The problem that I mentioned is unfortunately not reproducible. If you
restart the trajectory, most likely the problem will be gone for the
time being.
Yi
On 9/6/10, Ross Walker <ross.rosswalker.co.uk> wrote:
> Hi All,
>
> Can we please get a very simple example of the input and output that is
> effectively 'guaranteed' to produce this problem. I would like to start by
> confirming for sure that this works fine on GTX295, C1060 and C2050. Once
> this is confirmed we will know that it is something related specifically to
> GTX480 / 470. Unfortunately I do not have any GTX480's so cannot reproduce
> things myself. I want to make sure though that it definitely does not occur
> on other hardware.
>
> All the best
> Ross
>
>> -----Original Message-----
>> From: Sasha Buzko [mailto:obuzko.ucla.edu]
>> Sent: Monday, September 06, 2010 2:21 PM
>> To: AMBER Mailing List
>> Subject: Re: [AMBER] problem of GTX480 running pmemd.cuda
>>
>> Hi Yi,
>> yes, this issue does happen to other people, and we are in the process
>> of figuring out why these things happen on consumer cards and don't
>> happen on Tesla. As far as I know, there is no clear solution to this
>> yet, although maybe Ross and Scott could make some suggestions.
>>
>> As a side note, have you seen any simulation failures with "the launch
>> timed out" error? Also, what's your card/CUDA driver versions?
>>
>> Thanks
>>
>> Sasha
>>
>>
>> Yi Xue wrote:
>> > Dear Amber users,
>> >
>> > I've been running pmemd.cuda on GTX480 for two months (implicit
>> solvent
>> > simulation). Occasionally, the program would get stuck: the process
>> is
>> > running ok when typing "top"; output file "md.out" just prints out
>> energy
>> > terms at some time point but does not get updated any more;
>> temperature of
>> > GPU will decrease by ~13C, but it is still higher than the idle
>> temperature
>> > by ~25C. After I restart the current trajectory, the problem would be
>> gone
>> > in most cases.
>> >
>> > It seems like in that case the job cannot be summited to (or executed
>> in)
>> > GPU unit. I'm wondering if this issue also happens to other people...
>> >
>> > Thanks for any response.
>> > _______________________________________________
>> > AMBER mailing list
>> > AMBER.ambermd.org
>> > http://lists.ambermd.org/mailman/listinfo/amber
>> >
>> >
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Received on Mon Sep 06 2010 - 18:30:03 PDT
