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

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri Jul 15 14:07:59 BST 2022


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

--- Comment #28 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
i assumed that because this is an atomics bugreport that you would
post something related to atomic operations.

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.

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

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