On Jul 26, 2009, at 6:05 PM, Adam R. Maxwell wrote:
Good point. 8--10 displayed in the table (typically), but each item has an arbitrary number of values (typically < 20, though). Users can also display an arbitrary number of columns, so there are lots of fun performance problems to find :).
The value of the column-mapper architecture I outlined increases with the number of columns. :-)
I'm *still* finding new ways to make it even faster. Memory usage doesn't bother me as much as taking 40 seconds to scan through the rows looking for certain values to act upon (find/replace, convert, etc.). Sorting speed is about as fast either way, though.
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