By: Björn Ragnar Björnsson (bjorn.ragnar.delete@this.gmail.com), August 27, 2022 11:07 am
Room: Moderated Discussions
Rayla (rayla.delete@this.example.com) on August 27, 2022 10:35 am wrote:
> Nobod (Nobod.delete@this.nospam.com) on August 27, 2022 9:21 am wrote:
> > Chips & Cheese analyzes Tachyum’s Revised Prodigy Architecture
> >
> > The new architecture is more traditional and more likely to work. Unfortunately it is trying to address
> > both HPC and datacenter server markets, but isn’t better than the alternatives at either job.
>
> So... A somewhat unbalanced OoO design (gshare predictor, only 96 physical regs), a pair of massive vector
> units, tiny total caches per core (1MB is fine as an L2, but in the absence of a dedicated L3 it's awfully
> small unless 32+ cores are inactive, isn't it?), clock targets that can politely be described as optimistic,
> and a memory interface far slower than those present in GPUs in a similar FLOPS range?
>
> What am I missing?
I don't think you're missing anything. It appears that the Chips and the Cheese
got to imbibe Tachyum kool aid directly from the fount after which they seem to
be slightly giddy without being totally inebriated.
Ian Cutress's video piece with the c&c's is basically a waste of time if you read
the chipsandcheese text.
What we are being presented with now is, in today's tech, for all intents and
purposes a pretty conventional design. Hopefully they'll have something interesting,
hopefully they'll have something :) but I'd be amazed (even delighted) if they live
up to a fraction of their hype.
> Nobod (Nobod.delete@this.nospam.com) on August 27, 2022 9:21 am wrote:
> > Chips & Cheese analyzes Tachyum’s Revised Prodigy Architecture
> >
> > The new architecture is more traditional and more likely to work. Unfortunately it is trying to address
> > both HPC and datacenter server markets, but isn’t better than the alternatives at either job.
>
> So... A somewhat unbalanced OoO design (gshare predictor, only 96 physical regs), a pair of massive vector
> units, tiny total caches per core (1MB is fine as an L2, but in the absence of a dedicated L3 it's awfully
> small unless 32+ cores are inactive, isn't it?), clock targets that can politely be described as optimistic,
> and a memory interface far slower than those present in GPUs in a similar FLOPS range?
>
> What am I missing?
I don't think you're missing anything. It appears that the Chips and the Cheese
got to imbibe Tachyum kool aid directly from the fount after which they seem to
be slightly giddy without being totally inebriated.
Ian Cutress's video piece with the c&c's is basically a waste of time if you read
the chipsandcheese text.
What we are being presented with now is, in today's tech, for all intents and
purposes a pretty conventional design. Hopefully they'll have something interesting,
hopefully they'll have something :) but I'd be amazed (even delighted) if they live
up to a fraction of their hype.