Diff Report
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5197310fa6a63: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51972fb0786efRun #5197310fa6a63DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)12,459 12,214 -245 -2.0%
Incl. Wall Time (microsec) per call 6,230 6,107 -123 -2.0%
Excl. Wall Time (microsec)1,033 1,035 2 0.2%
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)21,064 21,008 -56 -0.3%
Incl. MemUse (bytes) per call 10,532 10,504 -28 -0.3%
Excl. MemUse (bytes)-3,184 -3,216 -32 -1.0%
Incl. PeakMemUse (bytes)42,728 42,736 8 0.0%
Incl. PeakMemUse (bytes) per call 21,364 21,368 4 0.0%
Excl. PeakMemUse (bytes)4,376 4,376 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% -245 -0.1% 0 0.0% -56 -0.0% 8 0.0%
Exclusive Metrics Diff for Current Function2 0.8% 0 N/A% -32 -57.1% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -245 -100.0% 0 N/A% -56 -100.0% 8 100.0%
Child functions
fread0 N/A% -240 -98.0% 0 N/A% 0 0.0% 0 0.0%
print_r0 N/A% -4 -1.6% 0 N/A% 8 14.3% 8 100.0%
substr0 N/A% 3 1.2% 0 N/A% 0 0.0% 0 0.0%
fclose0 N/A% -2 -0.8% 0 N/A% 0 0.0% 0 0.0%
max0 N/A% -1 -0.4% 0 N/A% 0 0.0% 0 0.0%
fopen0 N/A% -1 -0.4% 0 N/A% -24 -42.9% 0 0.0%
strlen0 N/A% -1 -0.4% 0 N/A% 0 0.0% 0 0.0%
function_exists0 N/A% -1 -0.4% 0 N/A% -8 -14.3% 0 0.0%
getmypid0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%