Diff Report
Run #51a4f50036185: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4ffaaeb078: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a4f50036185Run #51a4ffaaeb078DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)23,013 22,943 -70 -0.3%
Incl. Wall Time (microsec) per call 329 328 -1 -0.3%
Excl. Wall Time (microsec)1,603 1,602 -1 -0.1%
Incl. CPU (microsecs)24,002 32,002 8,000 33.3%
Incl. CPU (microsecs) per call 343 457 114 33.3%
Excl. CPU (microsec)8,000 0 -8,000 -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% -70 -1.8% 8,000 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -1.4% -8,000 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -70 -100.0% 8,000 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -62 -88.6% 11,999 150.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -4 -5.7% 8,002 100.0% 0 N/A% 0 N/A%
explode0 N/A% -3 -4.3% -4,001 -50.0% 0 N/A% 0 N/A%