Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af430daedb2: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51af3d98520b7Run #51af430daedb2DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)776 780 4 0.5%
Incl. Wall Time (microsec) per call 97 98 1 0.5%
Excl. Wall Time (microsec)141 143 2 1.4%
Incl. CPU (microsecs)781 790 9 1.2%
Incl. CPU (microsecs) per call 98 99 1 1.2%
Excl. CPU (microsec)108 121 13 12.0%
Incl. MemUse (bytes)16,688 16,688 0 0.0%
Incl. MemUse (bytes) per call 2,086 2,086 0 0.0%
Excl. MemUse (bytes)-28,696 -28,696 0 0.0%
Incl. PeakMemUse (bytes)61,664 61,664 0 0.0%
Incl. PeakMemUse (bytes) per call 7,708 7,708 0 0.0%
Excl. PeakMemUse (bytes)17,504 17,504 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% 4 0.3% 9 0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 50.0% 13 144.4% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 4 100.0% 9 100.0% 0 N/A% 0 N/A%
Child functions
strlen0 N/A% 9 225.0% 7 77.8% 0 N/A% 0 N/A%
fopen0 N/A% -6 -150.0% -6 -66.7% 0 N/A% 0 N/A%
fread0 N/A% 3 75.0% 2 22.2% 0 N/A% 0 N/A%
substr0 N/A% -3 -75.0% -5 -55.6% 0 N/A% 0 N/A%
fclose0 N/A% -1 -25.0% 0 0.0% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
print_r0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%