Hi Jong,
This is fine - deviceQuery will always rebase the GPU ID to 0. Take a look
at the following page which should explain everything for you.
http://ambermd.org/gpus/#Running
All the best
Ross
On 11/21/12 2:42 AM, "Θ«ΑΎΘρ" <croshong.nate.com> wrote:
>
> Dear Amber users
>
>
> My name is jong hui hong in Korea
>
>
> Hi recently We have installed Amber12
>
>
> and It seems to works quiet well
>
>
> But in case of multiple GPU card system, our ssystem has a problem in
> selecting
>
>
> a specific GPU device
>
>
> suppose We have 3 GPU card
>
>
> [user1.cs-g ~]$ deviceQueryDrv -noprompt | egrep "^Device"
> Device 0: "Tesla C2075"
> Device 1: "Tesla C2075"
> Device 2: "Tesla C2075"
>
>
> If I wanto select device 0
>
> [user1.cs-g ~]$ export CUDA_VISIBLE_DEVICES="0"
> [user1.cs-g ~]$ deviceQueryDrv -noprompt | egrep "^Device"
> Device 0: "Tesla C2075"
>
> It;s OK
>
>
> But If I want select device 1
>
> [user1.cs-g ~]$ export CUDA_VISIBLE_DEVICES="1"
> [user1.cs-g ~]$ deviceQueryDrv -noprompt | egrep "^Device"
> Device 0: "Tesla C2075"
>
> even I set the CUDA_VISIBLE_DEVICES to 1
>
> It only shows Deice 0
>
>
> If I want to select device 0,1
>
> [user1.cs-g ~]$ deviceQueryDrv -noprompt | egrep "^Device"
> Device 0: "Tesla C2075"
> Device 1: "Tesla C2075"
>
>
> It show both of them
>
>
> But In case of I want to select device 0,2
>
> [user1.cs-g ~]$ export CUDA_VISIBLE_DEVICES="0,2"
> [user1.cs-g ~]$ deviceQueryDrv -noprompt | egrep "^Device"
> Device 0: "Tesla C2075"
> Device 1: "Tesla C2075"
>
>
> even I set CUDA_VISIBLE_DEVICES to 0,2
>
> It still shows device 0,1
>
>
> I think there's somethin's wrong with cuda setup in our system, but I
>can
> not manage at all..
>
>
> Any kind of suggestion would be reall appreciated.
>
>
> Best Regards
>
>
> Jong hui
>
>
>
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>4$
> 2d84fe89.mail3.nate.com]
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Received on Wed Nov 21 2012 - 10:30:04 PST
