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echo: rberrypi
to: DENNIS LEE BIEBER
from: PANCHO
date: 2020-08-28 21:53:00
subject: Re: Spectre / Meltdown

On 28/08/2020 20:19, Dennis Lee Bieber wrote:
> On Fri, 28 Aug 2020 18:26:26 -0000 (UTC), Martin Gregorie
>  declaimed the following:
>
>>
>> Another argument in favour of RISC rather than CISC?
>
>  If ARM is considered RISC, it is still pipelined:
>
https://www.nccgroup.com/us/about-us/newsroom-and-events/blog/2011/september/ar
m-pipeline-and-gdb-oh-my/
>
https://en.wikipedia.org/wiki/ARM_architecture#Pipelines_and_other_implementati
on_issues
>
>
ARM is pipelined, I think all chips are now.

FWIW Risc architectures pioneered (longer) pipelining. In particular I
think there was an idea about optimising compilers being able to do
better branch prediction.

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