By: Linus Torvalds (torvalds.delete@this.linux-foundation.org), April 1, 2021 9:59 am
Room: Moderated Discussions
dmcq (dmcq.delete@this.fano.co.uk) on April 1, 2021 10:35 am wrote:
>
> I am surprised by ARM then. It doesn't sound like they have much chance of getting a worthwhile
> facility given the experience others have had. And it isn't as though this had to be in ARMv9 from
> the start, unlike the atomics and SVE2 which really do need to be part of a server baseline.
The thing is, transactional memory looks like a good thing, because it's so easy to create benchmarks where it really does very very well.
And who knows. Maybe ARM can succeed where Intel and IBM did not, and they can succeed despite all my arguments, and all the history against them.
I am just not very optimistic.
Linus
>
> I am surprised by ARM then. It doesn't sound like they have much chance of getting a worthwhile
> facility given the experience others have had. And it isn't as though this had to be in ARMv9 from
> the start, unlike the atomics and SVE2 which really do need to be part of a server baseline.
The thing is, transactional memory looks like a good thing, because it's so easy to create benchmarks where it really does very very well.
And who knows. Maybe ARM can succeed where Intel and IBM did not, and they can succeed despite all my arguments, and all the history against them.
I am just not very optimistic.
Linus