[TUHS] Early Unix function calls: expensive?

John Cowan cowan at mercury.ccil.org
Mon Jan 4 10:00:20 AEST 2016

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!)

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