[libre-riscv-dev] GPU design

Luke Kenneth Casson Leighton lkcl at lkcl.net
Mon Dec 10 14:45:28 GMT 2018

crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68

On Sun, Dec 9, 2018 at 5:16 PM Luke Kenneth Casson Leighton
<lkcl at lkcl.net> wrote:

> so, the instruction sequence number needs to be the means of
> prioritising the regfile 4-way multiplexers.  lowest (oldest)
> sequential number always wins, and in this way i believe we may ensure
> that even with up to 4 instructions completing at once, the commit
> order is always preserved.
> it may be more complex than that, now that i think about it.

it's both less complex and more involved.  we definitely need to do a


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