Diff Report
Run #52f30aadf2c65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52f30b8747627: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #52f30aadf2c65Run #52f30b8747627DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)967 936 -31 -3.2%
Incl. Wall Time (microsec) per call 88 85 -3 -3.2%
Excl. Wall Time (microsec)247 184 -63 -25.5%
Incl. CPU (microsecs)975 946 -29 -3.0%
Incl. CPU (microsecs) per call 89 86 -3 -3.0%
Excl. CPU (microsec)214 153 -61 -28.5%
Incl. MemUse (bytes)16,552 16,608 56 0.3%
Incl. MemUse (bytes) per call 1,505 1,510 5 0.3%
Excl. MemUse (bytes)-39,944 -39,904 40 0.1%
Incl. PeakMemUse (bytes)96,336 96,408 72 0.1%
Incl. PeakMemUse (bytes) per call 8,758 8,764 7 0.1%
Excl. PeakMemUse (bytes)40,696 40,744 48 0.1%

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% -31 -0.7% -29 -0.7% 56 0.1% 72 0.1%
Exclusive Metrics Diff for Current Function-63 -203.2% -61 -210.3% 40 71.4% 48 66.7%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% -26 -83.9% -24 -82.8% 48 85.7% 24 33.3%
Drupal\Component\Utility\Crypt::randomStringHashed0 N/A% -5 -16.1% -5 -17.2% 8 14.3% 48 66.7%
Child functions
substr0 N/A% 53 171.0% 54 186.2% 0 0.0% 0 0.0%
fread0 N/A% -18 -58.1% -19 -65.5% 0 0.0% 8 11.1%
fclose0 N/A% -1 -3.2% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% -1 -3.2% -1 -3.4% 0 0.0% 0 0.0%
print_r0 N/A% -1 -3.2% -1 -3.4% 16 28.6% 16 22.2%
fopen0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% -1 -3.4% 0 0.0% 0 0.0%