The Windows one is using the pre-built binary. The Linux one uses the COPR nightly (I assume that should build with all the goodies?)
On Wednesday, September 21, 2016 at 9:00:02 AM UTC-7, Simon Byrne wrote: > > On Wednesday, 21 September 2016 06:56:45 UTC+1, Chris Rackauckas wrote: >> >> Hi, >> First of all, does LLVM essentially fma or muladd expressions like >> `a1*x1 + a2*x2 + a3*x3 + a4*x4`? Or is it required that one explicitly use >> `muladd` and `fma` on these types of instructions (is there a macro for >> making this easier)? >> > > You will generally need to use muladd, unless you use @fastmath. > > > >> Secondly, I am wondering if my setup is no applying these operations >> correctly. Here's my test code: >> > > If you're using the prebuilt downloads (as opposed to building from > source), you will need to rebuild the sysimg (look in > contrib/build_sysimg.jl) as we build for the lowest-common architecture. > > -Simon >
