Yeah, this would maybe possibly affect things like OpenBLAS performance (unlikely, as most of the heavy lifting code is in assembly!), or julia compilation performance, and I don't expect large gains in any case. -E
On Mon, Aug 17, 2015 at 12:47 PM, Stefan Karpinski <[email protected]> wrote: > Note that which GCC you use has very little impact on Julia's performance > since Julia code is generated by LLVM, regardless of how the C code is > compiled. > > On Mon, Aug 17, 2015 at 3:43 PM, Elliot Saba <[email protected]> > wrote: > >> Hello Federico, I don't think that we are using any features in Julia >> that rely on GCC newer than 4.8. Although it is possible that the newer >> GCC releases will know new tricks and can generate slightly faster/more >> efficient code, I don't think there is a compelling reason to use one over >> the other. >> -E >> >> On Mon, Aug 17, 2015 at 12:01 AM, Federico Calboli <[email protected]> >> wrote: >> >>> Hi All, >>> >>> I am using gfortran from GCC: >>> >>> GNU Fortran (Homebrew gcc49 4.9.3 --with-fortran) 4.9.3 >>> >>> but I am aware GCC 4.9 is not the latest. I was wondering whether it >>> would be useful to move up to GCC 5.2.x, to future proof myself -- when >>> Julia 0.4 becomes the new 'stable' I plan to remove my 0.3 and rebuild from >>> scratch, so I would have a perfect moment to switch to a different GCC... >>> >>> Any ideas? >>> >>> Cheers >>> >>> F >>> >> >> >
