[m-dev.] using set_tree234 as the default implementation of sets
pbone at csse.unimelb.edu.au
Tue Sep 29 15:53:17 AEST 2009
On Tue, Sep 29, 2009 at 03:35:04PM +1000, Zoltan Somogyi wrote:
> I tried this, and on tools/speedtest, it led to a 6% slowdown when the compiler
> was compiled in hlc.gc, and a 14% slowdown when the compiler was compiled in
> asm_fast.gc. These results tell me we should continue to use set_tree234
> in places where sets can become very big, but we should continue to use
> plain sets in places where they are very unlikely to become big, which in
> the compiler is most places.
Thanks for this, Thibaut and I had been wondering how these implementations
compared for typical uses of sets.
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