[gmx-users] hardware problem of GPU?

[Mark Abraham]

What did you learn from the performance output at the end of the log file?

Mark


On Thu, Jun 5, 2014 at 9:26 PM, Albert <mailmd2011 at gmail.com> wrote:

> Hello:
>
> I've got a GPU machine with two GTX780 Ti card. Here is my configurations:
>
>
> Intel Xeon E5-2690V2, 10 Cores, 3.0 GHz
> Silent Cooling
> ASUS P9X79 WS
> 32 GB ECC-DDR3-RAM 4-Kanal, 1600 MHz, 4 x 8 GB
> 250 GB Samsung 840 EVO SSD
> 4000 GB WD Harddisk, 7200 rpm
> 2 x ASUS Nvidia GeForce GTX780 TI 3GB GDDR5, SLI configuration
> Samsung DVD Drive
> Cardreader 40 in 1
> Logitech Wireless Desktop MK270
> CM Midi Tower Silencio 652, black
> Matching low noise Power Supply
> PCIe Card with additional 2 x USB 3.0
>
>
> I noticed that the speed for 2GPU is slower than 1 GPU for several testing
> system (atom no. 10,000-60,000 under either Amber FF or CHARMM FF). So I am
> just wondering probably there is some problem for the GPUs connections?
> Does anybody have any idea how should I arrange the GPU so that the speed
> can be maximum?
>
> thanks a lot
>
> Albert
>
> --
> Gromacs Users mailing list
>
> * Please search the archive at http://www.gromacs.org/
> Support/Mailing_Lists/GMX-Users_List before posting!
>
> * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
>
> * For (un)subscribe requests visit
> https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or
> send a mail to gmx-users-request at gromacs.org.
>