Diff Report
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls55 55 0 0.0%
Incl. Wall Time (microsec)1,047 1,162 115 11.0%
Incl. Wall Time (microsec) per call 19 21 2 11.0%
Excl. Wall Time (microsec)684 718 34 5.0%
Incl. CPU (microsecs)1,091 1,205 114 10.4%
Incl. CPU (microsecs) per call 20 22 2 10.4%
Excl. CPU (microsec)426 467 41 9.6%
Incl. MemUse (bytes)13,520 13,520 0 0.0%
Incl. MemUse (bytes) per call 246 246 0 0.0%
Excl. MemUse (bytes)824 824 0 0.0%
Incl. PeakMemUse (bytes)2,008 2,008 0 0.0%
Incl. PeakMemUse (bytes) per call 37 37 0 0.0%
Excl. PeakMemUse (bytes)1,864 1,864 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% 115 2.1% 114 1.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function34 29.6% 41 36.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 113 98.3% 112 98.2% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 2 1.7% 1 0.9% 0 N/A% 0 N/A%
_drupal_bootstrap_code0 N/A% 0 0.0% 1 0.9% 0 N/A% 0 N/A%
Child functions
openssl_random_pseudo_bytes0 N/A% 55 47.8% 62 54.4% 0 N/A% 0 N/A%
function_exists0 N/A% 14 12.2% 18 15.8% 0 N/A% 0 N/A%
strlen0 N/A% 7 6.1% 11 9.6% 0 N/A% 0 N/A%
substr0 N/A% 5 4.3% -18 -15.8% 0 N/A% 0 N/A%