Diff Report
Run #51f628573214c: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51f62a3af1f52: 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 #51f62a3af1f52DiffDiff%
Number of Function Calls175 175 0 0.0%
Incl. Wall Time (microsec)17,909 17,918 9 0.1%
Incl. Wall Time (microsec) per call 102 102 0 0.1%
Excl. Wall Time (microsec)1,908 1,911 3 0.2%
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 8,000 8,000 N/A%
Incl. MemUse (bytes)3,843,904 3,843,904 0 0.0%
Incl. MemUse (bytes) per call 21,965 21,965 0 0.0%
Excl. MemUse (bytes)-630,808 -630,808 0 0.0%
Incl. PeakMemUse (bytes)4,750,272 4,750,272 0 0.0%
Incl. PeakMemUse (bytes) per call 27,144 27,144 0 0.0%
Excl. PeakMemUse (bytes)18,320 18,320 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% 9 2.4% 3,999 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 33.3% 8,000 200.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 9 100.0% 3,999 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 14 155.6% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -7 -77.8% -4,001 -100.1% 0 N/A% 0 N/A%
explode0 N/A% -1 -11.1% 0 0.0% 0 N/A% 0 N/A%