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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a4629fe3743Run #51a462112dd99DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)22,770 22,674 -96 -0.4%
Incl. Wall Time (microsec) per call 325 324 -1 -0.4%
Excl. Wall Time (microsec)1,629 1,664 35 2.1%
Incl. CPU (microsecs)32,001 28,003 -3,998 -12.5%
Incl. CPU (microsecs) per call 457 400 -57 -12.5%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
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 Function35 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%