Diff Report
Run #51865f3c9032e: 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 #51865f3c9032eRun #51865e7532e2cDiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)13,192 13,222 30 0.2%
Incl. Wall Time (microsec) per call 197 197 0 0.2%
Excl. Wall Time (microsec)757 765 8 1.1%
Incl. CPU (microsecs)8,001 20,001 12,000 150.0%
Incl. CPU (microsecs) per call 119 299 179 150.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
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 Function8 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%