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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e4189e0e4feRun #52e417f8e04a5DiffDiff%
Number of Function Calls86 86 0 0.0%
Incl. Wall Time (microsec)9,694 9,645 -49 -0.5%
Incl. Wall Time (microsec) per call 113 112 -1 -0.5%
Excl. Wall Time (microsec)863 874 11 1.3%
Incl. CPU (microsecs)8,866 8,804 -62 -0.7%
Incl. CPU (microsecs) per call 103 102 -1 -0.7%
Excl. CPU (microsec)799 765 -34 -4.3%
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 Function11 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%