Diff Report
Run #5578e29590a73: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e2f4f233d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5578e29590a73Run #5578e2f4f233dDiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)20,845 20,684 -161 -0.8%
Incl. Wall Time (microsec) per call 172 171 -1 -0.8%
Excl. Wall Time (microsec)942 960 18 1.9%
Incl. MemUse (bytes)3,898,368 3,898,368 0 0.0%
Incl. MemUse (bytes) per call 32,218 32,218 0 0.0%
Excl. MemUse (bytes)-598,376 -598,376 0 0.0%
Incl. PeakMemUse (bytes)4,908,152 4,908,152 0 0.0%
Incl. PeakMemUse (bytes) per call 40,563 40,563 0 0.0%
Excl. PeakMemUse (bytes)688 688 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% -161 -88.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function18 11.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -161 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -236 -146.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 67 41.6% 0 N/A% 0 N/A%
explode0 N/A% -10 -6.2% 0 N/A% 0 N/A%