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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52a037bb4f6e8Run #52a03729e7d1aDiffDiff%
Number of Function Calls117 117 0 0.0%
Incl. Wall Time (microsec)16,398 16,406 8 0.0%
Incl. Wall Time (microsec) per call 140 140 0 0.0%
Excl. Wall Time (microsec)1,785 1,771 -14 -0.8%
Incl. CPU (microsecs)16,113 16,117 4 0.0%
Incl. CPU (microsecs) per call 138 138 0 0.0%
Excl. CPU (microsec)1,659 1,617 -42 -2.5%
Incl. MemUse (bytes)2,299,848 2,299,504 -344 -0.0%
Incl. MemUse (bytes) per call 19,657 19,654 -3 -0.0%
Excl. MemUse (bytes)-359,120 -359,048 72 0.0%
Incl. PeakMemUse (bytes)2,769,168 2,769,112 -56 -0.0%
Incl. PeakMemUse (bytes) per call 23,668 23,668 -0 -0.0%
Excl. PeakMemUse (bytes)10,216 10,144 -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 Function-14 -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%