I usually load both blas-atlas and lapack-atlas, even though I don't currently run anything that uses lapack. R uses only blas-atlas.
Darren Dale wrote: >Hi Ed, > >On Saturday 30 April 2005 03:07 pm, M. Edward (Ed) Borasky wrote: > > >>Speaking of Atlas, I recently did some beta-testing on R 2.1 and found >>some minor numerical issues on my Athlon Thunderbird in the Atlas 3.6.0 >>libraries built by Gentoo ebuilds. These weren't ghastly problems -- >>just a low-end bit or two in some linear regressions -- but they were >>enough to trigger some rather sensitive error tests in the R test suite. >>The tests were in fact so sensitive that the R developers made them more >>lenient as a result of my bug reports. :) >> >>The interesting thing, though, is that I was the *only* tester that >>reported these issues, and that they went away when I built Atlas, both >>3.6.0 and the latest, 3.7.8, directly from source, rather than from the >>ebuild, and used the hand-built version in building R. >> >> > >Which atlas ebuild were you using? I use the lapack-atlas and blas-atlas >ebuilds, and I built scipy from source. The scipy tests passed, but maybe >they are less sensitive. > > > -- [email protected] mailing list
