Diff Report
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a03772cdd55: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52a03729e7d1aRun #52a03772cdd55DiffDiff%
Number of Function Calls117 117 0 0.0%
Incl. Wall Time (microsec)16,406 16,241 -165 -1.0%
Incl. Wall Time (microsec) per call 140 139 -1 -1.0%
Excl. Wall Time (microsec)1,771 1,720 -51 -2.9%
Incl. CPU (microsecs)16,117 15,957 -160 -1.0%
Incl. CPU (microsecs) per call 138 136 -1 -1.0%
Excl. CPU (microsec)1,617 1,584 -33 -2.0%
Incl. MemUse (bytes)2,299,504 2,299,504 0 0.0%
Incl. MemUse (bytes) per call 19,654 19,654 0 0.0%
Excl. MemUse (bytes)-359,048 -359,048 0 0.0%
Incl. PeakMemUse (bytes)2,769,112 2,769,112 0 0.0%
Incl. PeakMemUse (bytes) per call 23,668 23,668 0 0.0%
Excl. PeakMemUse (bytes)10,144 10,144 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% -165 -4.4% -160 -4.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-51 -30.9% -33 -20.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -165 -100.0% -160 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -191 -115.8% -192 -120.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 79 47.9% 71 44.4% 0 N/A% 0 N/A%
explode0 N/A% -2 -1.2% -6 -3.8% 0 N/A% 0 N/A%