Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)903 929 26 2.9%
Incl. Wall Time (microsec) per call 65 66 2 2.9%
Excl. Wall Time (microsec)182 186 4 2.2%
Incl. CPU (microsecs)916 939 23 2.5%
Incl. CPU (microsecs) per call 65 67 2 2.5%
Excl. CPU (microsec)147 142 -5 -3.4%
Incl. MemUse (bytes)16,872 16,912 40 0.2%
Incl. MemUse (bytes) per call 1,205 1,208 3 0.2%
Excl. MemUse (bytes)-51,400 -51,408 -8 -0.0%
Incl. PeakMemUse (bytes)112,504 112,520 16 0.0%
Incl. PeakMemUse (bytes) per call 8,036 8,037 1 0.0%
Excl. PeakMemUse (bytes)48,832 48,832 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% 26 2.2% 23 2.3% 40 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function4 15.4% -5 -21.7% -8 -20.0% 0 0.0%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% 26 100.0% 22 95.7% 40 100.0% 16 100.0%
Drupal\Component\Utility\Crypt::randomStringHashed0 N/A% 0 0.0% 1 4.3% 0 0.0% 0 0.0%
Child functions
substr0 N/A% 23 88.5% 27 117.4% 0 0.0% 0 0.0%
fopen0 N/A% -1 -3.8% -1 -4.3% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% -1 -4.3% 24 60.0% 0 0.0%
getmypid0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
fread0 N/A% 0 0.0% 1 4.3% 0 0.0% -8 -50.0%
max0 N/A% 0 0.0% -1 -4.3% 0 0.0% 0 0.0%
print_r0 N/A% 0 0.0% -1 -4.3% 24 60.0% 24 150.0%
strlen0 N/A% 0 0.0% 4 17.4% 0 0.0% 0 0.0%