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

Drupal\Component\Uuid\Php::generateRun #52f5cb0964fa0Run #52f5cbc19a0d8DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,511 1,562 51 3.4%
Incl. Wall Time (microsec) per call 80 82 3 3.4%
Excl. Wall Time (microsec)471 472 1 0.2%
Incl. CPU (microsecs)1,530 1,582 52 3.4%
Incl. CPU (microsecs) per call 81 83 3 3.4%
Excl. CPU (microsec)279 296 17 6.1%
Incl. MemUse (bytes)26,080 26,088 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)150,040 150,872 832 0.6%
Incl. PeakMemUse (bytes) per call 7,897 7,941 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 Function1 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%