Diff Report
Run #5578e32524136: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e29590a73: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5578e32524136Run #5578e29590a73DiffDiff%
Number of Function Calls123 121 -2 -1.6%
Incl. Wall Time (microsec)21,484 20,845 -639 -3.0%
Incl. Wall Time (microsec) per call 175 172 -2 -1.4%
Excl. Wall Time (microsec)958 942 -16 -1.7%
Incl. MemUse (bytes)4,151,424 3,898,368 -253,056 -6.1%
Incl. MemUse (bytes) per call 33,751 32,218 -1,533 -4.5%
Excl. MemUse (bytes)-644,520 -598,376 46,144 7.2%
Incl. PeakMemUse (bytes)5,236,064 4,908,152 -327,912 -6.3%
Incl. PeakMemUse (bytes) per call 42,570 40,563 -2,006 -4.7%
Excl. PeakMemUse (bytes)656 688 32 4.9%

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::prepareItem-2 -25.0% -639 -4.9% -253,056 -44.0% -327,912 -64.6%
Exclusive Metrics Diff for Current Function-16 -2.5% 46,144 18.2% 32 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-2 -100.0% -639 -100.0% -253,056 -100.0% -327,912 -100.0%
Child functions
unserialize-2 -33.3% -623 -97.5% -298,432 -117.9% -324,624 -99.0%
explode-2 -33.3% -3 -0.5% -672 -0.3% 0 0.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid-2 -33.3% 3 0.5% -96 -0.0% -3,320 -1.0%