Diff Report
Run #51a14c32c53db: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a14dd399448: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a14c32c53dbRun #51a14dd399448DiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)39,312 39,332 20 0.1%
Incl. Wall Time (microsec) per call 283 283 0 0.1%
Excl. Wall Time (microsec)3,463 3,435 -28 -0.8%
Incl. CPU (microsecs)32,002 36,003 4,001 12.5%
Incl. CPU (microsecs) per call 230 259 29 12.5%
Excl. CPU (microsec)0 4,001 4,001 N/A%
Incl. MemUse (bytes)1,566,484 1,566,896 412 0.0%
Incl. MemUse (bytes) per call 11,270 11,273 3 0.0%
Excl. MemUse (bytes)-353,552 -353,700 -148 -0.0%
Incl. PeakMemUse (bytes)1,905,076 1,912,656 7,580 0.4%
Incl. PeakMemUse (bytes) per call 13,706 13,760 55 0.4%
Excl. PeakMemUse (bytes)6,976 7,088 112 1.6%

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% 20 0.0% 4,001 10.0% 412 1.3% 7,580 23.8%
Exclusive Metrics Diff for Current Function-28 -140.0% 4,001 100.0% -148 -35.9% 112 1.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 20 100.0% 4,001 100.0% 412 100.0% 7,580 100.0%
Child functions
unserialize0 N/A% 42 210.0% -8,001 -200.0% 560 135.9% 8,380 110.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 5 25.0% 8,001 200.0% 0 0.0% -912 -12.0%
explode0 N/A% 1 5.0% 0 0.0% 0 0.0% 0 0.0%