Diff Report
Run #519fc84e17238: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519fc84e17238Run #519fc53e46a65DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)589 611 22 3.7%
Incl. Wall Time (microsec) per call 589 611 22 3.7%
Excl. Wall Time (microsec)32 34 2 6.2%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)16,264 16,224 -40 -0.2%
Incl. MemUse (bytes) per call 16,264 16,224 -40 -0.2%
Excl. MemUse (bytes)-472 -464 8 1.7%
Incl. PeakMemUse (bytes)25,480 25,440 -40 -0.2%
Incl. PeakMemUse (bytes) per call 25,480 25,440 -40 -0.2%
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% 22 4.1% 0 0.0% -40 -0.5% -40 -0.4%
Exclusive Metrics Diff for Current Function2 9.1% 0 N/A% 8 20.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 22 100.0% 0 N/A% -40 -100.0% -40 -100.0%
Child functions
fread0 N/A% 21 95.5% 0 N/A% 0 0.0% 8 20.0%
function_exists0 N/A% -1 -4.5% 0 N/A% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% 0 N/A% -48 -120.0% -48 -120.0%