Diff Report
Run #550de0f0bfc62: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #550de0b43acdf: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #550de0f0bfc62Run #550de0b43acdfDiffDiff%
Number of Function Calls17 17 0 0.0%
Incl. Wall Time (microsec)2,615 2,786 171 6.5%
Incl. Wall Time (microsec) per call 154 164 10 6.5%
Excl. Wall Time (microsec)203 226 23 11.3%
Incl. MemUse (bytes)247,496 247,496 0 0.0%
Incl. MemUse (bytes) per call 14,559 14,559 0 0.0%
Excl. MemUse (bytes)-30,240 -30,240 0 0.0%
Incl. PeakMemUse (bytes)221,344 221,344 0 0.0%
Incl. PeakMemUse (bytes) per call 13,020 13,020 0 0.0%
Excl. PeakMemUse (bytes)680 680 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% 171 32.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function23 13.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 171 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 74 43.3% 0 N/A% 0 N/A%
unserialize0 N/A% 73 42.7% 0 N/A% 0 N/A%
explode0 N/A% 1 0.6% 0 N/A% 0 N/A%