Diff Report
Run #55323a80ebb82: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #55323afe82890: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55323a80ebb82Run #55323afe82890DiffDiff%
Number of Function Calls114 114 0 0.0%
Incl. Wall Time (microsec)8,154 8,232 78 1.0%
Incl. Wall Time (microsec) per call 72 72 1 1.0%
Excl. Wall Time (microsec)586 584 -2 -0.3%
Incl. MemUse (bytes)3,585,064 3,590,896 5,832 0.2%
Incl. MemUse (bytes) per call 31,448 31,499 51 0.2%
Excl. MemUse (bytes)-636,832 -638,240 -1,408 -0.2%
Incl. PeakMemUse (bytes)3,727,504 3,733,640 6,136 0.2%
Incl. PeakMemUse (bytes) per call 32,697 32,751 54 0.2%
Excl. PeakMemUse (bytes)480 480 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% 78 11.3% 5,832 33.6% 6,136 34.5%
Exclusive Metrics Diff for Current Function-2 -2.6% -1,408 -24.1% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 78 100.0% 5,832 100.0% 6,136 100.0%
Child functions
unserialize0 N/A% 156 200.0% 7,264 124.6% 6,400 104.3%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -74 -94.9% -24 -0.4% -264 -4.3%
explode0 N/A% -2 -2.6% 0 0.0% 0 0.0%