Diff Report
Run #51a191a350534: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a19213db58a: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a191a350534Run #51a19213db58aDiffDiff%
Number of Function Calls64 64 0 0.0%
Incl. Wall Time (microsec)21,503 21,598 95 0.4%
Incl. Wall Time (microsec) per call 336 337 1 0.4%
Excl. Wall Time (microsec)1,528 1,452 -76 -5.0%
Incl. CPU (microsecs)12,001 24,001 12,000 100.0%
Incl. CPU (microsecs) per call 188 375 188 100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)688,628 688,628 0 0.0%
Incl. MemUse (bytes) per call 10,760 10,760 0 0.0%
Excl. MemUse (bytes)-167,824 -167,824 0 0.0%
Incl. PeakMemUse (bytes)943,924 943,924 0 0.0%
Incl. PeakMemUse (bytes) per call 14,749 14,749 0 0.0%
Excl. PeakMemUse (bytes)1,932 1,932 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% 95 55.2% 12,000 300.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-76 -80.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 95 100.0% 12,000 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 128 134.7% 12,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 43 45.3% 0 0.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%