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On Wednesday 02 March 2016 21:44:29 Nikos Chantziaras wrote: |
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> On 02/03/16 13:50, Peter Humphrey wrote: |
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> > It's approaching time to invest in a new system, and I'd like the |
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> > panel's |
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> > views on which make of graphics card to choose: AMD, nVidia or Radeon. I |
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> > don't want to start a flame war, but which of those would give me the |
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> > best performance in GPU calculations? I have some BOINC projects in |
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> > mind, which apparently are greatly accelerated by using GPUs as well as |
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> > CPUs. |
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> > |
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> > The nouveau driver for nVidia can't do CUDA (GPU) calculations so I'd |
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> > have to use the nVidia driver; I don't know about the others which is |
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> > why I'm asking. |
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> > |
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> > Does anyone here have an opinion to offer? |
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> |
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> If you need 64-bit FP compute, AMD Radeon is your only choice. NVidia |
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> only supports 32-bit FP and cripples 64-bit FP on consumer cards, |
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> rendering them virtually useless; you'd have to buy a "professional" |
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> card (thousands of dollars). |
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> |
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> So you might want to check whether your applications need 64-bit FP or |
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> 32-bit. |
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So for flexibility in the future it looks like AMD Firepro or similar. (I |
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assume your comments on Radeon will also apply to Firepro.) I don't know |
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whether these project are 64-bit today, but even if not, they may be in a |
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year or two. |
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Thanks Nikos, and to James and Rich too. |
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|
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Time to start saving up... |
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-- |
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Rgds |
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Peter |