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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5608311397db4Run #560831fb3d4d9DiffDiff%
Number of Function Calls211 211 0 0.0%
Incl. Wall Time (microsec)23,940 24,106 166 0.7%
Incl. Wall Time (microsec) per call 113 114 1 0.7%
Excl. Wall Time (microsec)1,424 1,415 -9 -0.6%
Incl. MemUse (bytes)5,602,184 5,733,584 131,400 2.3%
Incl. MemUse (bytes) per call 26,551 27,173 623 2.3%
Excl. MemUse (bytes)-1,512,656 -1,512,808 -152 -0.0%
Incl. PeakMemUse (bytes)7,635,792 7,880,904 245,112 3.2%
Incl. PeakMemUse (bytes) per call 36,189 37,350 1,162 3.2%
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 Function-9 -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%