Diff Report
Run #519afb4e24ae7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519afa8ec2e5c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519afb4e24ae7Run #519afa8ec2e5cDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)760 800 40 5.3%
Incl. Wall Time (microsec) per call 190 200 10 5.3%
Excl. Wall Time (microsec)107 151 44 41.1%
Incl. CPU (microsecs)767 803 36 4.7%
Incl. CPU (microsecs) per call 192 201 9 4.7%
Excl. CPU (microsec)89 133 44 49.4%
Incl. MemUse (bytes)16,648 16,680 32 0.2%
Incl. MemUse (bytes) per call 4,162 4,170 8 0.2%
Excl. MemUse (bytes)-12,576 -12,568 8 0.1%
Incl. PeakMemUse (bytes)38,424 38,456 32 0.1%
Incl. PeakMemUse (bytes) per call 9,606 9,614 8 0.1%
Excl. PeakMemUse (bytes)12,808 12,808 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% 40 4.2% 36 2.4% 32 0.1% 32 0.1%
Exclusive Metrics Diff for Current Function44 110.0% 44 122.2% 8 25.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 40 100.0% 36 100.0% 32 100.0% 32 100.0%
Child functions
fopen0 N/A% -8 -20.0% -7 -19.4% 24 75.0% 0 0.0%
strlen0 N/A% 2 5.0% 1 2.8% 0 0.0% 0 0.0%
substr0 N/A% 1 2.5% -5 -13.9% 0 0.0% 0 0.0%
print_r0 N/A% 1 2.5% 2 5.6% -24 -75.0% -24 -75.0%
getmypid0 N/A% 0 0.0% -1 -2.8% 24 75.0% 0 0.0%
fclose0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
fread0 N/A% 0 0.0% 0 0.0% 0 0.0% 56 175.0%
max0 N/A% 0 0.0% 1 2.8% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 1 2.8% 0 0.0% 0 0.0%