uschindler commented on issue #15079:
URL: https://github.com/apache/lucene/issues/15079#issuecomment-3213305625
The strange allocation profile went away, we now only see this for
ReadGroupVint:
```
0.04% 1652
java.lang.invoke.LambdaForm$DMH.0x00007ff76d190c00#invokeStatic() [JIT compiled
code]
at
java.lang.invoke.LambdaForm$MH.0x00007ff76d1c5000#invoke() [JIT compiled code]
at
java.lang.invoke.VarHandleGuards#guard_LJ_I() [Inlined code]
at
org.apache.lucene.util.GroupVIntUtil#readGroupVInt() [JIT compiled code]
```
This is perfectly normal, although it is not inlined completely here (but
this should happen later). This is how it should look like. I have the feeling
that the "JOIT compiled code" is not yet inlined. But maybe the adoptions using
the VarHandleFilters lead to the bad perf in the microbenchmark.
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