Diff Report
Run #53d436500e2ac: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #53d436500e2acRun #53d4352fc0c61DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)512 479 -33 -6.4%
Incl. Wall Time (microsec) per call 43 40 -3 -6.4%
Excl. Wall Time (microsec)260 246 -14 -5.4%
Incl. CPU (microsecs)538 496 -42 -7.8%
Incl. CPU (microsecs) per call 45 41 -4 -7.8%
Excl. CPU (microsec)200 174 -26 -13.0%
Incl. MemUse (bytes)8,120 8,120 0 0.0%
Incl. MemUse (bytes) per call 677 677 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)1,880 1,880 0 0.0%
Incl. PeakMemUse (bytes) per call 157 157 0 0.0%
Excl. PeakMemUse (bytes)1,624 1,624 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% -33 -0.5% -42 -0.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-14 -42.4% -26 -61.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% -24 -72.7% -30 -71.4% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::boot0 N/A% -11 -33.3% -11 -26.2% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 2 6.1% -1 -2.4% 0 N/A% 0 N/A%
Child functions
openssl_random_pseudo_bytes0 N/A% -14 -42.4% -21 -50.0% 0 N/A% 0 N/A%
substr0 N/A% -5 -15.2% 3 7.1% 0 N/A% 0 N/A%
function_exists0 N/A% -3 -9.1% 0 0.0% 0 N/A% 0 N/A%
strlen0 N/A% 3 9.1% 2 4.8% 0 N/A% 0 N/A%