Diff Report
Run #5196f0780fa8c: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #5196f0780fa8cRun #5196ef15c751eDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)12,217 4,152 -8,065 -66.0%
Incl. Wall Time (microsec) per call 6,109 2,076 -4,033 -66.0%
Excl. Wall Time (microsec)1,035 349 -686 -66.3%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)21,008 21,064 56 0.3%
Incl. MemUse (bytes) per call 10,504 10,532 28 0.3%
Excl. MemUse (bytes)-3,216 -3,184 32 1.0%
Incl. PeakMemUse (bytes)42,736 42,728 -8 -0.0%
Incl. PeakMemUse (bytes) per call 21,368 21,364 -4 -0.0%
Excl. PeakMemUse (bytes)4,376 4,376 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% -8,065 -0.1% 0 0.0% 56 0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-686 -8.5% 0 N/A% 32 57.1% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% -8,065 -100.0% 0 N/A% 56 100.0% -8 -100.0%
Child functions
fread0 N/A% -6,705 -83.1% 0 N/A% 0 0.0% 0 0.0%
print_r0 N/A% -156 -1.9% 0 N/A% -8 -14.3% -8 -100.0%
fopen0 N/A% -151 -1.9% 0 N/A% 24 42.9% 0 0.0%
substr0 N/A% -126 -1.6% 0 N/A% 0 0.0% 0 0.0%
strlen0 N/A% -88 -1.1% 0 N/A% 0 0.0% 0 0.0%
fclose0 N/A% -51 -0.6% 0 N/A% 0 0.0% 0 0.0%
max0 N/A% -36 -0.4% 0 N/A% 0 0.0% 0 0.0%
function_exists0 N/A% -35 -0.4% 0 N/A% 8 14.3% 0 0.0%
getmypid0 N/A% -31 -0.4% 0 N/A% 0 0.0% 0 0.0%