Diff Report
Run #519aac051ded1: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519aaadf29b61: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519aac051ded1Run #519aaadf29b61DiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)45,249 45,307 58 0.1%
Incl. Wall Time (microsec) per call 345 346 0 0.1%
Excl. Wall Time (microsec)2,871 2,894 23 0.8%
Incl. CPU (microsecs)36,002 44,004 8,002 22.2%
Incl. CPU (microsecs) per call 275 336 61 22.2%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,166,516 1,166,516 0 0.0%
Incl. MemUse (bytes) per call 8,905 8,905 0 0.0%
Excl. MemUse (bytes)-919,172 -919,172 0 0.0%
Incl. PeakMemUse (bytes)2,156,608 2,156,608 0 0.0%
Incl. PeakMemUse (bytes) per call 16,463 16,463 0 0.0%
Excl. PeakMemUse (bytes)5,912 5,912 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% 58 1.5% 8,002 200.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function23 39.7% 4,000 50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 58 100.0% 8,002 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 128 220.7% 16,003 200.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -94 -162.1% -12,001 -150.0% 0 N/A% 0 N/A%
explode0 N/A% 1 1.7% 0 0.0% 0 N/A% 0 N/A%