Diff Report
Run #51867a69ed6b7: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51865e7532e2c: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51867a69ed6b7Run #51865e7532e2cDiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)13,265 13,222 -43 -0.3%
Incl. Wall Time (microsec) per call 198 197 -1 -0.3%
Excl. Wall Time (microsec)764 765 1 0.1%
Incl. CPU (microsecs)16,000 20,001 4,001 25.0%
Incl. CPU (microsecs) per call 239 299 60 25.0%
Excl. CPU (microsec)4,000 4,000 0 0.0%
Incl. MemUse (bytes)2,165,816 2,165,872 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)2,730,088 2,730,344 256 0.0%
Incl. PeakMemUse (bytes) per call 40,748 40,751 4 0.0%
Excl. PeakMemUse (bytes)10,984 10,904 -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% -43 -11.8% 4,001 N/A% 56 2.2% 256 10.5%
Exclusive Metrics Diff for Current Function1 2.3% 0 0.0% 0 0.0% -80 -31.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -43 -100.0% 4,001 100.0% 56 100.0% 256 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -98 -227.9% -4,000 -100.0% 8 14.3% 8 3.1%
unserialize0 N/A% 54 125.6% 8,001 200.0% 48 85.7% 328 128.1%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%