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On 15 Apr 2013, at 16:03, Sean Silva <silvas at purdue.edu> wrote: > See http://llvm.org/bugs/show_bug.cgi?id=6210. Chris is correct at the coarse granularity, but there are some trades to be made at the fine. There is some interesting work from MIT in the context of image processing kernels related to the relative costs of saving intermediates out to cache or DRAM vs recomputing them