Diff Report
Run #560d8088818a3: 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 #560d8088818a3Run #560d7dac0c098DiffDiff%
Number of Function Calls122 122 0 0.0%
Incl. Wall Time (microsec)40,078 37,221 -2,857 -7.1%
Incl. Wall Time (microsec) per call 329 305 -23 -7.1%
Excl. Wall Time (microsec)717 722 5 0.7%
Incl. MemUse (bytes)7,531,992 7,530,088 -1,904 -0.0%
Incl. MemUse (bytes) per call 61,738 61,722 -16 -0.0%
Excl. MemUse (bytes)-1,576,000 -1,575,824 176 0.0%
Incl. PeakMemUse (bytes)9,589,432 9,594,456 5,024 0.1%
Incl. PeakMemUse (bytes) per call 78,602 78,643 41 0.1%
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% -2,857 -20.4% -1,904 -7.4% 5,024 18.0%
Exclusive Metrics Diff for Current Function5 0.2% 176 9.2% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -2,857 -100.0% -1,904 -100.0% 5,024 100.0%
Child functions
unserialize0 N/A% -2,743 -96.0% -2,064 -108.4% 5,120 101.9%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -140 -4.9% -24 -1.3% -64 -1.3%
spl_autoload_call0 N/A% 25 0.9% 0 0.0% 0 0.0%
explode0 N/A% -4 -0.1% 8 0.4% -32 -0.6%