On 1 June 2014 18:03, Yamakaky <yamak...@yamaworld.fr> wrote: > Hi > > I just discovered the gcc option march=native. It enables all the > local-supported optimizations, without downsides except the non-portability > of the binaries. Is there a reason why it isn't enabled by default, as cross > platform compilation isn't used by most of the users (I think) ?
I think your main concern is why portability would matter first and why we would stick with that by default. I believe when the decision was made it was simply based on the fact that being able to share is worth more for the community than local optimization. -- GPG/PGP ID: C0711BF1
