[TUHS] Early Unix function calls: expensive?

[John Cowan]

Warren Toomey scripsit:

>      VAX code was often spending 50% of its time in the CALLS
>      instruction.

>From what I understand, the use of CALLS was abandoned on the VAX
at some point in favor of a cheaper calling convention.

-- 
John Cowan          http://www.ccil.org/~cowan        cowan at ccil.org
Where the wombat has walked, it will inevitably walk again.
   (even through brick walls!)