Diff Report
Run #519ff8a97ec46: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ff7ed8fdf9: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ff8a97ec46Run #519ff7ed8fdf9DiffDiff%
Number of Function Calls83 83 0 0.0%
Incl. Wall Time (microsec)30,680 30,415 -265 -0.9%
Incl. Wall Time (microsec) per call 370 366 -3 -0.9%
Excl. Wall Time (microsec)1,975 2,014 39 2.0%
Incl. CPU (microsecs)24,002 32,001 7,999 33.3%
Incl. CPU (microsecs) per call 289 386 96 33.3%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)732,584 732,584 0 0.0%
Incl. MemUse (bytes) per call 8,826 8,826 0 0.0%
Excl. MemUse (bytes)-172,132 -172,132 0 0.0%
Incl. PeakMemUse (bytes)1,107,200 1,107,200 0 0.0%
Incl. PeakMemUse (bytes) per call 13,340 13,340 0 0.0%
Excl. PeakMemUse (bytes)2,744 2,744 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% -265 -23.3% 7,999 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function39 14.7% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -265 -100.0% 7,999 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -160 -60.4% 4,000 50.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -143 -54.0% 3,999 50.0% 0 N/A% 0 N/A%
explode0 N/A% -1 -0.4% 0 0.0% 0 N/A% 0 N/A%