Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Uuid\Php::generate

Drupal\Component\Uuid\Php::generateRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,562 1,511 -51 -3.3%
Incl. Wall Time (microsec) per call 82 80 -3 -3.3%
Excl. Wall Time (microsec)472 471 -1 -0.2%
Incl. CPU (microsecs)1,582 1,530 -52 -3.3%
Incl. CPU (microsecs) per call 83 81 -3 -3.3%
Excl. CPU (microsec)296 279 -17 -5.7%
Incl. MemUse (bytes)26,088 26,080 -8 -0.0%
Incl. MemUse (bytes) per call 1,373 1,373 -0 -0.0%
Excl. MemUse (bytes)-13,256 -13,256 0 0.0%
Incl. PeakMemUse (bytes)150,872 150,040 -832 -0.6%
Incl. PeakMemUse (bytes) per call 7,941 7,897 -44 -0.6%
Excl. PeakMemUse (bytes)216 216 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Component\Uuid\Php::generate [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\Uuid\Php::generate0 N/A% -51 -54.8% -52 -26.7% -8 -0.0% -832 -2.8%
Exclusive Metrics Diff for Current Function-1 -2.0% -17 -32.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Field\Plugin\Field\FieldType\UuidItem::applyDefaultValue0 N/A% -51 -100.0% -52 -100.0% -8 -100.0% -832 -100.0%
Child functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -46 -90.2% -39 -75.0% -16 -200.0% -832 -100.0%
hash0 N/A% -3 -5.9% -4 -7.7% 0 0.0% 0 0.0%
sprintf0 N/A% -1 -2.0% -1 -1.9% 8 100.0% 0 0.0%
substr0 N/A% 1 2.0% 17 32.7% 0 0.0% 0 0.0%
base_convert0 N/A% -1 -2.0% -8 -15.4% 0 0.0% 0 0.0%