On Sun, Sep 22, 2013 at 08:27:52PM +0100, Richard W.M. Jones wrote: > > However, ATLAS still has different flavors for different CPUs (e.g. > > 3dnow, sse, sse2, sse3 etc). I'm not sure if this can be easily handled > > with alternatives. > Please don't [to ATLAS upstream, not Susi] do this. It breaks all > sorts of scenarios, especially virtual machine migration or simply > moving hard disks from one physical machine to another. > Arrange your code so it chooses the best available routines when the > program starts up, and compile every feasible alternative into the > binary. Or use kernel vdso/user-helper functions when that is > applicable. Actually, what ATLAS upstream intends is for the program to be recompiled on every installation (or boot, even). I think we used to have packages that did that; this is a compromise. -- Matthew Miller ☁☁☁ Fedora Cloud Architect ☁☁☁ <mattdm@xxxxxxxxxxxxxxxxx> -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
