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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