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I haven't found that to be the case. I don't mean that Clozure's performance is bad, but optimizing numeric code is SBCL's reason for being. When I switched fro

I haven't found that to be the case. I don't mean that Clozure's performance is bad, but optimizing numeric code is SBCL's reason for being. When I switched from SBCL to Clozure, I had to move things like password hashing out of Lisp, because I couldn't get acceptable performance out of Ironclad.

lispm 12y ago
In my experience you can get excellent numeric performance out of CCL (and earlier MCL). But there are several issues and it may be a lot of work. But I definitely agree that the SBCL compiler is a lot better doing these things and it is much easier there.