Package: libatlas3gf-base Version: 3.6.0-21.5 Severity: normal Randomly unstable results of SVD and slower then blas.
An excerpt from a thread https://www.cae.wisc.edu/pipermail/bug-octave/2008-July/006403.html Reproducible with 3.0.1 on debian lenny amd32 - octave3.0 1:3.0.1-4 liblapack.so.3gf => /usr/lib/atlas/liblapack.so.3gf (0xb638f000) libblas.so.3gf => /usr/lib/atlas/libblas.so.3gf (0xb6013000) - libatlas3gf-base 3.6.0-21.5 This error disappears when I run with libraries provided by: libblas3gf 1.2-1.6 liblapack3gf 3.1.1-0.5 LD_PRELOAD=/usr/lib/libblas.so.3gf.0:/usr/lib/liblapack.so.3gf.0 \ /usr/bin/octave-3.0.1 I found an anothor issue - inefficiency of debian's atlas on my Athlon XP 1600+: A=rand(200,40)+1i*rand(200,40); b=rand(200,1); t0=cputime; x0=A\b;for iter=1:1000, x=A\b; err(iter)=norm(x0-x,Inf); end; sum(err~=0),cputime-t0 atlas ~10.5 seconds blas+lapack ~9.2 seconds -- System Information: Debian Release: lenny/sid APT prefers testing APT policy: (991, 'testing'), (50, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.22-3-k7 (SMP w/1 CPU core) Locale: LANG=pl_PL, LC_CTYPE=pl_PL (charmap=ISO-8859-2) (ignored: LC_ALL set to pl_PL) Shell: /bin/sh linked to /bin/bash Versions of packages libatlas3gf-base depends on: ii libc6 2.7-10 GNU C Library: Shared libraries ii libgcc1 1:4.3.1-2 GCC support library ii libgfortran3 4.3.1-2 Runtime library for GNU Fortran ap libatlas3gf-base recommends no packages. Versions of packages libatlas3gf-base suggests: pn libatlas3gf-3dnow <none> (no description available) pn libatlas3gf-sse <none> (no description available) pn libatlas3gf-sse2 <none> (no description available) ii libblas3gf 1.2-1.6 Basic Linear Algebra Subroutines 3 ii liblapack3gf 3.1.1-0.5 library of linear algebra routines -- no debconf information -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
