Diff Report
Run #560831fb3d4d9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5608311397db4: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #560831fb3d4d9Run #5608311397db4DiffDiff%
Number of Function Calls211 211 0 0.0%
Incl. Wall Time (microsec)24,106 23,940 -166 -0.7%
Incl. Wall Time (microsec) per call 114 113 -1 -0.7%
Excl. Wall Time (microsec)1,415 1,424 9 0.6%
Incl. MemUse (bytes)5,733,584 5,602,184 -131,400 -2.3%
Incl. MemUse (bytes) per call 27,173 26,551 -623 -2.3%
Excl. MemUse (bytes)-1,512,808 -1,512,656 152 0.0%
Incl. PeakMemUse (bytes)7,880,904 7,635,792 -245,112 -3.1%
Incl. PeakMemUse (bytes) per call 37,350 36,189 -1,162 -3.1%
Excl. PeakMemUse (bytes)968 968 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -166 -0.4% -131,400 -639.4% -245,112 -1143.2%
Exclusive Metrics Diff for Current Function9 5.4% 152 0.1% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -166 -100.0% -131,400 -100.0% -245,112 -100.0%
Child functions
unserialize0 N/A% -164 -98.8% -131,560 -100.1% -244,952 -99.9%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -24 -14.5% 0 0.0% 8 0.0%
spl_autoload_call0 N/A% 15 9.0% 0 0.0% 88 0.0%
explode0 N/A% -2 -1.2% 8 0.0% -256 -0.1%