The idea is to transform into a lazy sequence of eager chunks. That 
approach should work.

On Monday, March 11, 2013 11:40:01 AM UTC+1, Jim foo.bar wrote:
>
>  I don't think you will be able to do a parallel fold on a lazy-seq which 
> is what clojure.data.xml/parse returns. Vectors are the only persistent 
> collection that supports parallel fold and something tells me it's because 
> they are NOT lazy...
>
> why can't you 'vec' the result of xml/parse and then use fold on that? Is 
> it a massive seq?
>
> Jim
>  
>
> On 11/03/13 00:40, Paul Butcher wrote:
>  
> As things currently stand, fold can be used on a sequence-based reducible 
> collection, but won't be parallel.
>
>  I'm currently working on code that processes XML generated by 
> clojure.data.xml/parse, and would love to do so in parallel. I can't 
> immediately see any reason why it wouldn't be possible to create a version 
> of CollFold that takes a sequence and "chunks" it so that it can be folded 
> in parallel. Has anyone tried this yet? Is there some gotcha lurking to 
> catch me out?
>
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