Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c6423bf12de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52c641a950046Run #52c6423bf12deDiffDiff%
Number of Function Calls155 155 0 0.0%
Incl. Wall Time (microsec)11,818 11,793 -25 -0.2%
Incl. Wall Time (microsec) per call 76 76 -0 -0.2%
Excl. Wall Time (microsec)1,537 1,512 -25 -1.6%
Incl. CPU (microsecs)10,964 10,899 -65 -0.6%
Incl. CPU (microsecs) per call 71 70 -0 -0.6%
Excl. CPU (microsec)1,344 1,320 -24 -1.8%
Incl. MemUse (bytes)2,169,336 2,169,336 0 0.0%
Incl. MemUse (bytes) per call 13,996 13,996 0 0.0%
Excl. MemUse (bytes)-533,184 -533,184 0 0.0%
Incl. PeakMemUse (bytes)2,476,640 2,476,640 0 0.0%
Incl. PeakMemUse (bytes) per call 15,978 15,978 0 0.0%
Excl. PeakMemUse (bytes)6,720 6,720 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% -25 -5.2% -65 -15.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-25 -100.0% -24 -36.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -25 -100.0% -65 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -54 -216.0% -53 -81.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 53 212.0% 8 12.3% 0 N/A% 0 N/A%
explode0 N/A% 1 4.0% 4 6.2% 0 N/A% 0 N/A%