Re: [gmx-users] modify nsteps in an existing tpr file

2013-09-19 Thread Guanglei Cui
ers. How and where to document this kind of thing so that > people who need it can find it and those who don't need it don't drown > in paper is an impossible problem! > > Cheers, > > Mark > > On Wed, Sep 18, 2013 at 8:34 PM, Guanglei Cui > wrote: > > It is

Re: [gmx-users] modify nsteps in an existing tpr file

2013-09-18 Thread Guanglei Cui
6 PM, Mark Abraham wrote: > Implementation and description of a model physics are two different > things. You could compute KE of a particle with 0.5 * m * v^2, but if > the mass is used nowhere else, why wouldn't you pre-multiply the mass > by 0.5? > > Mark > > On Wed

Re: [gmx-users] modify nsteps in an existing tpr file

2013-09-18 Thread Guanglei Cui
alence > between minor version changes such as 4.0 and 4.6. You need to compile > a 4.0.x grompp to see if your setup is equivalent, but having done so > you should be able to use the same inputs to 4.6 grompp and get a > correct simulation with 4.6 mdrun. > > Mark > > On Wed, Sep 18,

Re: [gmx-users] modify nsteps in an existing tpr file

2013-09-18 Thread Guanglei Cui
eed in the new .mdp file to reproduce the first one. Note > that grompp -c yourold.tpr is the best way to get the same starting > coordinates. > > Mark > > On Wed, Sep 18, 2013 at 3:48 PM, Guanglei Cui > wrote: > > gmxdump -om writes out a mdp file based on the tpr, but t

Re: [gmx-users] segfault on Gromacs 4.6.3 (cuda)

2013-09-18 Thread Guanglei Cui
13 at 1:39 PM, Szilárd Páll wrote: > Hi, > > On Tue, Sep 10, 2013 at 2:03 AM, Guanglei Cui > wrote: > > Hi Szilard, > > > > Thanks again for getting back. You may remember the previous thread I > > started on regression test failure with icc 11.x compiled bina

Re: [gmx-users] modify nsteps in an existing tpr file

2013-09-18 Thread Guanglei Cui
sure what's missing here. On Tue, Sep 17, 2013 at 6:12 PM, Mark Abraham wrote: > No. Theoretically useful, but not implemented. > > Mark > > On Tue, Sep 17, 2013 at 4:45 PM, Guanglei Cui > wrote: > > Thanks. Is it possible to dump the parameters in the tpr file t

Re: [gmx-users] modify nsteps in an existing tpr file

2013-09-17 Thread Guanglei Cui
Thanks. Is it possible to dump the parameters in the tpr file to a mdp file? On Tue, Sep 17, 2013 at 3:20 PM, Mark Abraham wrote: > mdrun -nsteps in 4.6 overrides the number of steps in the .tpr > > Mark > > On Tue, Sep 17, 2013 at 8:55 PM, Guanglei Cui > wrote: > > Dea

[gmx-users] modify nsteps in an existing tpr file

2013-09-17 Thread Guanglei Cui
eate a mdp file that best matches the parameters found through gmxdump, but it gives me a lot of LINCS error. I can upload the mdp file and gmxdump file if you are kind to help. Thanks in advance. Best regards, -- Guanglei Cui -- gmx-users mailing listgmx-users@gromacs.org http://lists.g

Re: [gmx-users] segfault on Gromacs 4.6.3 (cuda)

2013-09-11 Thread Guanglei Cui
rs more than three years > old (icc 11, gcc 4.4) to work seamlessly and produce high performance > with brand-new hardware and code. That's like working on a Formula One > car with a flint axe. Installing a new compiler is not rocket science! > > Mark > > > On Tue, S

Re: [gmx-users] segfault on Gromacs 4.6.3 (cuda)

2013-09-09 Thread Guanglei Cui
completely disable the GPU detection. > > Cheers, > -- > Szilárd > > > On Mon, Sep 9, 2013 at 9:52 PM, Guanglei Cui > wrote: > > Dear GMX users, > > > > I recently compiled Gromacs 4.6.3 with CUDA (Intel compiler 11.x, SSE2, > and > > CUDA SD

[gmx-users] segfault on Gromacs 4.6.3 (cuda)

2013-09-09 Thread Guanglei Cui
ilities of different nodes. Thanks. Best regards, -- Guanglei Cui -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! * Please don't post (un)sub

Re: [gmx-users] gromacs 4.6.3 and Intel compiiler 11.x

2013-09-04 Thread Guanglei Cui
On Sep 4, 2013 5:16 AM, "Guanglei Cui" > wrote: > > > Hi Szilard, > > > > Thanks for your reply. I may try your suggestions tomorrow when I get > back > > to work. > > > > Feeling curious, I downloaded and compiled gmx 4.6.3 on my home

Re: [gmx-users] gromacs 4.6.3 and Intel compiiler 11.x

2013-09-03 Thread Guanglei Cui
; On Tue, Sep 3, 2013 at 9:50 PM, Guanglei Cui > wrote: > > Hi Mark, > > > > I agree with you and Justin, but let's just say there are things that are > > out of my control ;-) I just tried SSE2 and NONE. Both failed the > > regression check. > > That'

Re: [gmx-users] gromacs 4.6.3 and Intel compiiler 11.x

2013-09-03 Thread Guanglei Cui
regression check with no CPU/instruction optimization normal? Regards, Guanglei On Tue, Sep 3, 2013 at 3:35 PM, Mark Abraham wrote: > On Tue, Sep 3, 2013 at 7:47 PM, Guanglei Cui > wrote: > > Dear GMX users, > > > > I'm attempting to compile gromacs 4.6.3 with an older

Re: [gmx-users] gromacs 4.6.3 and Intel compiiler 11.x

2013-09-03 Thread Guanglei Cui
Hi Justin, Thanks for the response. Right now, I will just have to get around this by using a slower code. How do I switch off SSE4.1 and use a different CPU optimization scheme? Regards, Guanglei On Tue, Sep 3, 2013 at 2:39 PM, Justin Lemkul wrote: > > > On 9/3/13 1:47 PM, Gua

[gmx-users] gromacs 4.6.3 and Intel compiiler 11.x

2013-09-03 Thread Guanglei Cui
my first time to compile gromacs, which I am not very familiar with. I wonder if anyone can kindly point out what has gone wrong, and where to look for hints. Any help is much appreciated. Best regards, -- Guanglei Cui PS: I am aware of a warning about using older Intel compilers with 4.6.3, bu