Diff Report
Run #51afe83943a2e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe7feeb64d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51afe83943a2eRun #51afe7feeb64dDiffDiff%
Number of Function Calls96 96 0 0.0%
Incl. Wall Time (microsec)30,434 29,455 -979 -3.2%
Incl. Wall Time (microsec) per call 317 307 -10 -3.2%
Excl. Wall Time (microsec)1,827 1,865 38 2.1%
Incl. CPU (microsecs)23,258 23,008 -250 -1.1%
Incl. CPU (microsecs) per call 242 240 -3 -1.1%
Excl. CPU (microsec)1,690 1,701 11 0.7%
Incl. MemUse (bytes)1,958,208 1,958,208 0 0.0%
Incl. MemUse (bytes) per call 20,398 20,398 0 0.0%
Excl. MemUse (bytes)-267,264 -267,264 0 0.0%
Incl. PeakMemUse (bytes)2,258,160 2,258,160 0 0.0%
Incl. PeakMemUse (bytes) per call 23,523 23,523 0 0.0%
Excl. PeakMemUse (bytes)5,672 5,672 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% -979 -324.2% -250 -268.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function38 3.9% 11 4.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -979 -100.0% -250 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -1,994 -203.7% -441 -176.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 979 100.0% 188 75.2% 0 N/A% 0 N/A%
explode0 N/A% -2 -0.2% -8 -3.2% 0 N/A% 0 N/A%