Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls38 38 0 0.0%
Incl. Wall Time (microsec)1,171 1,208 37 3.2%
Incl. Wall Time (microsec) per call 31 32 1 3.2%
Excl. Wall Time (microsec)702 718 16 2.3%
Incl. CPU (microsecs)1,217 1,254 37 3.0%
Incl. CPU (microsecs) per call 32 33 1 3.0%
Excl. CPU (microsec)569 572 3 0.5%
Incl. MemUse (bytes)6,944 6,944 0 0.0%
Incl. MemUse (bytes) per call 183 183 0 0.0%
Excl. MemUse (bytes)612 612 0 0.0%
Incl. PeakMemUse (bytes)4,440 4,440 0 0.0%
Incl. PeakMemUse (bytes) per call 117 117 0 0.0%
Excl. PeakMemUse (bytes)2,628 2,628 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% 37 2.4% 37 3.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function16 43.2% 3 8.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% 20 54.1% 18 48.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 18 48.6% 21 56.8% 0 N/A% 0 N/A%
_drupal_bootstrap_code0 N/A% -1 -2.7% -2 -5.4% 0 N/A% 0 N/A%
Child functions
openssl_random_pseudo_bytes0 N/A% 22 59.5% 24 64.9% 0 N/A% 0 N/A%
function_exists0 N/A% -1 -2.7% 3 8.1% 0 N/A% 0 N/A%
substr0 N/A% 0 0.0% 14 37.8% 0 N/A% 0 N/A%
strlen0 N/A% 0 0.0% -7 -18.9% 0 N/A% 0 N/A%