Re: Making 'eq' == 'eql' in bignum branch

[Stefan Monnier]

>> the time to lookup up a GMP number in a hash table basically should
>> never be longer than the time it took to construct this number in the
>> first place
> Doesn't a similar argument apply to the cost of construcing an Lisp float
> (including memory allocation)? If we hashed floats as well as bignums,
> eq==eql would be trivial.

Float operations are fundamentally much faster than a hash-lookup.
The fact that we heap-allocate them makes the relative cost of
hash-consing lower, but I think it's still likely to increase run-time
by a factor higher than 2x.


        Stefan