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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51afe7feeb64dRun #51afe83943a2eDiffDiff%
Number of Function Calls96 96 0 0.0%
Incl. Wall Time (microsec)29,455 30,434 979 3.3%
Incl. Wall Time (microsec) per call 307 317 10 3.3%
Excl. Wall Time (microsec)1,865 1,827 -38 -2.0%
Incl. CPU (microsecs)23,008 23,258 250 1.1%
Incl. CPU (microsecs) per call 240 242 3 1.1%
Excl. CPU (microsec)1,701 1,690 -11 -0.6%
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 Function-38 -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%