Diff Report
Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa6332b29: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519ffa0e6cdecRun #519ffa6332b29DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)901 850 -51 -5.7%
Incl. Wall Time (microsec) per call 300 283 -17 -5.7%
Excl. Wall Time (microsec)78 59 -19 -24.4%
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)16,432 16,440 8 0.0%
Incl. MemUse (bytes) per call 5,477 5,480 3 0.0%
Excl. MemUse (bytes)-8,544 -8,552 -8 -0.1%
Incl. PeakMemUse (bytes)42,376 42,384 8 0.0%
Incl. PeakMemUse (bytes) per call 14,125 14,128 3 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% -51 -2.4% 0 0.0% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function-19 -37.3% 0 N/A% -8 -100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -51 -100.0% 0 N/A% 8 100.0% 8 100.0%
Child functions
fread0 N/A% -21 -41.2% 0 N/A% 0 0.0% -8 -100.0%
fopen0 N/A% -8 -15.7% 0 N/A% 0 0.0% 0 0.0%
fclose0 N/A% -1 -2.0% 0 N/A% 0 0.0% 0 0.0%
substr0 N/A% -1 -2.0% 0 N/A% 0 0.0% 0 0.0%
strlen0 N/A% -1 -2.0% 0 N/A% 0 0.0% 0 0.0%
function_exists0 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%
print_r0 N/A% 0 0.0% 0 N/A% 16 200.0% 16 200.0%
getmypid0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%