[Libre-soc-bugs] [Bug 236] Atomics Standard writeup needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=236

--- Comment #29 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #28)
> i assumed that because this is an atomics bugreport that you would
> post something related to atomic operations.

I posted the stuff you linked in comment #26 to the mailing list rather than
this bug because it wasn't really related to atomics.
> 
> from the discussion with Paul it is clear that we do not know
> enough and that the Power ISA 3.0 Spec is not detailed enough.
> 
> we also cannot possibly submit an enhancement where we have absolutely
> no idea whatsoever of what IBM has done and why.
> 
> what this tells us is that this bugreport is completely inadequately
> funded to do a full investigation.
> 
> can you do some assembler of existing atomics and locking, both
> multi-process,
> to give a clear idea of performance, so that we are properly informed.

sure.
> 
> i aim to close this bugreport within one week and to submit a new grant
> request
> to cover it in more depth.

please don't close it, just reassign the funding and reuse this bug as one of
the tasks for the grant, since that allows us to not lose context (not
technically lost, but less readily accessible). imho we don't need a full eur
50k, so we should include  other things in the grant.

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