Diff Report
Run #519af4b90e33b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519af44245f83: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519af4b90e33bRun #519af44245f83DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)783 784 1 0.1%
Incl. Wall Time (microsec) per call 157 157 0 0.1%
Excl. Wall Time (microsec)127 123 -4 -3.1%
Incl. CPU (microsecs)790 792 2 0.3%
Incl. CPU (microsecs) per call 158 158 0 0.3%
Excl. CPU (microsec)105 106 1 1.0%
Incl. MemUse (bytes)16,720 16,752 32 0.2%
Incl. MemUse (bytes) per call 3,344 3,350 6 0.2%
Excl. MemUse (bytes)-16,584 -16,576 8 0.0%
Incl. PeakMemUse (bytes)44,664 44,688 24 0.1%
Incl. PeakMemUse (bytes) per call 8,933 8,938 5 0.1%
Excl. PeakMemUse (bytes)14,856 14,856 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% 1 0.0% 2 0.1% 32 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function-4 -400.0% 1 50.0% 8 25.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 1 100.0% 2 100.0% 32 100.0% 24 100.0%
Child functions
substr0 N/A% 4 400.0% 3 150.0% 0 0.0% -8 -33.3%
print_r0 N/A% 1 100.0% 0 0.0% -24 -75.0% -24 -100.0%
fread0 N/A% 0 0.0% -2 -100.0% 0 0.0% 56 233.3%
fclose0 N/A% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% -2 -100.0% 24 75.0% 0 0.0%
function_exists0 N/A% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 24 75.0% 0 0.0%
strlen0 N/A% 0 0.0% 1 50.0% 0 0.0% 0 0.0%