Diff Report
Run #5578e832a56c5: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e7733b8ce: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5578e832a56c5Run #5578e7733b8ceDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)859 805 -54 -6.3%
Incl. Wall Time (microsec) per call 859 805 -54 -6.3%
Excl. Wall Time (microsec)21 17 -4 -19.0%
Incl. MemUse (bytes)158,728 158,736 8 0.0%
Incl. MemUse (bytes) per call 158,728 158,736 8 0.0%
Excl. MemUse (bytes)-72,800 -72,640 160 0.2%
Incl. PeakMemUse (bytes)260,696 260,416 -280 -0.1%
Incl. PeakMemUse (bytes) per call 260,696 260,416 -280 -0.1%
Excl. PeakMemUse (bytes)816 816 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% -54 -415.4% 8 4.2% -280 -120.7%
Exclusive Metrics Diff for Current Function-4 -7.4% 160 2000.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -54 -100.0% 8 100.0% -280 -100.0%
Child functions
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -33 -61.1% 0 0.0% 40 14.3%
unserialize0 N/A% -9 -16.7% -152 -1900.0% -408 -145.7%
spl_autoload_call0 N/A% -7 -13.0% 0 0.0% 0 0.0%
explode0 N/A% -1 -1.9% 0 0.0% 88 31.4%