Diff Report
Run #51a462112dd99: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4629fe3743: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a462112dd99Run #51a4629fe3743DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)22,674 22,770 96 0.4%
Incl. Wall Time (microsec) per call 324 325 1 0.4%
Excl. Wall Time (microsec)1,664 1,629 -35 -2.1%
Incl. CPU (microsecs)28,003 32,001 3,998 14.3%
Incl. CPU (microsecs) per call 400 457 57 14.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)719,676 719,676 0 0.0%
Incl. MemUse (bytes) per call 10,281 10,281 0 0.0%
Excl. MemUse (bytes)-173,724 -173,724 0 0.0%
Incl. PeakMemUse (bytes)982,648 982,648 0 0.0%
Incl. PeakMemUse (bytes) per call 14,038 14,038 0 0.0%
Excl. PeakMemUse (bytes)1,688 1,688 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% 96 14.0% 3,998 199900.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-35 -36.5% 4,000 100.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 96 100.0% 3,998 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 66 68.8% 11,999 300.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 65 67.7% -8,001 -200.1% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -4,000 -100.1% 0 N/A% 0 N/A%