That's how you do it: https://github.com/JuliaGPU/GPUArrays.jl/blob/master/src/linalg.jl#L29 https://github.com/JuliaGPU/GPUArrays.jl/blob/master/src/lin... O

That's how you do it: https://github.com/JuliaGPU/GPUArrays.jl/blob/master/src/linalg.jl#L29 https://github.com/JuliaGPU/GPUArrays.jl/blob/master/src/lin... Or directly with cuda shfl intrinsics: https://github.com/JuliaGPU/CUDAnative.jl/blob/b249dfd145501632695cc6e03cdf98e49f5c8708/examples/reduce/reduce.jl#L22 https://github.com/JuliaGPU/CUDAnative.jl/blob/b249dfd145501...