Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519a4774889ddRun #519a496084867DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)4,520 6,845 2,325 51.4%
Incl. Wall Time (microsec) per call 753 1,141 388 51.4%
Excl. Wall Time (microsec)733 1,030 297 40.5%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 667 667 N/A%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)21,536 21,544 8 0.0%
Incl. MemUse (bytes) per call 3,589 3,591 1 0.0%
Excl. MemUse (bytes)-19,248 -19,248 0 0.0%
Incl. PeakMemUse (bytes)68,216 68,224 8 0.0%
Incl. PeakMemUse (bytes) per call 11,369 11,371 1 0.0%
Excl. PeakMemUse (bytes)17,248 17,248 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% 2,325 0.1% 4,000 100.0% 8 0.1% 8 0.1%
Exclusive Metrics Diff for Current Function297 12.8% 4,000 100.0% 0 0.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 2,325 100.0% 4,000 100.0% 8 100.0% 8 100.0%
Child functions
fread0 N/A% 1,872 80.5% 0 0.0% 0 0.0% 0 0.0%
substr0 N/A% 114 4.9% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% -84 -3.6% 0 0.0% 0 0.0% 0 0.0%
print_r0 N/A% 45 1.9% 0 0.0% 8 100.0% 8 100.0%
fopen0 N/A% 38 1.6% 0 0.0% 0 0.0% 0 0.0%
fclose0 N/A% 14 0.6% 0 0.0% 0 0.0% 0 0.0%
max0 N/A% 11 0.5% 0 0.0% 0 0.0% 0 0.0%
function_exists0 N/A% 10 0.4% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 8 0.3% 0 0.0% 0 0.0% 0 0.0%