PR #17628: sys_heap benchmarks?

Christopher Friedt

Recently a sys_heap change went into zephyr

The PR says that it's faster, but I'm seeing some behaviour that would
suggest that's not the case.

The reason I bring it up, is that I had ported a certain protocol
subsystem over from an external repository (in my fork, atm). That
subsystem made heavy use of malloc. I rebased just a couple of days
ago (no other changes), and now I'm experiencing a fair amount of
timeouts when using the protocol that I did not experience before.
I've had to increase buffer sizes, etc.

Personally, I'm not a huge fan of malloc usage in communication code,
but I'm just kind of dealing with the code that I inherited.

Does anyone have some benchmarks on the new allocator? I'd really like
to have a look if that information is available.



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