On 06/02/2014 05:07 AM, Julien Cristau wrote: > For a lot of scientific packages, the upstream authors don't know what > they're doing. So I'm not sure that's much of an argument. [citation needed] Also, it's easy to just play with the -O option and see what's faster. So IMO, it's a package maintainer decision, and I can't see where exactly we have an issue. Thomas