Hi,
Back to this for a moment.
> Opteron-specific optimizations gain in some applications from use of the
> larger register sets. The floating point units are designed to run as fast
> with scalar instructions as with parallel, in some cases. Still, PGI
> Fortran offers the option to "cache-align" arrays in order to gain
> advantage from parallel instructions. While there is an advantage in these
> optimizations, it's not as great as you appear to be looking for.
> Tim Prince
In general, are Opteron-specific optimizations available only
when compiling 64-bit executables, or when compiling 32-bit
executables as well?
Thanks,
-P.
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