Diff Report
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ef09a47b3b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #518eee9367b5dRun #518ef09a47b3bDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)727 721 -6 -0.8%
Incl. Wall Time (microsec) per call 182 180 -2 -0.8%
Excl. Wall Time (microsec)95 89 -6 -6.3%
Incl. CPU (microsecs)732 726 -6 -0.8%
Incl. CPU (microsecs) per call 183 182 -2 -0.8%
Excl. CPU (microsec)80 74 -6 -7.5%
Incl. MemUse (bytes)16,456 16,464 8 0.0%
Incl. MemUse (bytes) per call 4,114 4,116 2 0.0%
Excl. MemUse (bytes)-12,568 -12,576 -8 -0.1%
Incl. PeakMemUse (bytes)42,152 42,160 8 0.0%
Incl. PeakMemUse (bytes) per call 10,538 10,540 2 0.0%
Excl. PeakMemUse (bytes)13,056 13,056 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% -6 -3.2% -6 -1.2% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function-6 -100.0% -6 -100.0% -8 -100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -6 -100.0% -6 -100.0% 8 100.0% 8 100.0%
Child functions
fread0 N/A% -2 -33.3% -4 -66.7% 0 0.0% -8 -100.0%
fclose0 N/A% -1 -16.7% 0 0.0% 0 0.0% 0 0.0%
substr0 N/A% 1 16.7% 1 16.7% 0 0.0% 0 0.0%
print_r0 N/A% 1 16.7% 3 50.0% 16 200.0% 16 200.0%
fopen0 N/A% 1 16.7% 0 0.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -3 -50.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 16.7% 0 0.0% 0 0.0%