Re: [eigen] FLENS C++ expression template Library has excellent documentation

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> This can be explained by the use of GCC 4.3 in this benchmark which is
> less good than GCC 4.2 and 4.4 for Eigen.


>> I am thinking that that is due to there being machine
>> dependent constants in the eigen which need to be tuned for each
>> machine.
> There is basically one constant to tune, the cache size.

There will be more if we go parallel. In the eigen internals page, you
refer to MxK into KxN matrix. What happened to M,K,N tuning there.
It's a bit complicated, so I haven't understood it completely. Aren't
there more parameters?

Rohit Garg

Senior Undergraduate
Department of Physics
Indian Institute of Technology

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