Diff Report
Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519ede3a9dd65Run #519edf3566aaeDiffDiff%
Number of Function Calls38 38 0 0.0%
Incl. Wall Time (microsec)1,060 1,083 23 2.2%
Incl. Wall Time (microsec) per call 28 29 1 2.2%
Excl. Wall Time (microsec)342 350 8 2.3%
Incl. CPU (microsecs)1,095 1,112 17 1.6%
Incl. CPU (microsecs) per call 29 29 0 1.6%
Excl. CPU (microsec)309 319 10 3.2%
Incl. MemUse (bytes)19,096 19,080 -16 -0.1%
Incl. MemUse (bytes) per call 503 502 -0 -0.1%
Excl. MemUse (bytes)-139,864 -139,888 -24 -0.0%
Incl. PeakMemUse (bytes)42,280 42,280 0 0.0%
Incl. PeakMemUse (bytes) per call 1,113 1,113 0 0.0%
Excl. PeakMemUse (bytes)13,072 13,072 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% 23 0.1% 17 0.1% -16 -0.0% 0 0.0%
Exclusive Metrics Diff for Current Function8 34.8% 10 58.8% -24 -150.0% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 23 100.0% 17 100.0% -16 -100.0% 0 N/A%
Child functions
strlen0 N/A% 11 47.8% 1 5.9% 0 0.0% 0 N/A%
substr0 N/A% 5 21.7% 7 41.2% 8 50.0% 0 N/A%
fread0 N/A% -2 -8.7% -1 -5.9% 0 0.0% -16 N/A%
fopen0 N/A% 1 4.3% 0 0.0% -16 -100.0% 0 N/A%
function_exists0 N/A% 0 0.0% 1 5.9% 0 0.0% 0 N/A%
fclose0 N/A% 0 0.0% 1 5.9% 0 0.0% 0 N/A%
getmypid0 N/A% 0 0.0% -1 -5.9% 0 0.0% 0 N/A%
max0 N/A% 0 0.0% -1 -5.9% 0 0.0% 0 N/A%
print_r0 N/A% 0 0.0% 0 0.0% 16 100.0% 16 N/A%