[gmx-users] New force fields

Ram'on Garc'ia Fern'andez ramon at jl1.quim.ucm.es
Sat May 4 00:54:17 CEST 2002

On Fri, May 03, 2002 at 09:59:47AM -0700, Erik Lindahl wrote:
> I've been thinking of that; It's not too hard to document it, although 
> some of the code in the
> innerloop generator could use a little cleaning-up. One problem is of 
> course that your code
> would only be C or Fortran (never SSE/SSE2/3DNow or Altivec assembly), 
> so you would lose
> a significant amout of speed (say ~40% of your performance). Since the 
> table loops are
> written in assembly they will always be faster when you can use them.
> Oh well, maybe it's time to go out and buy a book and make a real 
> primitive compiler
> out of the innerloop generator :-)

A solution could be to implement the inner loops with assembly embedded
in C. At least they would be much more readable.


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