Diff Report
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e4189e0e4fe: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e417f8e04a5Run #52e4189e0e4feDiffDiff%
Number of Function Calls86 86 0 0.0%
Incl. Wall Time (microsec)9,645 9,694 49 0.5%
Incl. Wall Time (microsec) per call 112 113 1 0.5%
Excl. Wall Time (microsec)874 863 -11 -1.3%
Incl. CPU (microsecs)8,804 8,866 62 0.7%
Incl. CPU (microsecs) per call 102 103 1 0.7%
Excl. CPU (microsec)765 799 34 4.4%
Incl. MemUse (bytes)2,033,096 2,033,096 0 0.0%
Incl. MemUse (bytes) per call 23,641 23,641 0 0.0%
Excl. MemUse (bytes)-390,088 -390,088 0 0.0%
Incl. PeakMemUse (bytes)2,598,008 2,598,008 0 0.0%
Incl. PeakMemUse (bytes) per call 30,209 30,209 0 0.0%
Excl. PeakMemUse (bytes)6,880 6,880 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% 49 13.2% 62 17.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-11 -22.4% 34 54.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 49 100.0% 62 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 66 134.7% 45 72.6% 0 N/A% 0 N/A%
unserialize0 N/A% -6 -12.2% -20 -32.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 3 4.8% 0 N/A% 0 N/A%