Diff Report
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e418f395327: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e417f8e04a5Run #52e418f395327DiffDiff%
Number of Function Calls86 86 0 0.0%
Incl. Wall Time (microsec)9,645 9,707 62 0.6%
Incl. Wall Time (microsec) per call 112 113 1 0.6%
Excl. Wall Time (microsec)874 861 -13 -1.5%
Incl. CPU (microsecs)8,804 8,880 76 0.9%
Incl. CPU (microsecs) per call 102 103 1 0.9%
Excl. CPU (microsec)765 774 9 1.2%
Incl. MemUse (bytes)2,033,096 2,030,024 -3,072 -0.2%
Incl. MemUse (bytes) per call 23,641 23,605 -36 -0.2%
Excl. MemUse (bytes)-390,088 -389,528 560 0.1%
Incl. PeakMemUse (bytes)2,598,008 2,592,960 -5,048 -0.2%
Incl. PeakMemUse (bytes) per call 30,209 30,151 -59 -0.2%
Excl. PeakMemUse (bytes)6,880 6,808 -72 -1.0%

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% 62 193.8% 76 40.9% -3,072 -8.7% -5,048 -14.5%
Exclusive Metrics Diff for Current Function-13 -21.0% 9 11.8% 560 18.2% -72 -1.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 62 100.0% 76 100.0% -3,072 -100.0% -5,048 -100.0%
Child functions
unserialize0 N/A% 79 127.4% 66 86.8% -3,632 -118.2% -5,992 -118.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -4 -6.5% -3 -3.9% 0 0.0% 1,016 20.1%
explode0 N/A% 0 0.0% 4 5.3% 0 0.0% 0 0.0%