Diff Report
Run #51f62b0e7bc11: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51f628573214c: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51f62b0e7bc11Run #51f628573214cDiffDiff%
Number of Function Calls175 175 0 0.0%
Incl. Wall Time (microsec)17,977 17,909 -68 -0.4%
Incl. Wall Time (microsec) per call 103 102 -0 -0.4%
Excl. Wall Time (microsec)1,925 1,908 -17 -0.9%
Incl. CPU (microsecs)16,001 12,002 -3,999 -25.0%
Incl. CPU (microsecs) per call 91 69 -23 -25.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)3,866,944 3,843,904 -23,040 -0.6%
Incl. MemUse (bytes) per call 22,097 21,965 -132 -0.6%
Excl. MemUse (bytes)-633,376 -630,808 2,568 0.4%
Incl. PeakMemUse (bytes)4,771,688 4,750,272 -21,416 -0.4%
Incl. PeakMemUse (bytes) per call 27,267 27,144 -122 -0.4%
Excl. PeakMemUse (bytes)18,288 18,320 32 0.2%

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% -68 -0.4% -3,999 -20.0% -23,040 -5.1% -21,416 -4.8%
Exclusive Metrics Diff for Current Function-17 -25.0% 0 0.0% 2,568 11.1% 32 0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -68 -100.0% -3,999 -100.0% -23,040 -100.0% -21,416 -100.0%
Child functions
unserialize0 N/A% -28 -41.2% -4,000 -100.0% -25,496 -110.7% -23,880 -111.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -22 -32.4% 1 0.0% -64 -0.3% 2,432 11.4%
explode0 N/A% -1 -1.5% 0 0.0% -48 -0.2% 0 0.0%