Diff Report
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #538e3b37c1a66Run #538e3ac0de109DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)207 199 -8 -3.9%
Incl. Wall Time (microsec) per call 30 28 -1 -3.9%
Excl. Wall Time (microsec)122 117 -5 -4.1%
Incl. CPU (microsecs)217 207 -10 -4.6%
Incl. CPU (microsecs) per call 31 30 -1 -4.6%
Excl. CPU (microsec)79 81 2 2.5%
Incl. MemUse (bytes)7,752 7,736 -16 -0.2%
Incl. MemUse (bytes) per call 1,107 1,105 -2 -0.2%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)2,960 2,920 -40 -1.4%
Incl. PeakMemUse (bytes) per call 423 417 -6 -1.4%
Excl. PeakMemUse (bytes)2,488 2,488 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% -8 -0.2% -10 -0.3% -16 -0.0% -40 -0.0%
Exclusive Metrics Diff for Current Function-5 -62.5% 2 20.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% -5 -62.5% -5 -50.0% 0 0.0% 0 0.0%
_drupal_bootstrap_code0 N/A% -4 -50.0% -5 -50.0% -16 -100.0% -40 -100.0%
Drupal\Component\Uuid\Php::generate0 N/A% 1 12.5% 0 0.0% 0 0.0% 0 0.0%
Child functions
openssl_random_pseudo_bytes0 N/A% -3 -37.5% -1 -10.0% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% -2 -20.0% 0 0.0% -40 -100.0%
function_exists0 N/A% 0 0.0% -3 -30.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -6 -60.0% -16 -100.0% 0 0.0%