Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)280 263 -17 -6.1%
Incl. Wall Time (microsec) per call 40 38 -2 -6.1%
Excl. Wall Time (microsec)171 158 -13 -7.6%
Incl. CPU (microsecs)291 272 -19 -6.5%
Incl. CPU (microsecs) per call 42 39 -3 -6.5%
Excl. CPU (microsec)131 122 -9 -6.9%
Incl. MemUse (bytes)4,364 4,364 0 0.0%
Incl. MemUse (bytes) per call 623 623 0 0.0%
Excl. MemUse (bytes)1,952 1,952 0 0.0%
Incl. PeakMemUse (bytes)4,004 4,004 0 0.0%
Incl. PeakMemUse (bytes) per call 572 572 0 0.0%
Excl. PeakMemUse (bytes)2,220 2,220 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% -17 -1.2% -19 -3.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -76.5% -9 -47.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% -17 -100.0% -19 -100.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% -1 -5.9% -1 -5.3% 0 N/A% 0 N/A%
_drupal_bootstrap_code0 N/A% 1 5.9% 1 5.3% 0 N/A% 0 N/A%
Child functions
substr0 N/A% -1 -5.9% 4 21.1% 0 N/A% 0 N/A%
openssl_random_pseudo_bytes0 N/A% -1 -5.9% -2 -10.5% 0 N/A% 0 N/A%
function_exists0 N/A% -1 -5.9% -3 -15.8% 0 N/A% 0 N/A%
strlen0 N/A% -1 -5.9% -9 -47.4% 0 N/A% 0 N/A%