Diff Report
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519c1681d41e5Run #519c153c76aa0DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)681 675 -6 -0.9%
Incl. Wall Time (microsec) per call 227 225 -2 -0.9%
Excl. Wall Time (microsec)73 74 1 1.4%
Incl. CPU (microsecs)685 679 -6 -0.9%
Incl. CPU (microsecs) per call 228 226 -2 -0.9%
Excl. CPU (microsec)58 64 6 10.3%
Incl. MemUse (bytes)16,376 16,328 -48 -0.3%
Incl. MemUse (bytes) per call 5,459 5,443 -16 -0.3%
Excl. MemUse (bytes)-8,720 -8,736 -16 -0.2%
Incl. PeakMemUse (bytes)40,416 40,352 -64 -0.2%
Incl. PeakMemUse (bytes) per call 13,472 13,451 -21 -0.2%
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% -6 -0.2% -6 -0.2% -48 -0.1% -64 -0.1%
Exclusive Metrics Diff for Current Function1 16.7% 6 100.0% -16 -33.3% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -6 -100.0% -6 -100.0% -48 -100.0% -64 -100.0%
Child functions
substr0 N/A% -10 -166.7% -12 -200.0% 24 50.0% 0 0.0%
fread0 N/A% 2 33.3% 2 33.3% -16 -33.3% 0 0.0%
print_r0 N/A% -1 -16.7% 0 0.0% -24 -50.0% -64 -100.0%
fclose0 N/A% 1 16.7% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 1 16.7% 0 0.0% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% -1 -16.7% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% -16 -33.3% 0 0.0%
max0 N/A% 0 0.0% -1 -16.7% 0 0.0% 0 0.0%