Diff Report
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a037bb4f6e8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #52a03729e7d1aRun #52a037bb4f6e8DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)898 905 7 0.8%
Incl. Wall Time (microsec) per call 69 70 1 0.8%
Excl. Wall Time (microsec)220 228 8 3.6%
Incl. CPU (microsecs)908 922 14 1.5%
Incl. CPU (microsecs) per call 70 71 1 1.5%
Excl. CPU (microsec)186 197 11 5.9%
Incl. MemUse (bytes)16,048 16,096 48 0.3%
Incl. MemUse (bytes) per call 1,234 1,238 4 0.3%
Excl. MemUse (bytes)-48,384 -48,360 24 0.0%
Incl. PeakMemUse (bytes)62,104 62,176 72 0.1%
Incl. PeakMemUse (bytes) per call 4,777 4,783 6 0.1%
Excl. PeakMemUse (bytes)21,960 22,008 48 0.2%

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% 7 0.8% 14 1.6% 48 0.1% 72 0.1%
Exclusive Metrics Diff for Current Function8 114.3% 11 78.6% 24 50.0% 48 66.7%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 7 100.0% 14 100.0% 48 100.0% 72 100.0%
Child functions
substr0 N/A% 5 71.4% 8 57.1% 0 0.0% 0 0.0%
fopen0 N/A% -4 -57.1% -3 -21.4% 0 0.0% 0 0.0%
fclose0 N/A% -1 -14.3% 0 0.0% 8 16.7% 0 0.0%
fread0 N/A% -1 -14.3% -1 -7.1% 0 0.0% 8 11.1%
max0 N/A% -1 -14.3% -1 -7.1% 0 0.0% 0 0.0%
strlen0 N/A% 1 14.3% -3 -21.4% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 3 21.4% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% 0 0.0% 16 33.3% 16 22.2%