Diff Report
Run #530ed1c5bdc6a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ed2569a2c7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ed1c5bdc6aRun #530ed2569a2c7DiffDiff%
Number of Function Calls81 81 0 0.0%
Incl. Wall Time (microsec)11,862 11,665 -197 -1.7%
Incl. Wall Time (microsec) per call 146 144 -2 -1.7%
Excl. Wall Time (microsec)1,227 1,236 9 0.7%
Incl. CPU (microsecs)11,543 11,444 -99 -0.9%
Incl. CPU (microsecs) per call 143 141 -1 -0.9%
Excl. CPU (microsec)1,097 1,132 35 3.2%
Incl. MemUse (bytes)1,712,120 1,712,968 848 0.0%
Incl. MemUse (bytes) per call 21,137 21,148 10 0.0%
Excl. MemUse (bytes)-224,616 -224,744 -128 -0.1%
Incl. PeakMemUse (bytes)1,883,072 1,883,896 824 0.0%
Incl. PeakMemUse (bytes) per call 23,248 23,258 10 0.0%
Excl. PeakMemUse (bytes)5,672 5,696 24 0.4%

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% -197 -20.8% -99 -8.2% 848 2.0% 824 2.0%
Exclusive Metrics Diff for Current Function9 4.6% 35 35.4% -128 -15.1% 24 2.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -197 -100.0% -99 -100.0% 848 100.0% 824 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -111 -56.3% -65 -65.7% 0 0.0% -72 -8.7%
unserialize0 N/A% -72 -36.5% -50 -50.5% 976 115.1% 872 105.8%
spl_autoload_call0 N/A% -16 -8.1% -18 -18.2% 0 0.0% 0 0.0%
explode0 N/A% -7 -3.6% -1 -1.0% 0 0.0% 0 0.0%