Diff Report
Run #51865e7532e2c: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51865f6e876d3: 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 #51865f6e876d3DiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)13,222 13,195 -27 -0.2%
Incl. Wall Time (microsec) per call 197 197 -0 -0.2%
Excl. Wall Time (microsec)765 768 3 0.4%
Incl. CPU (microsecs)20,001 12,002 -7,999 -40.0%
Incl. CPU (microsecs) per call 299 179 -119 -40.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)2,165,872 2,165,816 -56 -0.0%
Incl. MemUse (bytes) per call 32,326 32,326 -1 -0.0%
Excl. MemUse (bytes)-183,960 -183,960 0 0.0%
Incl. PeakMemUse (bytes)2,730,344 2,730,088 -256 -0.0%
Incl. PeakMemUse (bytes) per call 40,751 40,748 -4 -0.0%
Excl. PeakMemUse (bytes)10,904 10,984 80 0.7%

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% -27 -11.7% -7,999 -199.9% -56 -2.2% -256 -10.5%
Exclusive Metrics Diff for Current Function3 11.1% -4,000 -50.0% 0 0.0% 80 31.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -27 -100.0% -7,999 -100.0% -56 -100.0% -256 -100.0%
Child functions
unserialize0 N/A% -44 -163.0% -3,999 -50.0% -48 -85.7% -328 -128.1%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 14 51.9% 0 0.0% -8 -14.3% -8 -3.1%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%