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2
votes
1answer
70 views

How important is the CPU when building a CUDA system?

I'm just a clueless sysadmin and we need to put together a couple of machines specifically for users to use CUDA. We're looking at the Dell PowerEdge T620 and jamming four CUDA cards into the sucker. ...
1
vote
0answers
198 views

Сan I use IOMMU for VT-d to give each virtual machine one at a time GPU?

If I use VMWare with 4 virtual-machines and 4 GPUs (nVidia Quadro/Tesla), then can I give (move) some devices to different virtual-machines for each by a single card? If I have one of these CPU, then ...
1
vote
1answer
100 views

Should I turn off hybrid server with GPU on IDLE?

There is a server with 2 CPUs (Intel Xeon E5-2670, Sandy Bridge) and 1 AMD GPU (Tahiti XT Radeon HD 7970). There are also SSD (system and executable files) and HDD (heavy data) that connected to this ...
1
vote
1answer
324 views

How AWS does GPU virtualization? [closed]

What kind of technology is Amazon using for GPU virtualization ? Can multiple VMs on an AWS GPU instance concurrently share GPU and have acceleration for their CUDA/ openCL programs ? I know following ...
-2
votes
1answer
672 views

GPU (Specifically NVidia) Cloud Computing Centres [closed]

In the CPU computing world, you have giant cloud providers like Microsoft Azure, Amazon EC2 and Rackspace. You have also smaller companies that provide dedicated hosting services. Amazon EC2 has ...
1
vote
2answers
219 views

How does two gpus work?

I am current having a highend GPU installed in my server - and I am considering to install a cheap GPU to support the monitor. Reason is that the server is using the highend GPU for OpenCL and i ...
0
votes
2answers
460 views

start dummy X server for user logged remotely

I have a server (CentOS6) which has an ATI GPU. For users to have access to this GPU for computation with OpenCL, they need to have an X session open unfortunately (a restriction on the ATI driver). ...
4
votes
2answers
2k views

How to run GPGPU Memory Testing

We use a lot of GPGPU computing (mostly with CUDA, but some OpenCL). Often when users are running code, the code errors out with a memory error on only one of our hosts. I suspect one of the cards ...