Thank you all for suggestions and troubleshooting. I'll try 0.4.5 Julia version later, post results.
On Thursday, 24 March 2016 14:31:29 UTC+1, Yichao Yu wrote: > > On Thu, Mar 24, 2016 at 9:26 AM, Erik Schnetter <[email protected] > <javascript:>> wrote: > > 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. > > IIRC the 0.4.* binaries should be built with llvm 3.3. > > > > > -erik > > > > On Thu, Mar 24, 2016 at 8:54 AM, Yichao Yu <[email protected] > <javascript:>> wrote: > >> On Thu, Mar 24, 2016 at 3:22 AM, Igor Cerovsky > >> <[email protected] <javascript:>> 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] <javascript:>> > > http://www.perimeterinstitute.ca/personal/eschnetter/ >
