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1996 Hotchips: ARM8's deeper pipeline
http://anycpu.org/forum/viewtopic.php?f=3&t=673
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Author:  BigEd [ Wed Jan 08, 2020 12:11 pm ]
Post subject:  1996 Hotchips: ARM8's deeper pipeline

.
Found this interesting presentation (20 page PDF)
ARM810: Dancing to the Beat of a Different Drum by Guy Larri
(Mentioned on Who are the Computer Architects? by Mark Smotherman)

with this pair of pipeline diagrams:
Attachment:
Screenshot 2020-01-08 at 12.01.10.png
Screenshot 2020-01-08 at 12.01.10.png [ 77.93 KiB | Viewed 2615 times ]


The ARM7's 3 stage pipeline is extended to 5 stages, there's a double-pumped read port to the cache, and the clocks-per-instruction improves from 1.9 to 1.4

Author:  BigEd [ Thu Jan 09, 2020 5:10 pm ]
Post subject:  Re: 1996 Hotchips: ARM8's deeper pipeline

Just came across wikichip's description of ARM2:
https://en.wikichip.org/wiki/acorn/micr ... rm2#Core_2

Author:  joanlluch [ Fri Jan 10, 2020 10:50 pm ]
Post subject:  Re: 1996 Hotchips: ARM8's deeper pipeline

BigEd wrote:
Just came across wikichip's description of ARM2:
https://en.wikichip.org/wiki/acorn/micr ... rm2#Core_2
Maybe some day, I will convert my CPU74 to Von Neumann, and implement it using the original 3-stage pipeline of the ARM1 and ARM2. I believe the architecture is totally suitable for that.

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