Jon Harrop wrote:

>Does anyone have any pointers to information about the origin of the size 
>limit for arrays? I assume it is something to do with the garbage collector 
>using a fixed-size tag instead of a variable-size one but I'd be interested 
>in the details.
>  
>
You're correct, see byterun/mlvalues.h for details.

I suspect variable-length tags would probably increase complexity and 
decrease performance considerably...and personally I hope we'll all be 
migrating to 64-bit architectures soon, anyhow.

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