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AMD new FX CPU a huge hornswoggle

Discussion in 'Intel' started by Anne Onime, Aug 10, 2011.

  1. Anne Onime

    Anne Onime Guest

    Those shams say it has N cores, but there are only
    N/2 FPU!
    So who is gunna build a "high-performance" engineering
    workstation with them? Can't be must good for number
    cruching?
     
    Anne Onime, Aug 10, 2011
    #1
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  2. Anne Onime

    Yousuf Khan Guest

    On 10/08/2011 7:02 AM, Anne Onime wrote:
    > Those shams say it has N cores, but there are only
    > N/2 FPU!
    > So who is gunna build a "high-performance" engineering
    > workstation with them? Can't be must good for number
    > cruching?


    It's a shared 256-bit FPU that can be independently split into two
    128-bit FPUs for use by each integer core. 128-bit FPU is the vast
    majority of FPU usage (such as x87, and SSE), 256-bit FPU is only
    available through the new AVX instruction set, which is rarely used.

    Yousuf Khan
     
    Yousuf Khan, Aug 10, 2011
    #2
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