Diff Report
Run #519ea884c38e9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519ea984d991e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Component\Uuid\Php::generate

Drupal\Component\Uuid\Php::generateRun #519ea884c38e9Run #519ea984d991eDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)887 874 -13 -1.5%
Incl. Wall Time (microsec) per call 296 291 -4 -1.5%
Excl. Wall Time (microsec)109 113 4 3.7%
Incl. CPU (microsecs)893 877 -16 -1.8%
Incl. CPU (microsecs) per call 298 292 -5 -1.8%
Excl. CPU (microsec)73 71 -2 -2.7%
Incl. MemUse (bytes)29,072 29,072 0 0.0%
Incl. MemUse (bytes) per call 9,691 9,691 0 0.0%
Excl. MemUse (bytes)-192 -184 8 4.2%
Incl. PeakMemUse (bytes)49,040 49,056 16 0.0%
Incl. PeakMemUse (bytes) per call 16,347 16,352 5 0.0%
Excl. PeakMemUse (bytes)752 752 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% -13 -0.0% -16 -0.0% 0 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function4 30.8% -2 -12.5% 8 N/A% 0 0.0%
Parent function
Drupal\Component\Uuid\Uuid::generate0 N/A% -13 -100.0% -16 -100.0% 0 N/A% 16 100.0%
Child functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -18 -138.5% -18 -112.5% 16 N/A% 16 100.0%
substr0 N/A% -2 -15.4% 5 31.2% 0 N/A% 0 0.0%
sprintf0 N/A% 1 7.7% 4 25.0% 0 N/A% 0 0.0%
base_convert0 N/A% 1 7.7% -4 -25.0% -8 N/A% 0 0.0%
hash0 N/A% 1 7.7% -1 -6.2% -16 N/A% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%