Mailinglist Archive: opensuse (3893 mails)

[Thomas Hertweck <Thomas.Hertweck@xxxxxx>]

Randall R Schulz wrote:
> [...]
> I take it that 30% faster is in 64-bit mode? 

Yes. However, it's not always 30%, this is the maximum we observed.

> Is that FORTRAN code?

It's C and Fortran code.

> Anyway, what I need to optimize for my Core 2 Duo system is Java doing 
> long-running symbolic (non-numeric) algorithms. I'm going to be adding 
> concurrent processing to the system soon, now that multi-core 
> processors are becoming common. Fortunately, many of the problems it 
> runs are amenable to this kind of optimization on multi-core or 
> multi-processor systems because it decomposes many problems into 
> independently solvable sub-problems.

I use MPI or OpenMP to parallelize processing on the cluster or one
cluster node with multiple CPUs, respectively. I have no experience
with Java doing algorithmic work.

Cheers, Th.
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