On Dec 10, 2012, at 4:06 AM, Mark Shannon <m...@hotpy.org> wrote: >> Instead, the 24-byte entries should be stored in a >> dense table referenced by a sparse table of indices. > > What minimum size and resizing factor do you propose for the entries array?
There are many ways to do this. I don't know which is best. The proof-of-concept code uses the existing list resizing logic. Another approach is to pre-allocate the two-thirds maximum (This is simple and fast but gives the smallest space savings.) A hybrid approach is to allocate in two steps (1/3 and then 2/3 if needed). Since hash tables aren't a new problem, there may already be published research on the best way to handle the entries array. Raymond
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