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

Drupal\Component\Utility\Crypt::randomBytesRun #5197310fa6a63Run #51972fb0786efDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)12,214 12,459 245 2.0%
Incl. Wall Time (microsec) per call 6,107 6,230 123 2.0%
Excl. Wall Time (microsec)1,035 1,033 -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)21,008 21,064 56 0.3%
Incl. MemUse (bytes) per call 10,504 10,532 28 0.3%
Excl. MemUse (bytes)-3,216 -3,184 32 1.0%
Incl. PeakMemUse (bytes)42,736 42,728 -8 -0.0%
Incl. PeakMemUse (bytes) per call 21,368 21,364 -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 Function-2 -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%