Using only SSE2 instead of AVX is slower by a factor of two. You can try a newer version of Julia (0.4.5?) that should build against LLVM 3.7.1 instead of LLVM 3.3.
-erik On Thu, Mar 24, 2016 at 8:54 AM, Yichao Yu <[email protected]> wrote: > On Thu, Mar 24, 2016 at 3:22 AM, Igor Cerovsky > <[email protected]> wrote: >> I cannot find ymm instuctions in the assembly code. Does >> LLVM libLLVM-3.3 supports AVX2 instruction set? > > Disabled due to llvm bug. The nightly binary is probably also compiled > without it. -- Erik Schnetter <[email protected]> http://www.perimeterinstitute.ca/personal/eschnetter/
