Ay, how many times I've done it! Still forget about global variables! OK, I see now about `.+` and friends.
Thanks! On Friday, October 21, 2016 at 3:59:59 AM UTC+2, Steven G. Johnson wrote: > > Putting things into a function to avoid benchmarking in global scope: > > > foo!(x,y) = x .= cos.(sin.(y)) > > y = rand(1000); x = similar(y); > > @time foo!(x, y); > > > gives (after running @time twice to eliminate the compilation time): > > > 0.000035 seconds (5 allocations: 176 bytes) > > > i.e. it is not allocating any arrays, and all the loops are fused. > > > Binary operations like .+ will not be fused until Julia 0.6, however. > (This is documented in the manual.) >
