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AMD Optimization

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mmciastro:
This thread was started so I could include a link to it for someone at AMD to find.  This thread is so he can ask questions of developers and optimizers, and perhaps so developers and optimizers can ask question of him as well.

Please don't use this thread for general conversations.  I know it's in the "general forum", but with Simon being AWOL at the moment, we have little choice but to have the conversation here, as only Simon can get him into the other "prerelease testers fora".

Thanks for you cooperation

tony

I'm off to send him an email now.  Don't expect a quick response, atleast I don't.

mmciastro:
Thank you all for keeping this thread clean for our AMD contact.  I was worried my email hit his spamfilter, so I sent a message a different route and this is how he responded

--- Quote ---[snip]" I’m actually working very hard on this, drafting a plan of attack.  I’ll be in touch soon."
--- End quote ---

I thank you all for your patience.

tony

mmciastro:
Not wanting to push anyone to do something, I gave him plenty of time.  Today, I sent an email to remind him I was still here and was interested in what he was working on.  He responded with the following:


--- Quote ---I’m proposing that we start a BOINC optimization contest actually.  My last day at AMD is a week from today – would you mind if I had someone from my team get in touch with you on how to carry this forward?
--- End quote ---

So, I guess we wait for someone else to come along.  I ofcourse said it was fine to pass my name/email to the next person and asked for more info on the "contest" idea.

mmciastro:
He has responded with this:


--- Quote ---The contest would be conducted by Top Coder or an organization like it, and would include almost anyone that wants to participate.  A typical clause for a contest of this type would be that AMD employees and their family members would be exempt from receiving the prize (whatever that is).

--- End quote ---

http://www.topcoder.com/

I know open this thread for any discussions/comments you might have, as it appears he won't be asking developers here questions.

Alex Kan:
Well, I'm a little disappointed that they're not planning on asking us questions here, and that seems like the exact opposite of the process that we've been using, but seeing as we've never tried it, it'll be interesting to see what comes of it. That said, there are some logistic issues involved:


* SETI@home is licensed under the GPL, and the currently-available optimized apps branched off from the main tree long ago. Although some optimizations have been merged back to the main line, thanks to Joe, all of the current active optimization work done here or elsewhere seems to be targeted towards those branched codebases. I'm assuming that AMD needs to level the playing field for the purpose of competition, so this creates an issue in that starting from the official source may cause certain wheels to be reinvented many times, and the availability of other optimized app source online may complicate things further. I'm not a TopCoder participant myself, but do most of their competitions usually start from scratch?
* I'm also assuming that AMD is particularly interested in targeting optimizations for K10, but without K10-based systems in wide circulation, the only thing people really have to go off of is the optimization guides that AMD has released. Past optimization work has been very much profile-driven, so how do they propose to do anything particularly hardware-specific?
* What happens after the contest ends and the extrinsic motivators disappear? No one's paying the current crop of optimizers, so I assume we're doing this because we enjoy it. Does AMD plan to support optimization efforts after the contest ends? I guess this is largely a function of what the contest produces, although I would be loath to ever say that we've found every optimization possible.

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