Rafael Schouten

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This actually works: ```julia julia> a = CLArray([WithTuple(1, (2,3))]) GPU: 1-element Array{WithTuple,1}: WithTuple(1, (2, 3)) julia> x .+ a GPU: 4-element Array{Int32,1}: 4 5 6 7 ```

Or using your example: ```julia julia> x .+ CLArray(fill(WithTuple(1, (2,3)) , length(x))) GPU: 4-element Array{Int32,1}: 4 3 5 4 ```

Great to get that narrowed down!! Do you have the SO link? would be good to understand what is happening.

For 2d windows at least, `mapwindow` can be an order of magnitude faster by instead of a `view` into the main array, moving a block of `StaticArray`s along the rows...

Im refactoring the neighborhoods in DynamicGrids.jl to be a Neighborhoods.jl package for similar purposes to yours (e.g. slope filters). It should be a lot faster than `mapwindow` here, I would...

Adding to this, DynamicGrids.jl has a _very_ fast `mapwindow` using generated functions and sliding `SArray` windows, so it loads data from only a single column of the parent array for...

In reply to some of the earlier discussion - it is both the name `ImageFiltering` and the many image specific dependencies that scare people away. I've rewritten a lot of...

Thanks that sounds great, this has been something I've been meaning to get involved in for a while, seeing I'm working on a lot ecology/spatial packages. I should be in...

Oh I just read the first line about Berlin above, Motreal is worse lol