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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5578e7733b8ceRun #5578e832a56c5DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)805 859 54 6.7%
Incl. Wall Time (microsec) per call 805 859 54 6.7%
Excl. Wall Time (microsec)17 21 4 23.5%
Incl. MemUse (bytes)158,736 158,728 -8 -0.0%
Incl. MemUse (bytes) per call 158,736 158,728 -8 -0.0%
Excl. MemUse (bytes)-72,640 -72,800 -160 -0.2%
Incl. PeakMemUse (bytes)260,416 260,696 280 0.1%
Incl. PeakMemUse (bytes) per call 260,416 260,696 280 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 Function4 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%