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

Drupal\Component\Utility\Crypt::randomBytesRun #52a037bb4f6e8Run #52a03729e7d1aDiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)905 898 -7 -0.8%
Incl. Wall Time (microsec) per call 70 69 -1 -0.8%
Excl. Wall Time (microsec)228 220 -8 -3.5%
Incl. CPU (microsecs)922 908 -14 -1.5%
Incl. CPU (microsecs) per call 71 70 -1 -1.5%
Excl. CPU (microsec)197 186 -11 -5.6%
Incl. MemUse (bytes)16,096 16,048 -48 -0.3%
Incl. MemUse (bytes) per call 1,238 1,234 -4 -0.3%
Excl. MemUse (bytes)-48,360 -48,384 -24 -0.0%
Incl. PeakMemUse (bytes)62,176 62,104 -72 -0.1%
Incl. PeakMemUse (bytes) per call 4,783 4,777 -6 -0.1%
Excl. PeakMemUse (bytes)22,008 21,960 -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 Function-8 -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%