Diff Report
Run #55a8733f9d19a: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #55a8732244c39: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55a8733f9d19aRun #55a8732244c39DiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)5,201 5,060 -141 -2.7%
Incl. Wall Time (microsec) per call 90 87 -2 -2.7%
Excl. Wall Time (microsec)295 300 5 1.7%
Incl. MemUse (bytes)2,390,904 2,390,904 0 0.0%
Incl. MemUse (bytes) per call 41,222 41,222 0 0.0%
Excl. MemUse (bytes)-323,184 -323,184 0 0.0%
Incl. PeakMemUse (bytes)2,999,168 2,999,168 0 0.0%
Incl. PeakMemUse (bytes) per call 51,710 51,710 0 0.0%
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% -141 -188.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 3.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -141 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -90 -63.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -57 -40.4% 0 N/A% 0 N/A%
explode0 N/A% 1 0.7% 0 N/A% 0 N/A%