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by lispm
774 days ago
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No, the reason for less than stellar performance of Lisp on the 32bit x86 CPUs were things like too few registers. On 64bit Intel CPUs this is much less of a problem and Lisp runs roughly twice as fast in 64bit mode. I would think that this even holds without taking advantage of wider data words. On other architectures this was less of a problem. 32bit CPUs had more registers on a RISC or some other CISC CPUs. |
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