Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)755 740 -15 -2.0%
Incl. Wall Time (microsec) per call 252 247 -5 -2.0%
Excl. Wall Time (microsec)112 107 -5 -4.5%
Incl. CPU (microsecs)759 743 -16 -2.1%
Incl. CPU (microsecs) per call 253 248 -5 -2.1%
Excl. CPU (microsec)89 87 -2 -2.2%
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% -15 -0.4% -16 -15.5% 8 0.0% -4 -0.0%
Exclusive Metrics Diff for Current Function-5 -33.3% -2 -12.5% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -15 -100.0% -16 -100.0% 8 100.0% -4 -100.0%
Child functions
fopen0 N/A% -5 -33.3% -4 -25.0% 12 150.0% 0 0.0%
print_r0 N/A% -3 -20.0% -3 -18.8% -4 -50.0% -4 -100.0%
fclose0 N/A% -2 -13.3% -2 -12.5% 0 0.0% 0 0.0%
function_exists0 N/A% 1 6.7% 1 6.2% 0 0.0% 0 0.0%
fread0 N/A% -1 -6.7% -1 -6.2% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% -2 -12.5% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%