[m-rev.] diff: tabling via extra args (part 1 of 4)

Fergus Henderson fjh at cs.mu.OZ.AU
Sat Jun 19 16:46:15 AEST 2004


On 07-Jun-2004, Zoltan Somogyi <zs at cs.mu.OZ.AU> wrote:
> Reduce the overhead of all forms of tabling by eliminating in many cases
> the overhead of transferring data across the C/Mercury boundary. These
> involve lots of control transfers as well as assignments to and from
> Mercury abstract machine registers, which are not real machine registers
> on x86 machines. Benchmarking in Uppsala revealed this overhead to be
> a real problem.

Did you consider rewriting the tabling procedures in Mercury,
rather making more use of C code?

-- 
Fergus Henderson                    |  "I have always known that the pursuit
                                    |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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