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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52a03772cdd55Run #52a03729e7d1aDiffDiff%
Number of Function Calls117 117 0 0.0%
Incl. Wall Time (microsec)16,241 16,406 165 1.0%
Incl. Wall Time (microsec) per call 139 140 1 1.0%
Excl. Wall Time (microsec)1,720 1,771 51 3.0%
Incl. CPU (microsecs)15,957 16,117 160 1.0%
Incl. CPU (microsecs) per call 136 138 1 1.0%
Excl. CPU (microsec)1,584 1,617 33 2.1%
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 Function51 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%