Diff Report
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f52fbabfcb: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #523f527beec76Run #523f52fbabfcbDiffDiff%
Number of Function Calls22 22 0 0.0%
Incl. Wall Time (microsec)957 894 -63 -6.6%
Incl. Wall Time (microsec) per call 44 41 -3 -6.6%
Excl. Wall Time (microsec)217 211 -6 -2.8%
Incl. CPU (microsecs)970 912 -58 -6.0%
Incl. CPU (microsecs) per call 44 41 -3 -6.0%
Excl. CPU (microsec)182 182 0 0.0%
Incl. MemUse (bytes)17,792 17,792 0 0.0%
Incl. MemUse (bytes) per call 809 809 0 0.0%
Excl. MemUse (bytes)-82,272 -82,272 0 0.0%
Incl. PeakMemUse (bytes)48,408 48,408 0 0.0%
Incl. PeakMemUse (bytes) per call 2,200 2,200 0 0.0%
Excl. PeakMemUse (bytes)15,592 15,592 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% -63 -1.6% -58 -0.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -9.5% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -63 -100.0% -58 -100.0% 0 N/A% 0 N/A%
Child functions
substr0 N/A% -41 -65.1% -47 -81.0% 0 N/A% 0 N/A%
strlen0 N/A% -12 -19.0% -5 -8.6% 0 N/A% 0 N/A%
fopen0 N/A% -8 -12.7% -9 -15.5% 0 N/A% 0 N/A%
fread0 N/A% 3 4.8% 3 5.2% 0 N/A% 0 N/A%
fclose0 N/A% 1 1.6% 2 3.4% 0 N/A% 0 N/A%
max0 N/A% 1 1.6% -1 -1.7% 0 N/A% 0 N/A%
print_r0 N/A% -1 -1.6% -1 -1.7% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%