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Thanks alot Moises for your valuable comments and your precious time. I really appreciate it. Best, Wu On 15 February 2018 at 16:54, Moises Hernandez <[log in to unmask]> wrote: > Hi Wu. > > 1) Do you think above mentioned CPUs and GPUs would be able to run CUDA > and BEDPOSTX ? Is it appropriate or should we look for some other > configuration? > > Yes, it will work, but I do not recommend Quadro GPUs They are expensive > and the performance is not so great as Tesla, specially in double > precission. > I prefer Tesla family, and if not possible, GeForce (not as good > performance as Tesla but more affordable than Quadro). > > 2) Do you think it is better to have 2 CPUs for and 2 GPUs for quickers > image pre-processing? or there is as such no difference in the results when > compared to ony one CPU and one GPU. > > Each GPU needs one CPU core, and each of these processors has 10 cores?. > So, one processor is enough, although you still can use the rest of CPU > cores for running other tasks in parallel. > I am not sure about memory buses (for copying data CPU <-> GPU). Take a > look to the configuration, PCIexpress, NVLINK... > In any case, bedpostx does not need to copy much data... so this is not a > problem if these transfers happens sequentially. > > 3 & 4) Yes, UbuntuOS is ok for bedpostx_gpu, however, if you want to make > things easier when installing FSL, use CentOS (used forFSL distribution) > > Moises. > > On 15 February 2018 at 10:22, Wu chen <[log in to unmask]> wrote: > >> Dear FSL Users and Experts, >> >> >> We are thinking to order following configuration for CUDA implementation >> and I have some questions related to it. >> >> First Processor >> >> -Xeon E5-2630V4 2.2Ghz 20MB Turbo Boost (S26361-F5001-E220) >> >> Second Processor >> >> -2ND XEON E5-2630V4 (S26361-F5002-E230) >> >> RAM >> >> -16 x 16 GB = 256GB RAM >> >> HDD SATA III >> >> -2TB x 2 = 4TB >> >> First Graphics Card >> >> -NVIDIA QUADRO M5000 8GB ( S26361-F2222-E593 ) >> >> Second Graphics Card >> -NVIDIA QUADRO M5000 8GB (S26361-F2222-E990) >> >> >> >> >> 1) Do you think above mentioned CPUs and GPUs would be able to run CUDA >> and BEDPOSTX ? Is it appropriate or should we look for some other >> configuration? Please suggest a configuration if you disagree with our >> configuration. >> >> 2) Do you think it is better to have 2 CPUs for and 2 GPUs for quickers >> image pre-processing? or there is as such no difference in the results when >> compared to ony one CPU and one GPU >> >> 3) Which CentoOS version and CUDA version would you suggest to install on >> the above configuration? >> >> 4) Can we run CUDA implementation on UbuntuOS? >> >> I really appreciate your time and efforts for making our lab more faster >> and more powerful. >> >> Many Thanks >> Best, Wu >> >> >> >> >