Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51ca5a4995c23Run #51ca5b0eb2b08DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)834 830 -4 -0.5%
Incl. Wall Time (microsec) per call 139 138 -1 -0.5%
Excl. Wall Time (microsec)149 152 3 2.0%
Incl. CPU (microsecs)843 836 -7 -0.8%
Incl. CPU (microsecs) per call 141 139 -1 -0.8%
Excl. CPU (microsec)139 126 -13 -9.4%
Incl. MemUse (bytes)16,840 16,792 -48 -0.3%
Incl. MemUse (bytes) per call 2,807 2,799 -8 -0.3%
Excl. MemUse (bytes)-20,568 -20,568 0 0.0%
Incl. PeakMemUse (bytes)63,160 63,216 56 0.1%
Incl. PeakMemUse (bytes) per call 10,527 10,536 9 0.1%
Excl. PeakMemUse (bytes)25,344 25,344 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% -4 -0.1% -7 -0.3% -48 -0.0% 56 0.0%
Exclusive Metrics Diff for Current Function3 75.0% -13 -185.7% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -4 -100.0% -7 -100.0% -48 -100.0% 56 100.0%
Child functions
fopen0 N/A% -5 -125.0% 0 0.0% -16 -33.3% 0 0.0%
substr0 N/A% -1 -25.0% 5 71.4% 0 0.0% 0 0.0%
fread0 N/A% 1 25.0% 1 14.3% 0 0.0% -56 -100.0%
print_r0 N/A% -1 -25.0% -1 -14.3% 16 33.3% 112 200.0%
strlen0 N/A% -1 -25.0% -1 -14.3% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 14.3% -24 -50.0% 0 0.0%
fclose0 N/A% 0 0.0% 2 28.6% -8 -16.7% 0 0.0%
function_exists0 N/A% 0 0.0% -1 -14.3% -16 -33.3% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%