Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)791 735 -56 -7.1%
Incl. Wall Time (microsec) per call 264 245 -19 -7.1%
Excl. Wall Time (microsec)119 108 -11 -9.2%
Incl. CPU (microsecs)796 740 -56 -7.0%
Incl. CPU (microsecs) per call 265 247 -19 -7.0%
Excl. CPU (microsec)93 82 -11 -11.8%
Incl. MemUse (bytes)11,260 11,252 -8 -0.1%
Incl. MemUse (bytes) per call 3,753 3,751 -3 -0.1%
Excl. MemUse (bytes)-10,348 -10,348 0 0.0%
Incl. PeakMemUse (bytes)58,784 58,788 4 0.0%
Incl. PeakMemUse (bytes) per call 19,595 19,596 1 0.0%
Excl. PeakMemUse (bytes)8,308 8,308 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% -56 -0.1% -56 -0.1% -8 -0.0% 4 0.0%
Exclusive Metrics Diff for Current Function-11 -19.6% -11 -19.6% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -56 -100.0% -56 -100.0% -8 -100.0% 4 100.0%
Child functions
fread0 N/A% -18 -32.1% -19 -33.9% 0 0.0% 0 0.0%
fopen0 N/A% -17 -30.4% -18 -32.1% -12 -150.0% 0 0.0%
fclose0 N/A% -4 -7.1% -4 -7.1% 0 0.0% 0 0.0%
print_r0 N/A% -4 -7.1% -3 -5.4% 4 50.0% 4 100.0%
substr0 N/A% -2 -3.6% 2 3.6% 0 0.0% 0 0.0%
function_exists0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -1 -1.8% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -2 -3.6% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%