[gmx-users] parallel problem

[David]

On Wed, 2003-09-03 at 22:16, Osmany Guirola Cruz wrote:
> This is not the first time that i make the same question, how should i do gromacs work well whith lam in my linux cluster , a simulation in one machine is shorter than two machines , my last steep was compile the lammpi source whith the option  tcp-short=524288 (512kb) and nothing  happens . 
> 
> PLEASE HELPMEEEEEEEEEEEEEEEEEEEEEE
I'll just assume you have single processor machines coupled by tcp/ip
network, is that correct?

Is it 10 Mbit/s, 100 Mbit/s or better?

Do you have a switch between the machines or a hub?

How large is your system to simulate?

Did you try to reproduce the gromacs benchmarks?

> 
>  
> 
-- 
Groeten, David.
________________________________________________________________________
Dr. David van der Spoel, 	Dept. of Cell and Molecular Biology
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
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