Diff Report
Run #51a14c32c53db: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a14d7a98950: 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 #51a14d7a98950DiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)39,312 39,523 211 0.5%
Incl. Wall Time (microsec) per call 283 284 2 0.5%
Excl. Wall Time (microsec)3,463 3,450 -13 -0.4%
Incl. CPU (microsecs)32,002 40,002 8,000 25.0%
Incl. CPU (microsecs) per call 230 288 58 25.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,566,484 1,566,484 0 0.0%
Incl. MemUse (bytes) per call 11,270 11,270 0 0.0%
Excl. MemUse (bytes)-353,552 -353,552 0 0.0%
Incl. PeakMemUse (bytes)1,905,076 1,905,076 0 0.0%
Incl. PeakMemUse (bytes) per call 13,706 13,706 0 0.0%
Excl. PeakMemUse (bytes)6,976 6,976 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% 211 2.2% 8,000 66.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -6.2% 4,000 50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 211 100.0% 8,000 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 142 67.3% 4,000 50.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 81 38.4% 0 0.0% 0 N/A% 0 N/A%
explode0 N/A% 1 0.5% 0 0.0% 0 N/A% 0 N/A%