[llvm-dev] Designing on-disk ObjectCache for JIT

[Lang Hames via llvm-dev]

Hi Pawel,

Do you have any suggestions about implementing on-disk ObjectCache for
> MCJIT/Orc? Anyone is able to point me to / share some existing code?


There is a demo implementation in llvm/tools/lli/lli.cpp, but I don't think
it goes beyond proof-of-concept.

I also noticed that recently "cache pruning" support was added to LLVM
> (ported from clang) [1]. Is it good idea to extent it to also manage saving
> and loading objects to disk and create full-featured on-disk cache engine?


I can imagine LTO and the JIT sharing some caching infrastructure. I
haven't had time to work on the caching problem yet, but I'd be very happy
to see more in-tree support for it.

Cheers,
Lang.

On Thu, Aug 18, 2016 at 1:23 PM, Paweł Bylica <chfast at gmail.com> wrote:

> Hi Lang, LLVM,
>
> Do you have any suggestions about implementing on-disk ObjectCache for
> MCJIT/Orc? Anyone is able to point me to / share some existing code?
>
> I also noticed that recently "cache pruning" support was added to LLVM
> (ported from clang) [1]. Is it good idea to extent it to also manage saving
> and loading objects to disk and create full-featured on-disk cache engine?
>
> [1] https://reviews.llvm.org/D18422
>
> - Paweł
>
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