Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Uuid\Php::generate

Drupal\Component\Uuid\Php::generateRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,023 1,135 112 10.9%
Incl. Wall Time (microsec) per call 512 568 56 10.9%
Excl. Wall Time (microsec)92 96 4 4.3%
Incl. CPU (microsecs)1,026 1,138 112 10.9%
Incl. CPU (microsecs) per call 513 569 56 10.9%
Excl. CPU (microsec)66 72 6 9.1%
Incl. MemUse (bytes)29,456 29,520 64 0.2%
Incl. MemUse (bytes) per call 14,728 14,760 32 0.2%
Excl. MemUse (bytes)624 648 24 3.8%
Incl. PeakMemUse (bytes)40,712 40,760 48 0.1%
Incl. PeakMemUse (bytes) per call 20,356 20,380 24 0.1%
Excl. PeakMemUse (bytes)656 656 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% 112 40.9% 112 43.1% 64 400.0% 48 75.0%
Exclusive Metrics Diff for Current Function4 3.6% 6 5.4% 24 37.5% 0 0.0%
Parent function
Drupal\Component\Uuid\Uuid::generate0 N/A% 112 100.0% 112 100.0% 64 100.0% 48 100.0%
Child functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 99 88.4% 99 88.4% 48 75.0% 48 100.0%
substr0 N/A% 8 7.1% 9 8.0% 0 0.0% 0 0.0%
hash0 N/A% 1 0.9% 0 0.0% -8 -12.5% 0 0.0%
sprintf0 N/A% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
base_convert0 N/A% 0 0.0% -2 -1.8% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 0 0.0% 1 0.9% 0 0.0% 0 0.0%