Are the changes from AMD's fork (amd/blis) merged back often?

[dcomi...@gmail.com]

Hello there!

Please, I'd like to know whether AMD's fork of BLIS (amd/blis) often has its optimizations merged back into upstream? I want to use the BLIS package from Conda and definitely don't want to download and set up the binaries from AMD's tarballs. It'd be a pity if they weren't actively working on merging their optimizations back into upstream.

Thanks!

[Field Van Zee]

Danilo,

Great question, and thanks for your interest in BLIS.

The answer is: yes, AMD occasionally submits a pull request to merge their amd/blis modifications and optimizations back into flame/blis. In the past this has involved a three step process: AMD submits a pull request onto the 'amd' branch at flame/blis; I merge their PR and then carefully review all their contributions and edits, making small tweaks and cleanups as appropriate; and finally I merge AMD's changes + my changes of their changes back to 'master'.

I don't know AMD's schedule for how frequently they intend this to happen, but I do remind them from time to time that I am always willing and ready to accept their contributions. If you would like to give them a little nudge or request any other kind of support, I suggest contacting AMD's CPU libraries team at cpulib...@amd.com.

Field

[Danilo Cominotti Marques]

Field,

That’s super great to know — thank you very much for the detailed answer! 

Just to have some sort of idea about how frequently they have been opening PRs up to now, would you say — off the top of your head — that it seems to happen every other month, or maybe once every 4, 6...? 

I have taken note of the email you gave me and would to thank you once again for the great support!

Danilo

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[sivap...@gmail.com]

Hi Danilo,

This Siva from AMD BLIS team. 

• we currently do not have a set time table. we generate pull requests based on major feature availability, performance upgrades. 
• For questions, reach out to aocls...@amd.com. Btw, AMD CPU library suite is now called AOCL (AMD Optimizing CPU Libraries)

Thanks

Siva

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