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POWhich haskell array implementation to use? AKA what are the pros and cons of each
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copied!<p>What do I need? [an unordered list]</p> <ul> <li><strong>VERY</strong> easy parallelization</li> <li>support for map, filter etc.</li> <li>ability to perform array based computations <em>efficiently</em>, like A=B+C, sort of like matlab arrays.</li> <li>Generation of SIMD code. I guess this is out of the question in the near future for anything, but hey, I can ask :)</li> <li>support for matrices should be there at a minimum, higher dimensions are lower priority right now.</li> <li>ability to get a pointer to it and create one from a C pointer.</li> <li>Support from other libraries. IE, bindings to popular C math packages, i/o to disk or images if the arrays are 2D </li> </ul> <p>What do I see?</p> <ul> <li>Array package in haskell-platform. It's the blessed one and can do parallel</li> <li>Data.Vector. Has loop fusion, but not in platform, so its maturity is unknown to me. </li> <li>repa package, contributed by the DPH team, but doesn't work well with any stable ghc <em>today</em>.</li> <li>Lots of variation in the level of support for array implementations. For instance, <a href="https://stackoverflow.com/questions/5191329/which-haskell-library-will-let-me-save-a-2d-array-vector-to-a-png-jpg-gif-file">there doesn't seem</a> to be an easy way to dump a 2D vector to a image file. IOW, the haskell community apparently hasn't settled on an array implementation. </li> </ul> <p>So please, help me choose. </p> <p><strong>EDIT</strong> A=B+C refers to element wise addition, and not list concatenation</p>

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