Diff Report
Run #51865e7532e2c: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51865f3c9032e: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51865e7532e2cRun #51865f3c9032eDiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)13,222 13,192 -30 -0.2%
Incl. Wall Time (microsec) per call 197 197 -0 -0.2%
Excl. Wall Time (microsec)765 757 -8 -1.0%
Incl. CPU (microsecs)20,001 8,001 -12,000 -60.0%
Incl. CPU (microsecs) per call 299 119 -179 -60.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)2,165,872 2,165,872 0 0.0%
Incl. MemUse (bytes) per call 32,326 32,326 0 0.0%
Excl. MemUse (bytes)-183,960 -183,960 0 0.0%
Incl. PeakMemUse (bytes)2,730,344 2,730,344 0 0.0%
Incl. PeakMemUse (bytes) per call 40,751 40,751 0 0.0%
Excl. PeakMemUse (bytes)10,904 10,904 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% -30 -142.9% -12,000 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -26.7% -4,000 -33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -30 -100.0% -12,000 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -27 -90.0% -8,000 -66.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 5 16.7% 0 0.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%