[llvm-dev] ThinLTO caching & compression

[Teresa Johnson via llvm-dev]

+pcc who implemented the caching for questions on compression. I focus more
on ThinLTO in distributed build mode, which doesn't utilize the built in
caching.
But yes, the cache files should be shareable.

On Sat, Jan 4, 2020 at 10:25 AM David Blaikie <dblaikie at gmail.com> wrote:

> Should be shareable - don't think anyone's working on compression, could
> probably be implemented separately in your distributed storage layer?
>
> On Sat, Jan 4, 2020 at 9:44 AM Alexandre Ganea via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Hi,
>>
>>
>>
>> I was wondering if there were plans to add compression to the ThinLTO
>> cache?
>>
>>
>>
>> If no, what would be a good solution? Use llvm/Support/Compression.h?
>> Integrate any other compression algorithm? (it’d be good if it could work
>> out-of-the-box)
>>
>> Support HTTP to take advantage of the compression?
>>
>> Allow for plugins to handle the cache streams? (that would be great, we
>> wouldn’t need any post-processing steps to store the files in our object
>> store)
>>
>>
>>
>> Also side-question: I was wondering if cache files can be shared across a
>> team? (given relative paths in the compilation cmd-lines)
>>
>>
>>
>> Thanks!
>>
>> Alex.
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>> llvm-dev at lists.llvm.org
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>>
>

-- 
Teresa Johnson |  Software Engineer |  tejohnson at google.com |
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