On Tue, 2009-10-06 at 16:41 +0200, Cyrus Hall wrote: > I've recently run into what appears to be a known and reported problem > in Atlas 3.2.1
Sorry, that should have read Atlas 3.6.0, not 3.2.1. I was reading the wrong version number in aptitude. Scott, if you want to test any new build you make, you can also run the test posted at https://bugs.launchpad.net/ubuntu/+source/atlas/+bug/406520 or https://bugs.launchpad.net/ubuntu/+source/atlas/+bug/376739 You can switch between the SSE2 optimized version and the non-optimized version (which appears to function correctly) by using LD_PRELOAD: LD_PRELOAD=/usr/lib/libblas.so # Non-optimized version LD_PRELOAD=/usr/lib/sse2/atlas/libblas.so.3gf # SSE2 optimized version (or whatever the appropriate directories are for a non-installed build. You can confirm LD_PRELOAD is working by checking the result of runtime linking with ldd. This probably isn't news to anyone on this list...) I can tell you that the version you posted yesterday is still vulnerable to the bug, at least as tested by: http://launchpadlibrarian.net/25714126/test.f Is there any particularly reason not to upgrade atlas to a version that isn't six years old? The newest stable version of atlas is 3.8.3 from 18-02-09. 3.6.0 was released December of 2003. I can confirm that the test program works successfully with a build of 3.8.3 I made. I would be happy to package up 3.8.3 for ubuntu, at least for architectures I have access to (x86 CoreDuo and a x86-64 Opteron), if someone could offer me some pointers. I am not familiar with apt beyond the level of a daily user, meaning I've never created packages for distribution before, but I'd be more than willing to give it a try. No matter, take away message here is that the new build does not fix the problem. If I have more spare time later this week I'll try and see if I can't hunt down the version in which the problem went away. Cheers, Cyrus -- ubuntu-motu-science mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-motu-science
