Diff Report
Run #51f3c666a1782: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51f3c80c2ab79: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51f3c666a1782Run #51f3c80c2ab79DiffDiff%
Number of Function Calls175 175 0 0.0%
Incl. Wall Time (microsec)18,037 18,009 -28 -0.2%
Incl. Wall Time (microsec) per call 103 103 -0 -0.2%
Excl. Wall Time (microsec)1,933 1,937 4 0.2%
Incl. CPU (microsecs)8,000 12,002 4,002 50.0%
Incl. CPU (microsecs) per call 46 69 23 50.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)3,845,576 3,846,288 712 0.0%
Incl. MemUse (bytes) per call 21,975 21,979 4 0.0%
Excl. MemUse (bytes)-631,216 -631,256 -40 -0.0%
Incl. PeakMemUse (bytes)4,746,528 4,746,480 -48 -0.0%
Incl. PeakMemUse (bytes) per call 27,123 27,123 -0 -0.0%
Excl. PeakMemUse (bytes)18,488 18,488 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. 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% -28 -2.4% 4,002 N/A% 712 34.1% -48 -0.8%
Exclusive Metrics Diff for Current Function4 14.3% 0 0.0% -40 -5.6% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -28 -100.0% 4,002 100.0% 712 100.0% -48 -100.0%
Child functions
unserialize0 N/A% -40 -142.9% 4,002 100.0% 576 80.9% -240 -500.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 8 28.6% 0 0.0% 176 24.7% 192 400.0%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%