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Any interest in Intel's Xeon Phi compilation wise?
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CaptainBlood
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PostPosted: Wed Nov 12, 2014 2:07 pm    Post subject: Any interest in Intel's Xeon Phi compilation wise? Reply with quote

Hi dear all,

Intel's Xeon Phi PCIE cards seems to be sold @ very special price...

http://www.phoronix.com/scan.php?page=news_item&px=MTgzNjY

Is it any interest from a portage point of view?

Thks 4 ur attention.
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N8Fear
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PostPosted: Wed Nov 12, 2014 5:17 pm    Post subject: Reply with quote

Afaik the Phi is mostly a FPU and since compiling shouldn't be much FPU work (and additionally you would need a python interpreter with Phi support), I guess that it isn't that much of use for portage. On the other hand: for that price it's almost a crime not to get one (especially if you get a few friends and order a bunch of them for $125 a piece or something like that) ;)
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CaptainBlood
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PostPosted: Wed Nov 12, 2014 6:43 pm    Post subject: Reply with quote

I wasn't shure it was FPU,
No interest from a gentoo perspective.
I agree with your second opinion.

Thks 4 ur attention, interest & support.
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Zucca
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PostPosted: Wed Aug 30, 2017 11:22 am    Post subject: Reply with quote

*BUMP*

N8Fear wrote:
Afaik the Phi is mostly a FPU and since compiling shouldn't be much FPU work (and additionally you would need a python interpreter with Phi support), I guess that it isn't that much of use for portage.

What I've read is that all the cores are x86 Atom derivatives. If not used as a pure coCPU the card can run its own OS.

I like the idea of having a "virtual" machine inside my PC that I could utilize in crosscompiling stuff and propably in video encoding too...
Now that Intel has ended the support for card based Phis I'll see if the prices drops... Next step would include a new motherboard that is compatible with the Phi...

Some have ran Gentoo even: http://industrialinformatics.fel.cvut.cz/xeon-phi-installation-gentoo-linux
Some reports aren't so encouraging intead.

Now... I'd like to know if it's worth of it when my main uses for the card would be:

  • cross compiling
  • video encoding
  • graphical rendering tasks, like very detailed 3D fractals etc, that need to be accurate

OpenCL could be used in some of the cases but sometimes there simply isn't support for it. Or in case of video encoding it may be even slower.
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