Diff Report
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519d45fd795a4Run #519d44ffb3845DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)735 791 56 7.6%
Incl. Wall Time (microsec) per call 245 264 19 7.6%
Excl. Wall Time (microsec)108 119 11 10.2%
Incl. CPU (microsecs)740 796 56 7.6%
Incl. CPU (microsecs) per call 247 265 19 7.6%
Excl. CPU (microsec)82 93 11 13.4%
Incl. MemUse (bytes)11,252 11,260 8 0.1%
Incl. MemUse (bytes) per call 3,751 3,753 3 0.1%
Excl. MemUse (bytes)-10,348 -10,348 0 0.0%
Incl. PeakMemUse (bytes)58,788 58,784 -4 -0.0%
Incl. PeakMemUse (bytes) per call 19,596 19,595 -1 -0.0%
Excl. PeakMemUse (bytes)8,308 8,308 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% 56 0.1% 56 0.1% 8 0.0% -4 -0.0%
Exclusive Metrics Diff for Current Function11 19.6% 11 19.6% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 56 100.0% 56 100.0% 8 100.0% -4 -100.0%
Child functions
fread0 N/A% 18 32.1% 19 33.9% 0 0.0% 0 0.0%
fopen0 N/A% 17 30.4% 18 32.1% 12 150.0% 0 0.0%
fclose0 N/A% 4 7.1% 4 7.1% 0 0.0% 0 0.0%
print_r0 N/A% 4 7.1% 3 5.4% -4 -50.0% -4 -100.0%
substr0 N/A% 2 3.6% -2 -3.6% 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% 1 1.8% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% 2 3.6% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%