Let me comment as an SBCL user: This is outstanding work, and I can now remove a lot of performance hacks from my code because the default hash tables became e

Let me comment as an SBCL user: This is outstanding work, and I can now remove a lot of performance hacks from my code because the default hash tables became equally fast! Also, this technique eliminates a number of worst-case scenarios and inefficiencies, which is a boon for any hash table user.