Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c642960e9a6: 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 #52c642960e9a6DiffDiff%
Number of Function Calls155 155 0 0.0%
Incl. Wall Time (microsec)11,818 11,781 -37 -0.3%
Incl. Wall Time (microsec) per call 76 76 -0 -0.3%
Excl. Wall Time (microsec)1,537 1,526 -11 -0.7%
Incl. CPU (microsecs)10,964 10,915 -49 -0.4%
Incl. CPU (microsecs) per call 71 70 -0 -0.4%
Excl. CPU (microsec)1,344 1,315 -29 -2.2%
Incl. MemUse (bytes)2,169,336 2,169,008 -328 -0.0%
Incl. MemUse (bytes) per call 13,996 13,994 -2 -0.0%
Excl. MemUse (bytes)-533,184 -533,368 -184 -0.0%
Incl. PeakMemUse (bytes)2,476,640 2,461,976 -14,664 -0.6%
Incl. PeakMemUse (bytes) per call 15,978 15,884 -95 -0.6%
Excl. PeakMemUse (bytes)6,720 6,648 -72 -1.1%

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% -37 -1.3% -49 -1.9% -328 -1.2% -14,664 -44.9%
Exclusive Metrics Diff for Current Function-11 -29.7% -29 -59.2% -184 -56.1% -72 -0.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -37 -100.0% -49 -100.0% -328 -100.0% -14,664 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -75 -202.7% -78 -159.2% 16 4.9% -216 -1.5%
unserialize0 N/A% 46 124.3% 50 102.0% -192 -58.5% -14,400 -98.2%
explode0 N/A% 3 8.1% 8 16.3% 32 9.8% 24 0.2%