Diff Report
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d8088818a3: 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 #560d8088818a3DiffDiff%
Number of Function Calls122 122 0 0.0%
Incl. Wall Time (microsec)37,221 40,078 2,857 7.7%
Incl. Wall Time (microsec) per call 305 329 23 7.7%
Excl. Wall Time (microsec)722 717 -5 -0.7%
Incl. MemUse (bytes)7,530,088 7,531,992 1,904 0.0%
Incl. MemUse (bytes) per call 61,722 61,738 16 0.0%
Excl. MemUse (bytes)-1,575,824 -1,576,000 -176 -0.0%
Incl. PeakMemUse (bytes)9,594,456 9,589,432 -5,024 -0.1%
Incl. PeakMemUse (bytes) per call 78,643 78,602 -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 Function-5 -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%