By: Kara (karaardalan.delete@this.gmail.com), August 20, 2022 11:04 pm
Room: Moderated Discussions
rwessel (rwessel.delete@this.yahoo.com) on August 20, 2022 6:50 pm wrote:
> HTM on about the only platform on which it's been reasonably
> successfully implemented, namely Z, is going away.
>
> On page 93 of:
>
> https://www.redbooks.ibm.com/redpieces/pdfs/sg248951.pdf
>
> "Removal of support of the transactional execution and constrained transactional
> execution facility: In a future IBM Z hardware system family, the transactional execution
> and constrained transactional execution facility will no longer be supported. Users of the
> facility on current servers should always check the facility indications before use."
>
> So introduced on the EC12s, and still on z16, but not long for this world.
>
> IBM also removed it from Power10 a couple of years ago.
Well, ARM is just getting started with its TME lol.
Also I remember in anandtech's deep dive of the M1 they said apple is using a HTM to share threads between the big cores, so, that's something!
> HTM on about the only platform on which it's been reasonably
> successfully implemented, namely Z, is going away.
>
> On page 93 of:
>
> https://www.redbooks.ibm.com/redpieces/pdfs/sg248951.pdf
>
> "Removal of support of the transactional execution and constrained transactional
> execution facility: In a future IBM Z hardware system family, the transactional execution
> and constrained transactional execution facility will no longer be supported. Users of the
> facility on current servers should always check the facility indications before use."
>
> So introduced on the EC12s, and still on z16, but not long for this world.
>
> IBM also removed it from Power10 a couple of years ago.
Well, ARM is just getting started with its TME lol.
Also I remember in anandtech's deep dive of the M1 they said apple is using a HTM to share threads between the big cores, so, that's something!