[gmx-users] installation and running gromacs on windows

2014-09-29 Thread marcello cammarata
Hi to all. i had installed gromacs on wondows platform gromacs using cygwin by follow the advices in the gromacs istallation page. When i start the software cygwin, i type cd Gromacs to go inside the Gromacs forlder, and foward i type pdb2gmx -f namefile.pdb i got the message: -bash

Re: [gmx-users] Regarding GROMACS Tutorial KALP15 in DPPC

2014-09-29 Thread Anurag Dobhal
hello justin Can you please tell me how will i solvate my system. which command will i use and what will be my input and output file. Thanks for your help Anurag dobhal On Sun, Sep 28, 2014 at 6:58 PM, Justin Lemkul jalem...@vt.edu wrote: On 9/28/14 9:14 AM, Anurag Dobhal wrote: Hey

Re: [gmx-users] installation and running gromacs on windows

2014-09-29 Thread Mark Abraham
Hi, Did you try http://www.gromacs.org/Documentation/Installation_Instructions#getting-access-to-gromacs-after-installation ? Mark On Mon, Sep 29, 2014 at 9:57 AM, marcello cammarata mstaxmarce...@yahoo.it wrote: Hi to all. i had installed gromacs on wondows platform gromacs using cygwin by

[gmx-users] AMBER FF naming and caps

2014-09-29 Thread Ebert Maximilian
Dear list, I am a little bit confused regarding the preparation needed to use the AMBER FF in GROMACS 5.0.1. I have a simple PDB file of a protein and I use this as input to pdb2gmx. I selected the AMBER FF during the creation process: gmx_mpi pdb2gmx -f protein.pdb -o protein_processed.gro

[gmx-users] Problem with constraints in NVT calculations.

2014-09-29 Thread Kester Wong
Dear all,I have been using the SWM4-NDP water model that works well with CHARMM27 force field.The force field (most recent version) was obtained from virtualchemistry, and consists of polarisable ions and the SWM4-NDP water model from Lamoureux et al.The water on graphene (energy minimisation and

Re: [gmx-users] Regarding GROMACS Tutorial KALP15 in DPPC

2014-09-29 Thread Justin Lemkul
On 9/29/14 4:44 AM, Anurag Dobhal wrote: hello justin Can you please tell me how will i solvate my system. which command will i use and what will be my input and output file. Consult a basic tutorial for this information. The membrane protein tutorial assumes the user is already familiar

Re: [gmx-users] AMBER FF naming and caps

2014-09-29 Thread Justin Lemkul
On 9/29/14 5:58 AM, Ebert Maximilian wrote: Dear list, I am a little bit confused regarding the preparation needed to use the AMBER FF in GROMACS 5.0.1. I have a simple PDB file of a protein and I use this as input to pdb2gmx. I selected the AMBER FF during the creation process: gmx_mpi

[gmx-users] Performance of GTX 980 and 970

2014-09-29 Thread Pappu Kumar
I am wondering if anyone tested the performance of new GTX 980 and 970 cards and compared to 780/780Ti/Titan using the input systems given here: http://www.gromacs.org/GPU_acceleration Thank you. -- Gromacs Users mailing list * Please search the archive at

Re: [gmx-users] Problem with constraints in NVT calculations.

2014-09-29 Thread Justin Lemkul
On 9/29/14 8:01 AM, Kester Wong wrote: Dear all, I have been using the SWM4-NDP water model that works well with CHARMM27 force field. Time out. SWM4-NDP is a polarizable water model, and CHARMM27 is an additive force field. The two are not compatible. If you're using them together,

Re: [gmx-users] Performance of GTX 980 and 970

2014-09-29 Thread Mirco Wahab
On 29.09.2014 14:31, Pappu Kumar wrote: I am wondering if anyone tested the performance of new GTX 980 and 970 cards and compared to 780/780Ti/Titan using the input systems given here As long as I don't have a card, I can only guess. But: until the appearance of reasonable benchmarks, you

Re: [gmx-users] g_tune_pme_mpi is not compatible to mdrun_mpi

2014-09-29 Thread Carsten Kutzner
Hi, is this the only output? Don’t you get a perf.out file that lists which settings are optimal? What exactly was the command line you used? Carsten On 29 Sep 2014, at 15:01, Ebert Maximilian m.eb...@umontreal.ca wrote: Hi, I just tried that and I got the following error message

[gmx-users] Fwd: Regarding Umbrella samplling

2014-09-29 Thread Sathish Kumar
Dear gromacs usres, I have run the umbrella sampling with the help of tutorial of justinIn my system rna is binding with gold nanoparticle...to find out the binding energy, i run the umbrella sampling by pulling one end of the siRNA untill it unbind from gold nanoparticle. The snap shots

Re: [gmx-users] Performance of GTX 980 and 970

2014-09-29 Thread Szilárd Páll
On Mon, Sep 29, 2014 at 2:46 PM, Mirco Wahab mirco.wa...@chemie.tu-freiberg.de wrote: On 29.09.2014 14:31, Pappu Kumar wrote: I am wondering if anyone tested the performance of new GTX 980 and 970 cards and compared to 780/780Ti/Titan using the input systems given here As long as I don't

Re: [gmx-users] g_tune_pme_mpi is not compatible to mdrun_mpi

2014-09-29 Thread Carsten Kutzner
Hi, I see where the problem is. There is an initial check in g_tune_pme to make sure that parallel runs can be executed at all. This is being run with the automatic number of PME-only ranks, which is 11 for your input file. Unfortunately, this results in 37 PP ranks, for which no domain

Re: [gmx-users] AMBER FF naming and caps

2014-09-29 Thread Ebert Maximilian
Thank you very much for your help. This answered my questions. I wish you a great day, Max -Original Message- From: gromacs.org_gmx-users-boun...@maillist.sys.kth.se [mailto:gromacs.org_gmx-users-boun...@maillist.sys.kth.se] On Behalf Of Justin Lemkul Sent: Montag, 29. September 2014

[gmx-users] Performance of GTX 980 and 970

2014-09-29 Thread Pappu Kumar
Thank you for your info. I am planning to buy a computer with the following configuration: Intel 5820K Corsair H100i Hydro Cooling Performance MSI X99 SLI Plus Fractal Design R4 Seasonic X 1050W I am wondering if it would be a good idea to go for 3x GTX 970 instead of 2x GTX 980 since the

Re: [gmx-users] g_tune_pme_mpi is not compatible to mdrun_mpi

2014-09-29 Thread Mark Abraham
Hi, It can't be fixed, because there is no surefire way to run an arbitrary tpr on arbitrary number of ranks, regardless of how you guess -npme might succeed. We should just make the check optional, instead of being a deal breaker. Mark On Sep 29, 2014 4:35 PM, Carsten Kutzner ckut...@gwdg.de

Re: [gmx-users] g_tune_pme_mpi is not compatible to mdrun_mpi

2014-09-29 Thread Mark Abraham
Hi, That seems suitable. Mark On Mon, Sep 29, 2014 at 6:32 PM, Carsten Kutzner ckut...@gwdg.de wrote: Hi, On 29 Sep 2014, at 18:17, Mark Abraham mark.j.abra...@gmail.com wrote: Hi, It can't be fixed, because there is no surefire way to run an arbitrary tpr on arbitrary number of

Re: [gmx-users] g_tune_pme_mpi is not compatible to mdrun_mpi

2014-09-29 Thread Carsten Kutzner
Hi, On 29 Sep 2014, at 18:17, Mark Abraham mark.j.abra...@gmail.com wrote: Hi, It can't be fixed, because there is no surefire way to run an arbitrary tpr on arbitrary number of ranks, regardless of how you guess -npme might succeed. What about making this check on two ranks always,

[gmx-users] g_tune_pme and verlet

2014-09-29 Thread Åke Sandgren
Hi! I'm trying to run g_tune_pme on a case with verlet lists, but i get complaints from mdrun that With Verlet lists rcoulomb and rvdw should be identical even with -scalevdw. Using 4.6.5 g_tune_pme -r 3 -min 0.1 -rmin 0.7 -rmax 1.1 -scalevdw -ntpr 10 -s case.tpr Is this a known problem or

Re: [gmx-users] g_tune_pme and verlet

2014-09-29 Thread Carsten Kutzner
On 29 Sep 2014, at 19:10, Åke Sandgren ake.sandg...@hpc2n.umu.se wrote: Hi! I'm trying to run g_tune_pme on a case with verlet lists, but i get complaints from mdrun that “With Verlet lists rcoulomb and rvdw should be identical” But does mdrun like your input file? Carsten even with

Re: [gmx-users] g_tune_pme_mpi is not compatible to mdrun_mpi

2014-09-29 Thread Carsten Kutzner
On 29 Sep 2014, at 18:40, Mark Abraham mark.j.abra...@gmail.com wrote: Hi, That seems suitable. Oh, it just occurred to me that on systems that use the Load Leveler, we have no means of specifying the number of MPI ranks on the command line, since ‘poe’ has no switch for that. So at least

[gmx-users] QHA Entropy Error?

2014-09-29 Thread Daniel Margul
Hi All, Does anybody know what the uncertainty or error is for the QHA and/or Schlitter calculations for configurational entropy in gmx_anaeig? Daniel -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! *

Re: [gmx-users] Performance of GTX 980 and 970

2014-09-29 Thread Carsten Kutzner
Hi, On 29 Sep 2014, at 16:27, Szilárd Páll pall.szil...@gmail.com wrote: On Mon, Sep 29, 2014 at 2:46 PM, Mirco Wahab mirco.wa...@chemie.tu-freiberg.de wrote: On 29.09.2014 14:31, Pappu Kumar wrote: I am wondering if anyone tested the performance of new GTX 980 and 970 cards and compared

Re: [gmx-users] g_tune_pme and verlet

2014-09-29 Thread Åke Sandgren
On 09/29/2014 07:17 PM, Carsten Kutzner wrote: On 29 Sep 2014, at 19:10, Åke Sandgren ake.sandg...@hpc2n.umu.se wrote: Hi! I'm trying to run g_tune_pme on a case with verlet lists, but i get complaints from mdrun that “With Verlet lists rcoulomb and rvdw should be identical” But does mdrun

Re: [gmx-users] Performance of GTX 980 and 970

2014-09-29 Thread Szilárd Páll
On Mon, Sep 29, 2014 at 7:32 PM, Carsten Kutzner ckut...@gwdg.de wrote: Hi, On 29 Sep 2014, at 16:27, Szilárd Páll pall.szil...@gmail.com wrote: On Mon, Sep 29, 2014 at 2:46 PM, Mirco Wahab mirco.wa...@chemie.tu-freiberg.de wrote: On 29.09.2014 14:31, Pappu Kumar wrote: I am wondering if

Re: [gmx-users] Regarding Umbrella samplling

2014-09-29 Thread Justin Lemkul
On 9/29/14 10:09 AM, Sathish Kumar wrote: Dear gromacs usres, I have run the umbrella sampling with the help of tutorial of justinIn my system rna is binding with gold nanoparticle...to find out the binding energy i run the umbrella sampling using the space 0.2 nm and i got total 59

Re: [gmx-users] g_tune_pme and verlet

2014-09-29 Thread Åke Sandgren
On 09/29/2014 09:54 PM, Mark Abraham wrote: IIRC this was fixed in 4.6.6 (check release notes). You can use a more recent g_tune_pme with older mdrun, in this case. Typical :-) Thanks. -- Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden Internet: a...@hpc2n.umu.se Phone: +46 90