Re: [gmx-users] GPU low performance

2015-02-19 Thread Carmen Di Giovanni
-- Carmen Di Giovanni, PhD Dept. of Pharmaceutical and Toxicological Chemistry Drug Discovery Lab University of Naples Federico II Via D. Montesano, 49 80131 Naples Tel.: ++39 081 678623 Fax: ++39 081 678100 Email: cdigi...@unina.it Hi Szilard, I post also the output of the command: gmx_mpi

Re: [gmx-users] GPU low performance

2015-02-19 Thread Carmen Di Giovanni
Dear Szilárd, 1) the output of command nvidia-smi -ac 2600,758 is [root@localhost test_gpu]# nvidia-smi -ac 2600,758 Applications clocks set to (MEM 2600, SM 758) for GPU :03:00.0 Warning: persistence mode is disabled on this device. This settings will go back to default as soon as driver

Re: [gmx-users] GPU low performance

2015-02-19 Thread Carmen Di Giovanni
Dear Szilárd, 1) the output of command nvidia-smi -ac 2600,758 is [root@localhost test_gpu]# nvidia-smi -ac 2600,758 Applications clocks set to (MEM 2600, SM 758) for GPU :03:00.0 Warning: persistence mode is disabled on this device. This settings will go back to default as soon as

Re: [gmx-users] simulation of heme along with h2o2

2015-02-19 Thread Sanchaita Rajkhowa
Hi, I tried using charmm forcefield to simulate heme but we are getting warning messages. WARNING: atom HA is missing in residue HEME 1500 in the pdb file . . . for all 30 hydrogens. Later we tried modifying the aminoacids.hdb as: HEME3 1 5 HA CA N C CB 1

Re: [gmx-users] simulation of heme along with h2o2

2015-02-19 Thread Justin Lemkul
On 2/18/15 11:13 PM, Sanchaita Rajkhowa wrote: Dear Justin, thank you for the reply. However, I would like to know if there is any server which can generate parameters for heme to be used in OPLS-aa? We have already tried in swissparam with failed results. Please help. I have no idea if

Re: [gmx-users] Imidazolium ring opening during energy minimization

2015-02-19 Thread Justin Lemkul
On 2/19/15 2:21 AM, Meena Singh wrote: Dear GROMACS users, I am trying to simulate box of 1-ethyl-3-methylimidazolium ion (5-membered ring with overall +1 charge) with its counter ion tetrafluoroborate. I am using OPLS forcefield. Partial charges and potential parameters have been taken from

Re: [gmx-users] Need of mdp files

2015-02-19 Thread Justin Lemkul
On 2/19/15 12:59 AM, Antara mazumdar wrote: Hi, I am trying to simulate a peripheral membrane protein in a heterogenous lipid bilayer of DOPC and DOPG using charmm 36 force field in GROMACS. i need mdp files for NPT, NVT, steep and MD to check whether the conditions i am using to simulate my

[gmx-users] check_bonds_timestep() only reports the first suspicious bond

2015-02-19 Thread Mario Fernández Pendás
Dear all, How is the situation with this issue? http://redmine.gromacs.org/issues/667 I am planning to modify this function to look for the fastest oscillations in each system and that is why I am asking this question. Thank you very much. Best regards, Mario -- Gromacs Users mailing list *

Re: [gmx-users] topolbuild error

2015-02-19 Thread Ray, Bruce D
On Feb 19, 2015, at 9:49 AM, Zahra Ghanbari, zahraghanbar...@gmail.com wrote: hi I installed topolbuild version 1.3. I used following command line: ./topolbuild -dir /home/supermicro/topolbuild1_3/dat/gromacs -ff oplsaa -n OXL -r OXL -meas -rename -move I encountered with following error:

Re: [gmx-users] topolbuild error

2015-02-19 Thread Ray, Bruce D
On Feb 19, 2015, at 12:44 PM, Zahra Ghanbari zahraghanbar...@gmail.com wrote: Dear Ray I tried to use another .mol2 file. I use USCF chimera to save it. @TRIPOSMOLECULE OXL.pdb 6 5 1 0 0 SMALL NO_CHARGES @TRIPOSATOM 1 C1 47.7640 52.0960 49.3000 C.2 1 OXL0.

Re: [gmx-users] DNA-Protein complex MD failing

2015-02-19 Thread Justin Lemkul
On 2/19/15 12:55 PM, virginia miguel wrote: Hi everyone; I am tryingto run a simulation of a DNA-protein complex obtained by docking of a dsDNA of18bp to a crystal structure of the recA protein using GPU. I used amber ff, adodecahedron cell with 15A of distance from the surface of the

[gmx-users] Umbrella Sampling and Histogram

2015-02-19 Thread Agnivo Gosai
Dear Users This is my earlier post wherein I received useful suggestion from Dr. Lemkul. http://comments.gmane.org/gmane.science.biology.gromacs.user/74659 Earlier for my system , I was doing a 1 ns Umbrella Sampling run for each window and my histogram looked like this :- ​ HISTO

Re: [gmx-users] topolbuild error

2015-02-19 Thread Zahra Ghanbari
Dear Ray I tried to use another .mol2 file. I use USCF chimera to save it. @TRIPOSMOLECULE OXL.pdb 6 5 1 0 0 SMALL NO_CHARGES @TRIPOSATOM 1 C1 47.7640 52.0960 49.3000 C.2 1 OXL0. 2 C2 48.9620 53.0060 49.8530 C.2 1 OXL0. 3 O1

Re: [gmx-users] Double counting of h-bonds g_hbond:issue

2015-02-19 Thread Udaya Dahal
Thanks Justin. It was the merging of the hbonds data that led to show the repetition of the list. If we do nomerge everything is reasonable. On Wed, Feb 18, 2015 at 7:41 AM, Justin Lemkul jalem...@vt.edu wrote: On 2/17/15 5:14 PM, Udaya Dahal wrote: Thanks Justin for prompt reply. Actually

Re: [gmx-users] GPU low performance

2015-02-19 Thread Szilárd Páll
On Thu, Feb 19, 2015 at 11:32 AM, Carmen Di Giovanni cdigi...@unina.it wrote: Dear Szilárd, 1) the output of command nvidia-smi -ac 2600,758 is [root@localhost test_gpu]# nvidia-smi -ac 2600,758 Applications clocks set to (MEM 2600, SM 758) for GPU :03:00.0 Warning: persistence mode is

Re: [gmx-users] GPU low performance

2015-02-19 Thread Carmen Di Giovanni
Szilard, about: Fatal error 1) Setting the number of thread-MPI threads is only supported with thread-MPI and Gromacs was compiled without thread-MPI For more information and tips for troubleshooting, please check the GROMACS website at http://www.gromacs.org/Documentation/Errors

[gmx-users] DNA-Protein complex MD failing

2015-02-19 Thread virginia miguel
Hi everyone; I am tryingto run a simulation of a DNA-protein complex obtained by docking of a dsDNA of18bp to a crystal structure of the recA protein using GPU. I used amber ff, adodecahedron cell with 15A of distance from the surface of the complex and neutralizedwith counter ions (42 NA+,

Re: [gmx-users] GPU low performance

2015-02-19 Thread Szilárd Páll
Please consult the manual an wiki. -- Szilárd On Thu, Feb 19, 2015 at 6:44 PM, Carmen Di Giovanni cdigi...@unina.it wrote: Szilard, about: Fatal error 1) Setting the number of thread-MPI threads is only supported with thread-MPI and Gromacs was compiled without thread-MPI For more

Re: [gmx-users] check_bonds_timestep() only reports the first suspicious bond

2015-02-19 Thread Mark Abraham
Hi, Nothing has happened. Mark On Thu, Feb 19, 2015 at 4:31 PM, Mario Fernández Pendás mariof...@gmail.com wrote: Dear all, How is the situation with this issue? http://redmine.gromacs.org/issues/667 I am planning to modify this function to look for the fastest oscillations in each