Diff Report
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519c146573182Run #519c116ac5313DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)973 750 -223 -22.9%
Incl. Wall Time (microsec) per call 324 250 -74 -22.9%
Excl. Wall Time (microsec)135 111 -24 -17.8%
Incl. CPU (microsecs)979 754 -225 -23.0%
Incl. CPU (microsecs) per call 326 251 -75 -23.0%
Excl. CPU (microsec)105 84 -21 -20.0%
Incl. MemUse (bytes)11,256 11,248 -8 -0.1%
Incl. MemUse (bytes) per call 3,752 3,749 -3 -0.1%
Excl. MemUse (bytes)-10,348 -10,348 0 0.0%
Incl. PeakMemUse (bytes)58,788 58,784 -4 -0.0%
Incl. PeakMemUse (bytes) per call 19,596 19,595 -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% -223 -0.4% -225 -0.4% -8 -0.0% -4 -0.0%
Exclusive Metrics Diff for Current Function-24 -10.8% -21 -9.3% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -223 -100.0% -225 -100.0% -8 -100.0% -4 -100.0%
Child functions
fread0 N/A% -175 -78.5% -176 -78.2% 0 0.0% 0 0.0%
fopen0 N/A% -16 -7.2% -17 -7.6% -4 -50.0% 0 0.0%
fclose0 N/A% -3 -1.3% -3 -1.3% 0 0.0% 0 0.0%
print_r0 N/A% -2 -0.9% -3 -1.3% -4 -50.0% -4 -100.0%
function_exists0 N/A% -1 -0.4% -3 -1.3% 0 0.0% 0 0.0%
max0 N/A% -1 -0.4% -2 -0.9% 0 0.0% 0 0.0%
strlen0 N/A% -1 -0.4% -3 -1.3% 0 0.0% 0 0.0%
substr0 N/A% 0 0.0% 4 1.8% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% -1 -0.4% 0 0.0% 0 0.0%