Diff Report
Run #541de55978b9a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #541de55978b9aRun #541de429e5ab1DiffDiff%
Number of Function Calls33 33 0 0.0%
Incl. Wall Time (microsec)1,019 1,063 44 4.3%
Incl. Wall Time (microsec) per call 31 32 1 4.3%
Excl. Wall Time (microsec)528 548 20 3.8%
Incl. CPU (microsecs)1,053 1,100 47 4.5%
Incl. CPU (microsecs) per call 32 33 1 4.5%
Excl. CPU (microsec)400 398 -2 -0.5%
Incl. MemUse (bytes)10,592 10,592 0 0.0%
Incl. MemUse (bytes) per call 321 321 0 0.0%
Excl. MemUse (bytes)2,352 2,352 0 0.0%
Incl. PeakMemUse (bytes)1,768 1,768 0 0.0%
Incl. PeakMemUse (bytes) per call 54 54 0 0.0%
Excl. PeakMemUse (bytes)1,552 1,552 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% 44 2.3% 47 3.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function20 45.5% -2 -4.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 38 86.4% 44 93.6% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 6 13.6% 4 8.5% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::boot0 N/A% 0 0.0% -1 -2.1% 0 N/A% 0 N/A%
Child functions
openssl_random_pseudo_bytes0 N/A% 20 45.5% 22 46.8% 0 N/A% 0 N/A%
strlen0 N/A% 2 4.5% 5 10.6% 0 N/A% 0 N/A%
substr0 N/A% 2 4.5% 3 6.4% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 19 40.4% 0 N/A% 0 N/A%