Diff Report
Run #560d810c7abba: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #560d810c7abbaRun #560d7dac0c098DiffDiff%
Number of Function Calls122 122 0 0.0%
Incl. Wall Time (microsec)38,126 37,221 -905 -2.4%
Incl. Wall Time (microsec) per call 313 305 -7 -2.4%
Excl. Wall Time (microsec)702 722 20 2.8%
Incl. MemUse (bytes)7,530,088 7,530,088 0 0.0%
Incl. MemUse (bytes) per call 61,722 61,722 0 0.0%
Excl. MemUse (bytes)-1,575,824 -1,575,824 0 0.0%
Incl. PeakMemUse (bytes)9,594,456 9,594,456 0 0.0%
Incl. PeakMemUse (bytes) per call 78,643 78,643 0 0.0%
Excl. PeakMemUse (bytes)240 240 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% -905 -57.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function20 2.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -905 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -868 -95.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -70 -7.7% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 18 2.0% 0 N/A% 0 N/A%
explode0 N/A% -5 -0.6% 0 N/A% 0 N/A%