Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)758 857 99 13.1%
Incl. Wall Time (microsec) per call 379 429 50 13.1%
Excl. Wall Time (microsec)83 97 14 16.9%
Incl. CPU (microsecs)762 861 99 13.0%
Incl. CPU (microsecs) per call 381 431 50 13.0%
Excl. CPU (microsec)57 69 12 21.1%
Incl. MemUse (bytes)17,016 17,064 48 0.3%
Incl. MemUse (bytes) per call 8,508 8,532 24 0.3%
Excl. MemUse (bytes)-4,504 -4,504 0 0.0%
Incl. PeakMemUse (bytes)33,992 34,040 48 0.1%
Incl. PeakMemUse (bytes) per call 16,996 17,020 24 0.1%
Excl. PeakMemUse (bytes)8,872 8,872 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% 99 36.1% 99 38.1% 48 300.0% 48 75.0%
Exclusive Metrics Diff for Current Function14 14.1% 12 12.1% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 99 100.0% 99 100.0% 48 100.0% 48 100.0%
Child functions
fread0 N/A% 58 58.6% 58 58.6% 0 0.0% -16 -33.3%
substr0 N/A% 16 16.2% 17 17.2% 0 0.0% 0 0.0%
fopen0 N/A% 6 6.1% 13 13.1% -16 -33.3% 0 0.0%
print_r0 N/A% 4 4.0% 3 3.0% 64 133.3% 64 133.3%
fclose0 N/A% 1 1.0% 1 1.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -3 -3.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% -2 -2.0% 0 0.0% 0 0.0%