Diff Report
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #518fbd1297c93Run #518fb7370421eDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)736 727 -9 -1.2%
Incl. Wall Time (microsec) per call 184 182 -2 -1.2%
Excl. Wall Time (microsec)98 90 -8 -8.2%
Incl. CPU (microsecs)741 733 -8 -1.1%
Incl. CPU (microsecs) per call 185 183 -2 -1.1%
Excl. CPU (microsec)88 78 -10 -11.4%
Incl. MemUse (bytes)16,472 16,464 -8 -0.0%
Incl. MemUse (bytes) per call 4,118 4,116 -2 -0.0%
Excl. MemUse (bytes)-12,576 -12,568 8 0.1%
Incl. PeakMemUse (bytes)42,168 42,160 -8 -0.0%
Incl. PeakMemUse (bytes) per call 10,542 10,540 -2 -0.0%
Excl. PeakMemUse (bytes)13,056 13,056 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% -9 -0.3% -8 -0.2% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-8 -88.9% -10 -125.0% 8 100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -9 -100.0% -8 -100.0% -8 -100.0% -8 -100.0%
Child functions
substr0 N/A% 4 44.4% 6 75.0% 0 0.0% 0 0.0%
fopen0 N/A% -4 -44.4% -5 -62.5% 0 0.0% 0 0.0%
fread0 N/A% -2 -22.2% -1 -12.5% 0 0.0% 8 100.0%
fclose0 N/A% -1 -11.1% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 1 11.1% 1 12.5% -16 -200.0% -16 -200.0%
strlen0 N/A% 1 11.1% 2 25.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% -1 -12.5% 0 0.0% 0 0.0%