[gmx-users] improving cluster performance

[David van der Spoel]

On Mon, 2002-11-11 at 12:56, Dmitry Kovalsky wrote:
> Hi there,
> 
> My cluster equiped with 4 dual Athlons 1500+ MP/256 DDR/Fast Ethernet/TYAN 
> S2460 Tiger MP with VIA 760 chipset and using Mandrake 8.2. The performance 
> of the cluster was near 2.3 GFlops.
> 
> Now I get a Gigabyt and wonna to get a maximum performance from the cluster. 
> How I should rebuild a kernel (2.4.18) and LAM, FFTW and GROMACS in order to 
> reach it?\

You won't need to rebuild anything, just select the right driver for
your network (at the OS level). Please send some comparisons to the
mailing list. 

I will soon have the possibility to test an optimized MPI for Gigabit
ethernet. This may speed up things considerably, but it is a commercial
package.

-- 
Groeten, David.
________________________________________________________________________
Dr. David van der Spoel, 	Biomedical center, Dept. of Biochemistry
Husargatan 3, Box 576,  	75123 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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