Diff Report
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519730b884300: 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 #519730b884300DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)12,459 12,374 -85 -0.7%
Incl. Wall Time (microsec) per call 6,230 6,187 -43 -0.7%
Excl. Wall Time (microsec)1,033 1,029 -4 -0.4%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 2,000 2,000 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)21,064 21,064 0 0.0%
Incl. MemUse (bytes) per call 10,532 10,532 0 0.0%
Excl. MemUse (bytes)-3,184 -3,184 0 0.0%
Incl. PeakMemUse (bytes)42,728 42,728 0 0.0%
Incl. PeakMemUse (bytes) per call 21,364 21,364 0 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% -85 -10.1% 4,000 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -4.7% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -85 -100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
fread0 N/A% -243 -285.9% 0 0.0% 0 N/A% 0 N/A%
substr0 N/A% 170 200.0% 0 0.0% 0 N/A% 0 N/A%
print_r0 N/A% -6 -7.1% 0 0.0% 0 N/A% 0 N/A%
fopen0 N/A% 3 3.5% 0 0.0% 0 N/A% 0 N/A%
strlen0 N/A% -2 -2.4% 4,000 100.0% 0 N/A% 0 N/A%
max0 N/A% -2 -2.4% 0 0.0% 0 N/A% 0 N/A%
fclose0 N/A% -2 -2.4% 0 0.0% 0 N/A% 0 N/A%
getmypid0 N/A% 1 1.2% 0 0.0% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%