I'll second that.
Note, you can save some money (less CPU/HD infrastructure etc) getting 8 GPU nodes vs 2 x 4GPU nodes but that assumes server grade gear and that you have a rack with 240V power to put it in. If you want to build your own boxes then 4 GPU is really the only option. If you do that you can go single socket consumer i7 for the CPU which can get the cost down a lot. See the following for an example
http://ambermd.org/gpus/recommended_hardware.htm#diy <
http://ambermd.org/gpus/recommended_hardware.htm#diy>
I'll update this part list for a 4 GPU compatible case and updated links shortly.
> On Dec 4, 2017, at 2:32 PM, Carlos Simmerling <carlos.simmerling.gmail.com> wrote:
>
> If you're going to run independent simulations, you might want to consider
> just getting 2 boxes with 4 GPUs each. It's a more standard and well tested
> configuration, the parts (motherboard etc.) tend to be more mainstream and
> cheaper, and the power supplies more standard too. I'm not sure of an
> advantage to the 8x setup, except maybe space.
>
> On Dec 4, 2017 1:41 PM, "Hadházi Ádám" <hadadam.gmail.com> wrote:
>
>> Dear Amber Users,
>>
>> We are about to buy a GPU workstation with 8 x nVidia GTX 1080 Ti.
>> (We plan to run MD/TI simulations independently.)
>>
>> - Can you recommend a minimum CPU for this?
>> - Do we need server motherboard/CPU to utilize the full power?
>> - Do we need a dual CPU setup?
>> - Is it necessary to have 16xPCI-e connection to each GPU?
>>
>> Thanks,
>> Adam
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>>
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Received on Mon Dec 04 2017 - 12:00:03 PST
