Diff Report
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1e3aba264: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #523f1dee40c1aRun #523f1e3aba264DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)677 692 15 2.2%
Incl. Wall Time (microsec) per call 677 692 15 2.2%
Excl. Wall Time (microsec)52 56 4 7.7%
Incl. CPU (microsecs)679 693 14 2.1%
Incl. CPU (microsecs) per call 679 693 14 2.1%
Excl. CPU (microsec)39 32 -7 -17.9%
Incl. MemUse (bytes)16,264 16,264 0 0.0%
Incl. MemUse (bytes) per call 16,264 16,264 0 0.0%
Excl. MemUse (bytes)-472 -472 0 0.0%
Incl. PeakMemUse (bytes)25,192 25,192 0 0.0%
Incl. PeakMemUse (bytes) per call 25,192 25,192 0 0.0%
Excl. PeakMemUse (bytes)4,592 4,592 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 1.5% 14 7.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 26.7% -7 -50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 15 100.0% 14 100.0% 0 N/A% 0 N/A%
Child functions
fread0 N/A% 8 53.3% 9 64.3% 0 N/A% 0 N/A%
fopen0 N/A% 4 26.7% 5 35.7% 0 N/A% 0 N/A%
print_r0 N/A% -1 -6.7% 0 0.0% 0 N/A% 0 N/A%
fclose0 N/A% 0 0.0% 1 7.1% 0 N/A% 0 N/A%
substr0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 4 28.6% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
strlen0 N/A% 0 0.0% 1 7.1% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% 1 7.1% 0 N/A% 0 N/A%