Diff Report
Run #523f024cca254: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f01900df5c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f024cca254Run #523f01900df5cDiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)13,289 13,251 -38 -0.3%
Incl. Wall Time (microsec) per call 158 158 -0 -0.3%
Excl. Wall Time (microsec)1,425 1,365 -60 -4.2%
Incl. CPU (microsecs)10,744 10,575 -169 -1.6%
Incl. CPU (microsecs) per call 128 126 -2 -1.6%
Excl. CPU (microsec)1,285 1,234 -51 -4.0%
Incl. MemUse (bytes)1,560,520 1,562,840 2,320 0.1%
Incl. MemUse (bytes) per call 18,578 18,605 28 0.1%
Excl. MemUse (bytes)-246,168 -246,632 -464 -0.2%
Incl. PeakMemUse (bytes)1,689,064 1,691,264 2,200 0.1%
Incl. PeakMemUse (bytes) per call 20,108 20,134 26 0.1%
Excl. PeakMemUse (bytes)7,048 7,072 24 0.3%

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% -38 -6.4% -169 -39.3% 2,320 5.5% 2,200 5.9%
Exclusive Metrics Diff for Current Function-60 -157.9% -51 -30.2% -464 -20.0% 24 1.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -38 -100.0% -169 -100.0% 2,320 100.0% 2,200 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 62 163.2% -67 -39.6% 0 0.0% -32 -1.5%
unserialize0 N/A% -31 -81.6% -35 -20.7% 2,784 120.0% 2,208 100.4%
explode0 N/A% -9 -23.7% -16 -9.5% 0 0.0% 0 0.0%