On Thu, Dec 15, 2011 at 9:47 PM, Cedric Greevey <cgree...@gmail.com> wrote:

> ...


Nobody wants map-longs. We have lovely abstractions like map / filter /
reduce, we have primitive fns, we have collections which can hold
primitives, we have type hints.

What I'd like to see is that by adding one single annotation to this

(reduce + foo)

like so:

(reduce + ^long-vector foo)

triggers the compiler to eliminate all unnecessary allocations and work
only on unboxed data. Another approach might be some of Rich Hickey's ideas
of about primitive fns that understand chunks.

Do your ideas get us any closer to writing idiomatic Clojure yet getting
close to the performance of primitive operations on collections of unboxed
data?

David

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