[comp.arch] Tahoe calls

guy@auspex.auspex.com (Guy Harris) (03/17/91)

 >Actually, the Tahoe (designed in 1982, BTW) has two call-subroutine
 >instructions: CALLS (call slow) which works more or less like the VAX's,
 >and CALLF (call fast), which is probably what is measured here. ...
 >
 >All this makes CALLF a very useful tool indeed: while on the whole, the
 >Tahoe is about 8-10 times as fast as a VAX780, subroutine call is 22 times
 >faster!

As I remember, even CALLS was faster than the VAX's CALLS instruction.