On Mon, Jan 8, 2018 at 4:43 PM, Walter Dnes <waltd...@waltdnes.org> wrote: > There are "athlons" and then there are "athlons". Check the gcc page > https://gcc.gnu.org/onlinedocs/gcc-6.4.0/gcc/x86-Options.html#x86-Options > for an idea of what's what. You need at least the "k8" version. The > ultimate way to find out is to download the amd64 minimal install ISO > https://wiki.gentoo.org/wiki/Handbook:AMD64/Full/Installation#Obtain_the_media > and try to boot off it. >
I was under the impression that disabling SMP on single core systems could lead to a performance increase, but wasn't necessary. Is the deciding factor actually processor family? And - there are GCC versions or distributions that have already dropped support for x86_64 processors? I'd only read about 32 bit families being dropped.
