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

Drupal\Component\Utility\Crypt::randomBytesRun #52f30b8747627Run #52f30aadf2c65DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)936 967 31 3.3%
Incl. Wall Time (microsec) per call 85 88 3 3.3%
Excl. Wall Time (microsec)184 247 63 34.2%
Incl. CPU (microsecs)946 975 29 3.1%
Incl. CPU (microsecs) per call 86 89 3 3.1%
Excl. CPU (microsec)153 214 61 39.9%
Incl. MemUse (bytes)16,608 16,552 -56 -0.3%
Incl. MemUse (bytes) per call 1,510 1,505 -5 -0.3%
Excl. MemUse (bytes)-39,904 -39,944 -40 -0.1%
Incl. PeakMemUse (bytes)96,408 96,336 -72 -0.1%
Incl. PeakMemUse (bytes) per call 8,764 8,758 -7 -0.1%
Excl. PeakMemUse (bytes)40,744 40,696 -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 Function63 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%