>From what I can tell, the current bottleneck in the compiler is in
lapgn1.scm

              (fluid-let ((*dead-registers* dead-registers)
                          (*registers-to-delete* dead-registers)
                          (*prefix-instructions* (LAP))
                          (*suffix-instructions* (LAP))
                          (*needed-registers* '()))

Fluid-let seems to be rather expensive, and this one is called a lot.

-- 
~jrm

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