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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52c6423bf12deRun #52c641a950046DiffDiff%
Number of Function Calls155 155 0 0.0%
Incl. Wall Time (microsec)11,793 11,818 25 0.2%
Incl. Wall Time (microsec) per call 76 76 0 0.2%
Excl. Wall Time (microsec)1,512 1,537 25 1.7%
Incl. CPU (microsecs)10,899 10,964 65 0.6%
Incl. CPU (microsecs) per call 70 71 0 0.6%
Excl. CPU (microsec)1,320 1,344 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 Function25 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%