Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)328 340 12 3.7%
Incl. Wall Time (microsec) per call 36 38 1 3.7%
Excl. Wall Time (microsec)197 190 -7 -3.6%
Incl. CPU (microsecs)343 359 16 4.7%
Incl. CPU (microsecs) per call 38 40 2 4.7%
Excl. CPU (microsec)143 153 10 7.0%
Incl. MemUse (bytes)4,584 4,584 0 0.0%
Incl. MemUse (bytes) per call 509 509 0 0.0%
Excl. MemUse (bytes)1,812 1,812 0 0.0%
Incl. PeakMemUse (bytes)4,112 4,112 0 0.0%
Incl. PeakMemUse (bytes) per call 457 457 0 0.0%
Excl. PeakMemUse (bytes)2,356 2,356 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% 12 0.8% 16 0.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-7 -58.3% 10 62.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% 11 91.7% 12 75.0% 0 N/A% 0 N/A%
_drupal_bootstrap_code0 N/A% 1 8.3% 1 6.2% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 0 0.0% 3 18.8% 0 N/A% 0 N/A%
Child functions
openssl_random_pseudo_bytes0 N/A% 10 83.3% 10 62.5% 0 N/A% 0 N/A%
substr0 N/A% 9 75.0% 1 6.2% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% -2 -12.5% 0 N/A% 0 N/A%
strlen0 N/A% 0 0.0% -3 -18.8% 0 N/A% 0 N/A%