Diff Report
Run #523f1e3aba264: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f1e3aba264Run #523f1dee40c1aDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)21,509 21,075 -434 -2.0%
Incl. Wall Time (microsec) per call 147 144 -3 -2.0%
Excl. Wall Time (microsec)2,356 2,285 -71 -3.0%
Incl. CPU (microsecs)18,534 18,293 -241 -1.3%
Incl. CPU (microsecs) per call 127 125 -2 -1.3%
Excl. CPU (microsec)2,095 2,093 -2 -0.1%
Incl. MemUse (bytes)2,609,712 2,609,712 0 0.0%
Incl. MemUse (bytes) per call 17,875 17,875 0 0.0%
Excl. MemUse (bytes)-422,032 -422,032 0 0.0%
Incl. PeakMemUse (bytes)2,982,696 2,982,696 0 0.0%
Incl. PeakMemUse (bytes) per call 20,429 20,429 0 0.0%
Excl. PeakMemUse (bytes)8,624 8,624 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% -434 -43.8% -241 -133.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-71 -16.4% -2 -0.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -434 -100.0% -241 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -252 -58.1% -99 -41.1% 0 N/A% 0 N/A%
unserialize0 N/A% -105 -24.2% -135 -56.0% 0 N/A% 0 N/A%
explode0 N/A% -6 -1.4% -5 -2.1% 0 N/A% 0 N/A%