Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbcb7249d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519fbb3f5c2a0Run #519fbcb7249d1DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)811 810 -1 -0.1%
Incl. Wall Time (microsec) per call 270 270 -0 -0.1%
Excl. Wall Time (microsec)64 63 -1 -1.6%
Incl. CPU (microsecs)813 815 2 0.2%
Incl. CPU (microsecs) per call 271 272 1 0.2%
Excl. CPU (microsec)52 47 -5 -9.6%
Incl. MemUse (bytes)16,440 16,464 24 0.1%
Incl. MemUse (bytes) per call 5,480 5,488 8 0.1%
Excl. MemUse (bytes)-8,552 -8,544 8 0.1%
Incl. PeakMemUse (bytes)42,312 42,336 24 0.1%
Incl. PeakMemUse (bytes) per call 14,104 14,112 8 0.1%
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% -1 -0.3% 2 0.6% 24 0.1% 24 0.1%
Exclusive Metrics Diff for Current Function-1 -100.0% -5 -250.0% 8 33.3% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -1 -100.0% 2 100.0% 24 100.0% 24 100.0%
Child functions
print_r0 N/A% -1 -100.0% 1 50.0% 16 66.7% 16 66.7%
fread0 N/A% 1 100.0% 3 150.0% 0 0.0% 8 33.3%
fclose0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 5 250.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
fopen0 N/A% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -2 -100.0% 0 0.0% 0 0.0%