From octave-maintainers-request at bevo dot che dot wisc dot edu Tue Jun 22 11:08:26 1999 Subject: the latest LAPACK From: "Ross A. Lippert" To: octave-maintainers at bevo dot che dot wisc dot edu Date: Tue, 22 Jun 1999 10:07:48 -0600 > A pre-release of LAPACK 3.0 is available by doing > > ftp cs.utk.edu > cd pub/sost/ > binary > get pre-release.tar.gz > get revisions.info (list of new routines and mods) > quit > > Among many nice things it does, is a computation of least square > and SVD's via a new divide and conquer algorithm, which, according > to some data Jim Demmel presented in a talk last week, can be as > much as 5 times faster than the current routines. It also has > xgeev routines which do not barf on a bad example due to Wilkinson > (there is a shifting policy that you can confuse badly with the > right counterexample, and presently, octave's barfs on this). > > Since I have a research interest that requires fast SVD computation, > I am thinking of trying to incorporate the new LAPACK routines into > octave. Unless, someone else is working on this, and then I would > like to collaborate with them. I'm not sure how much interest there > is, or how much the octave code would need to be modified for the new > routines. > > The release date of LAPACK 3.0 is set right now at June 30th and > subject to change. > > -r