Diff Report
Run #51a462112dd99: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4629fe3743: 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 #51a462112dd99Run #51a4629fe3743DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)861 907 46 5.3%
Incl. Wall Time (microsec) per call 123 130 7 5.3%
Excl. Wall Time (microsec)159 166 7 4.4%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 571 571 N/A%
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 Function7 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%