[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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