Diff Report
Run #54e0a77153dbf: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #54e0a77153dbfRun #54e0a6d45fe2aDiffDiff%
Number of Function Calls36 36 0 0.0%
Incl. Wall Time (microsec)785 801 16 2.0%
Incl. Wall Time (microsec) per call 22 22 0 2.0%
Excl. Wall Time (microsec)521 524 3 0.6%
Incl. CPU (microsecs)819 842 23 2.8%
Incl. CPU (microsecs) per call 23 23 1 2.8%
Excl. CPU (microsec)337 356 19 5.6%
Incl. MemUse (bytes)10,848 10,848 0 0.0%
Incl. MemUse (bytes) per call 301 301 0 0.0%
Excl. MemUse (bytes)2,312 2,312 0 0.0%
Incl. PeakMemUse (bytes)1,584 1,584 0 0.0%
Incl. PeakMemUse (bytes) per call 44 44 0 0.0%
Excl. PeakMemUse (bytes)1,328 1,328 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% 16 0.9% 23 1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 18.8% 19 82.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 12 75.0% 18 78.3% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::boot0 N/A% 3 18.8% 4 17.4% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 1 6.2% 1 4.3% 0 N/A% 0 N/A%
Child functions
openssl_random_pseudo_bytes0 N/A% 13 81.2% 4 17.4% 0 N/A% 0 N/A%
substr0 N/A% 0 0.0% -8 -34.8% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% -8 -34.8% 0 N/A% 0 N/A%
strlen0 N/A% 0 0.0% 16 69.6% 0 N/A% 0 N/A%