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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51f628573214cRun #51f62b0e7bc11DiffDiff%
Number of Function Calls175 175 0 0.0%
Incl. Wall Time (microsec)17,909 17,977 68 0.4%
Incl. Wall Time (microsec) per call 102 103 0 0.4%
Excl. Wall Time (microsec)1,908 1,925 17 0.9%
Incl. CPU (microsecs)12,002 16,001 3,999 33.3%
Incl. CPU (microsecs) per call 69 91 23 33.3%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)3,843,904 3,866,944 23,040 0.6%
Incl. MemUse (bytes) per call 21,965 22,097 132 0.6%
Excl. MemUse (bytes)-630,808 -633,376 -2,568 -0.4%
Incl. PeakMemUse (bytes)4,750,272 4,771,688 21,416 0.5%
Incl. PeakMemUse (bytes) per call 27,144 27,267 122 0.5%
Excl. PeakMemUse (bytes)18,320 18,288 -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 Function17 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%