Diff Report
Run #51afe7feeb64d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe875368e3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51afe7feeb64dRun #51afe875368e3DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)611 796 185 30.3%
Incl. Wall Time (microsec) per call 87 114 26 30.3%
Excl. Wall Time (microsec)111 133 22 19.8%
Incl. CPU (microsecs)542 625 83 15.3%
Incl. CPU (microsecs) per call 77 89 12 15.3%
Excl. CPU (microsec)95 123 28 29.5%
Incl. MemUse (bytes)75,672 75,672 0 0.0%
Incl. MemUse (bytes) per call 10,810 10,810 0 0.0%
Excl. MemUse (bytes)-11,944 -11,944 0 0.0%
Incl. PeakMemUse (bytes)70,456 70,456 0 0.0%
Incl. PeakMemUse (bytes) per call 10,065 10,065 0 0.0%
Excl. PeakMemUse (bytes)1,968 1,968 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 185 118.6% 83 138.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function22 11.9% 28 33.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 185 100.0% 83 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 150 81.1% 44 53.0% 0 N/A% 0 N/A%
unserialize@10 N/A% 12 6.5% 13 15.7% 0 N/A% 0 N/A%
explode0 N/A% 1 0.5% -2 -2.4% 0 N/A% 0 N/A%