[gmx-developers] Nonbonded kernel without forces

Erik Lindahl lindahl at cbr.su.se
Tue Apr 7 20:31:58 CEST 2009

No, they non-force kernels should be at least 50% faster. It is the  
same code, but with lots of lines and memory operations ripped out.



On Apr 7, 2009, at 7:57 PM, Andre Assunção S. T. Ribeiro wrote:

> Hello all,
> I've been trying to improve performance of the mc integrator i'm  
> working
> on. I tried calling the no-forces kernels for ia32_sse and it seems a
> bit slower than the regular kernels with forces. Is this expected? Are
> the no-forces kernels as optimized as the ones that do calculate  
> forces?
> I still need to check if the same happens with the c and fortran  
> codes.
> Thanks
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