Diff Report
Run #51a4629fe3743: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a462112dd99: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51a4629fe3743Run #51a462112dd99DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)907 861 -46 -5.1%
Incl. Wall Time (microsec) per call 130 123 -7 -5.1%
Excl. Wall Time (microsec)166 159 -7 -4.2%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 571 0 -571 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)37,628 37,628 0 0.0%
Incl. MemUse (bytes) per call 5,375 5,375 0 0.0%
Excl. MemUse (bytes)-11,628 -11,628 0 0.0%
Incl. PeakMemUse (bytes)38,872 38,872 0 0.0%
Incl. PeakMemUse (bytes) per call 5,553 5,553 0 0.0%
Excl. PeakMemUse (bytes)732 732 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -46 -6.7% -4,000 -200000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-7 -15.2% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -46 -100.0% -4,000 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -36 -78.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -3 -6.5% -4,000 -100.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%