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

Drupal\Component\Utility\Crypt::randomBytesRun #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)199 207 8 4.0%
Incl. Wall Time (microsec) per call 28 30 1 4.0%
Excl. Wall Time (microsec)117 122 5 4.3%
Incl. CPU (microsecs)207 217 10 4.8%
Incl. CPU (microsecs) per call 30 31 1 4.8%
Excl. CPU (microsec)81 79 -2 -2.5%
Incl. MemUse (bytes)7,736 7,752 16 0.2%
Incl. MemUse (bytes) per call 1,105 1,107 2 0.2%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)2,920 2,960 40 1.4%
Incl. PeakMemUse (bytes) per call 417 423 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 Function5 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%