Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519d9cf28420eRun #519d9d94433aaDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)671 691 20 3.0%
Incl. Wall Time (microsec) per call 224 230 7 3.0%
Excl. Wall Time (microsec)71 76 5 7.0%
Incl. CPU (microsecs)673 697 24 3.6%
Incl. CPU (microsecs) per call 224 232 8 3.6%
Excl. CPU (microsec)57 67 10 17.5%
Incl. MemUse (bytes)16,328 16,432 104 0.6%
Incl. MemUse (bytes) per call 5,443 5,477 35 0.6%
Excl. MemUse (bytes)-8,736 -8,712 24 0.3%
Incl. PeakMemUse (bytes)40,336 40,384 48 0.1%
Incl. PeakMemUse (bytes) per call 13,445 13,461 16 0.1%
Excl. PeakMemUse (bytes)8,432 8,432 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 0.8% 24 2.5% 104 0.1% 48 0.1%
Exclusive Metrics Diff for Current Function5 25.0% 10 41.7% 24 23.1% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 20 100.0% 24 100.0% 104 100.0% 48 100.0%
Child functions
fread0 N/A% 17 85.0% 17 70.8% 16 15.4% 0 0.0%
substr0 N/A% -3 -15.0% -2 -8.3% 0 0.0% 0 0.0%
print_r0 N/A% 1 5.0% 0 0.0% 32 30.8% 48 100.0%
fclose0 N/A% 0 0.0% -1 -4.2% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 4.2% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% 1 4.2% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% -1 -4.2% 16 15.4% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 16 15.4% 0 0.0%
strlen0 N/A% 0 0.0% -1 -4.2% 0 0.0% 0 0.0%