Diff Report
Run #51b0336932f18: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b032b631491: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51b0336932f18Run #51b032b631491DiffDiff%
Number of Function Calls79 79 0 0.0%
Incl. Wall Time (microsec)20,128 19,349 -779 -3.9%
Incl. Wall Time (microsec) per call 255 245 -10 -3.9%
Excl. Wall Time (microsec)1,462 1,446 -16 -1.1%
Incl. CPU (microsecs)15,546 15,348 -198 -1.3%
Incl. CPU (microsecs) per call 197 194 -3 -1.3%
Excl. CPU (microsec)1,334 1,314 -20 -1.5%
Incl. MemUse (bytes)1,605,640 1,605,640 0 0.0%
Incl. MemUse (bytes) per call 20,325 20,325 0 0.0%
Excl. MemUse (bytes)-217,928 -217,928 0 0.0%
Incl. PeakMemUse (bytes)1,732,608 1,732,608 0 0.0%
Incl. PeakMemUse (bytes) per call 21,932 21,932 0 0.0%
Excl. PeakMemUse (bytes)4,048 4,048 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% -779 -341.7% -198 -1.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-16 -2.1% -20 -10.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -779 -100.0% -198 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -731 -93.8% -336 -169.7% 0 N/A% 0 N/A%
unserialize0 N/A% -27 -3.5% 168 84.8% 0 N/A% 0 N/A%
explode0 N/A% -5 -0.6% -10 -5.1% 0 N/A% 0 N/A%