Diff Report
Run #519ea984d991e: 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 #519ea984d991eRun #519ea884c38e9DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)707 725 18 2.5%
Incl. Wall Time (microsec) per call 236 242 6 2.5%
Excl. Wall Time (microsec)78 82 4 5.1%
Incl. CPU (microsecs)711 729 18 2.5%
Incl. CPU (microsecs) per call 237 243 6 2.5%
Excl. CPU (microsec)62 62 0 0.0%
Incl. MemUse (bytes)16,400 16,384 -16 -0.1%
Incl. MemUse (bytes) per call 5,467 5,461 -5 -0.1%
Excl. MemUse (bytes)-8,552 -8,552 0 0.0%
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% 18 0.1% 18 0.1% -16 -0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function4 22.2% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 18 100.0% 18 100.0% -16 -100.0% -16 -100.0%
Child functions
fread0 N/A% 14 77.8% 16 88.9% 0 0.0% 0 0.0%
fclose0 N/A% 1 5.6% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% -1 -5.6% 1 5.6% -16 -100.0% -16 -100.0%
fopen0 N/A% 1 5.6% 1 5.6% 0 0.0% 0 0.0%
strlen0 N/A% -1 -5.6% -1 -5.6% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 5.6% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 5.6% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -1 -5.6% 0 0.0% 0 0.0%