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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #560d7dac0c098Run #560d810c7abbaDiffDiff%
Number of Function Calls122 122 0 0.0%
Incl. Wall Time (microsec)37,221 38,126 905 2.4%
Incl. Wall Time (microsec) per call 305 313 7 2.4%
Excl. Wall Time (microsec)722 702 -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 Function-20 -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%