Diff Report
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a037bb4f6e8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52a03729e7d1aRun #52a037bb4f6e8DiffDiff%
Number of Function Calls117 117 0 0.0%
Incl. Wall Time (microsec)16,406 16,398 -8 -0.0%
Incl. Wall Time (microsec) per call 140 140 -0 -0.0%
Excl. Wall Time (microsec)1,771 1,785 14 0.8%
Incl. CPU (microsecs)16,117 16,113 -4 -0.0%
Incl. CPU (microsecs) per call 138 138 -0 -0.0%
Excl. CPU (microsec)1,617 1,659 42 2.6%
Incl. MemUse (bytes)2,299,504 2,299,848 344 0.0%
Incl. MemUse (bytes) per call 19,654 19,657 3 0.0%
Excl. MemUse (bytes)-359,048 -359,120 -72 -0.0%
Incl. PeakMemUse (bytes)2,769,112 2,769,168 56 0.0%
Incl. PeakMemUse (bytes) per call 23,668 23,668 0 0.0%
Excl. PeakMemUse (bytes)10,144 10,216 72 0.7%

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. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -8 -1.0% -4 -0.5% 344 0.5% 56 0.1%
Exclusive Metrics Diff for Current Function14 175.0% 42 1050.0% -72 -20.9% 72 128.6%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -8 -100.0% -4 -100.0% 344 100.0% 56 100.0%
Child functions
unserialize0 N/A% -196 -2450.0% -210 -5250.0% 416 120.9% -304 -542.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 172 2150.0% 164 4100.0% 0 0.0% 272 485.7%
explode0 N/A% 2 25.0% 0 0.0% 0 0.0% 16 28.6%