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Re: matmul, dotprod, transpose performance patch proposal
- From: Paul Brook <paul at codesourcery dot com>
- To: fortran at gcc dot gnu dot org
- Cc: Tobias Schlüter <tobias dot schlueter at physik dot uni-muenchen dot de>,tprince at computer dot org
- Date: Wed, 24 Aug 2005 11:51:23 +0100
- Subject: Re: matmul, dotprod, transpose performance patch proposal
- Organization: CodeSourcery
- References: <430C0DF7.9070509@myrealbox.com> <430C3B1D.4060407@physik.uni-muenchen.de>
> You might also want to look into the MATMUL(A,TRANSPOSE(B)) optimization
> that was discussed before: instead of creating a transposed temporary, just
> create a copy of B's array descriptor with the x and y direction
> interchanged.
We (CodeSourcery) have a patch for this. It should be finished soon.
Paul