Re: A small programming question 030 vs 040/060
>Hi there,
>
>I have got a small question for you all which I got from a friend. I hope
>you understand what his question is and that someone has got an answer for
>him that I can forward.
>
>Anyone wants to make a try? Thanks!
>
>I think that the 040 can make 1 instruction for each cycle in most cases,
>or? What about the 060?
>
>//Magnus Kollberg
>
>
>----- Begin Included Message -----
>
>I have question for you : Do you know how many instruction make a 68040 and
>a 68060 per cycle at their maximum. I think 68060 can do two instructions no ?
>68040 only one...I make a little program and i see the 68030 make 1
>instruction for 2 cycles...
>
>
>----- End Included Message -----
I'm not sure I understand the question. If you're asking for the maximum
number of instructions that can be completed in a cycle, I think it's one.
The 040 is pipelined, if the right instructions are chosen, and the
pipeline is filled, you can get one instruction completed per cycle.
I'm not sure about the architecture of the 060. If it has multiple
decoding and/or integer calculation units, it could do two (or more)
instructions per cycle. Anyone out there have the Motorola 060 book?
Michael White (michael_at_fastlane.net)
Received on to. sep. 03 1998 - 10:32:00 CEST
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