall Time (microsec)76 82 6 7.9%
Incl. CPU (microsecs)709 729 20 2.8%
Incl. CPU (microsecs) per call 236 243 7 2.8%
Excl. CPU (microsec)60 62 2 3.3%
Incl. MemUse (bytes)16,392 16,384 -8 -0.0%
Incl. MemUse (bytes) per call 5,464 5,461 -3 -0.0%
Excl. MemUse (bytes)-8,544 -8,552 -8 -0.1%
Incl. PeakMemUse (bytes)42,200 42,184 -16 -0.0%
Incl. PeakMemUse (bytes) per call 14,067 14,061 -5 -0.0%
Excl. PeakMemUse (bytes)13,072 13,072 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% 20 3.8% 20 5.1% -8 N/A% -16 N/A%
Exclusive Metrics Diff for Current Function6 30.0% 2 10.0% -8 -100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 20 100.0% 20 100.0% -8 -100.0% -16 -100.0%
Child functions
fread0 N/A% 15 75.0% 18 90.0% 0 0.0% -16 -100.0%
max0 N/A% -1 -5.0% 0 0.0% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% -2 -10.0% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 1 5.0% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% 1 5.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 5.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 5.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -3 -15.0% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% 1 5.0% 0 0.0% 0 0.0%