Diff Report
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e33e8d847: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #5394e21e9bd45Run #5394e33e8d847DiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)1,788 1,830 42 2.3%
Incl. Wall Time (microsec) per call 31 32 1 2.3%
Excl. Wall Time (microsec)961 981 20 2.1%
Incl. CPU (microsecs)1,862 1,899 37 2.0%
Incl. CPU (microsecs) per call 32 33 1 2.0%
Excl. CPU (microsec)691 759 68 9.8%
Incl. MemUse (bytes)13,408 13,408 0 0.0%
Incl. MemUse (bytes) per call 231 231 0 0.0%
Excl. MemUse (bytes)768 768 0 0.0%
Incl. PeakMemUse (bytes)832 832 0 0.0%
Incl. PeakMemUse (bytes) per call 14 14 0 0.0%
Excl. PeakMemUse (bytes)752 752 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% 42 9.7% 37 4.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function20 47.6% 68 183.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% 22 52.4% 22 59.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 18 42.9% 14 37.8% 0 N/A% 0 N/A%
_drupal_bootstrap_code0 N/A% 2 4.8% 1 2.7% 0 N/A% 0 N/A%
Child functions
strlen0 N/A% 14 33.3% -17 -45.9% 0 N/A% 0 N/A%
openssl_random_pseudo_bytes0 N/A% 8 19.0% -2 -5.4% 16 N/A% 0 N/A%
substr0 N/A% 1 2.4% -8 -21.6% 0 N/A% 0 N/A%
function_exists0 N/A% -1 -2.4% -4 -10.8% -16 N/A% 0 N/A%