Diff Report
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519f012418c24Run #519f02278cd90DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)700 707 7 1.0%
Incl. Wall Time (microsec) per call 233 236 2 1.0%
Excl. Wall Time (microsec)71 75 4 5.6%
Incl. CPU (microsecs)703 712 9 1.3%
Incl. CPU (microsecs) per call 234 237 3 1.3%
Excl. CPU (microsec)65 56 -9 -13.8%
Incl. MemUse (bytes)16,384 16,408 24 0.1%
Incl. MemUse (bytes) per call 5,461 5,469 8 0.1%
Excl. MemUse (bytes)-8,544 -8,544 0 0.0%
Incl. PeakMemUse (bytes)42,216 42,264 48 0.1%
Incl. PeakMemUse (bytes) per call 14,072 14,088 16 0.1%
Excl. PeakMemUse (bytes)13,104 13,104 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% 7 0.3% 9 0.3% 24 0.4% 48 0.3%
Exclusive Metrics Diff for Current Function4 57.1% -9 -100.0% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 7 100.0% 9 100.0% 24 100.0% 48 100.0%
Child functions
fread0 N/A% 3 42.9% 4 44.4% 0 0.0% 24 50.0%
substr0 N/A% 2 28.6% 6 66.7% 0 0.0% 0 0.0%
fopen0 N/A% -2 -28.6% -1 -11.1% 0 0.0% 0 0.0%
fclose0 N/A% -1 -14.3% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 1 14.3% 5 55.6% 0 0.0% 0 0.0%
max0 N/A% -1 -14.3% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 1 14.3% 2 22.2% 24 100.0% 24 50.0%
function_exists0 N/A% 0 0.0% 1 11.1% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 11.1% 0 0.0% 0 0.0%