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Thread: News - Intel at last ready to break into parallel computing with Xeon Phi

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    News - Intel at last ready to break into parallel computing with Xeon Phi

    One-Teraflop of FP64 double-precision performance and 8GB+ GDDR5 RAM.
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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    50 Enhanced Pentium 1 cores... so that's 50.0000000000000000000112394

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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Quote Originally Posted by d032sh View Post
    50 Enhanced Pentium 1 cores... so that's 50.0000000000000000000112394
    You win the internet today :-)

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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    i tried parallel comuting once, didnt know whether I was coming or going


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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    From the image - 'synergistically' - What the hell sort of rubbish is that. Sounds like made up marketing words to me...

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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Quote Originally Posted by cheesemp View Post
    From the image - 'synergistically' - What the hell sort of rubbish is that. Sounds like made up marketing words to me...
    Oh, those marketing guys - they probably think that sort of talk is cutting edge
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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Bah, I have 80 cores on my desk.

    But... it doesn't run Linux. And it only does 40GIPS (integer instructions not floating point ops).
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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Syngergistic talk is probably designed to counter AMD fusion talk with onboard GPU being part of the CPU.

    Doesn't look like much of an EMI shield out back...

    Still, nice to finally get this from Intel.

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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Also talking about pentiums 1s (I had a P60 as my first PC!) - does the idea of a coprocessor remind anyone of the 386 days when you needed a coprocessor for floating point. It good to see nothing changes...

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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Quote Originally Posted by cheesemp View Post
    Does the idea of a coprocessor remind anyone of the 386 days when you needed a coprocessor for floating point.
    The x87 co-processor? It's still there, sorta. You can certainly decide to use it or otherwise with the gcc compiler flag -mfpmath=387 It has slightly different floating point accuracy characteristics when compared to the SSE floating-point units, so I found.

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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Quote Originally Posted by Fraz View Post
    The x87 co-processor? It's still there, sorta. You can certainly decide to use it or otherwise with the gcc compiler flag -mfpmath=387 It has slightly different floating point accuracy characteristics when compared to the SSE floating-point units, so I found.
    Actually the i{3,4,5,6}86 targets still defaults to 387, you have to explicitly set -mfpmath=sse to enable SSE intrinsics on 32bit machines, I haven't noticed any ill effects running it globally on Gentoo. The x86_64 port made the break to SSE by default.

    I'd be interested in seeing how this coprocessor card will be implemented in practice, whether it is actually a coprocessor at all for a start. The description appears to be more discrete.
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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Quote Originally Posted by aidanjt View Post
    Actually the i{3,4,5,6}86 targets still defaults to 387, you have to explicitly set -mfpmath=sse to enable SSE intrinsics on 32bit machines
    You still use 32-bit machines?!

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    Re: News - Intel at last ready to break into parallel computing with Xeon Phi

    Quote Originally Posted by Fraz View Post
    You still use 32-bit machines?!
    Shocking, I know

    I have an ole atom netbook and a really old 'Pentium Dual Core' laptop, so yeah, no x86_64 on those.
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