By: Chester (lamchester.delete@this.gmail.com), November 9, 2022 9:12 pm
Room: Moderated Discussions
anonymou5 (no.delete@this.spam.com) on November 9, 2022 11:29 am wrote:
> > Zen 4c won't have any changes like that, it'll have the same netlist as a regular Zen 4 core
> > but with a different layout and gate sizings. It looks like the fruit of all that work they
> > did back in the Bulldozer days for improving automated layout to be able to just re-tune an
> > existing design to be smaller and more power efficient at the expense of clock speeds.
>
> remember these? :)
>
> https://www.flickr.com/photos/130561288@N04/50979269043/in/photolist-2kES5zA-2kES5Ax-2k774YV-2k6zcs4-2kCv4hs
> https://www.flickr.com/photos/130561288@N04/50979268988/in/photolist-2kES5zA-2kES5Ax-2k774YV-2k6zcs4-2kCv4hs
Further investigation in a Twitter thread (https://twitter.com/gpusaremagic/status/1439205765559066627) showed they had cut two of the FP pipes. However, register file capacity stayed the same
> > Zen 4c won't have any changes like that, it'll have the same netlist as a regular Zen 4 core
> > but with a different layout and gate sizings. It looks like the fruit of all that work they
> > did back in the Bulldozer days for improving automated layout to be able to just re-tune an
> > existing design to be smaller and more power efficient at the expense of clock speeds.
>
> remember these? :)
>
> https://www.flickr.com/photos/130561288@N04/50979269043/in/photolist-2kES5zA-2kES5Ax-2k774YV-2k6zcs4-2kCv4hs
> https://www.flickr.com/photos/130561288@N04/50979268988/in/photolist-2kES5zA-2kES5Ax-2k774YV-2k6zcs4-2kCv4hs
Further investigation in a Twitter thread (https://twitter.com/gpusaremagic/status/1439205765559066627) showed they had cut two of the FP pipes. However, register file capacity stayed the same
