The number of cores in future AMD Ryzen can grow

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Ryzen in processors of the fourth generation will return to the 8-core modules CCX, so we can expect available of the “osmeterium” at a price of $200.

Journalists portal Tom’s Hatdware during the conference Supercomputing 2019 talked with the technical Director AMD mark Papermaster (Mark Papermaster). At the meeting discussed the prospects of the company and its products, new technologies, features four thread technology SMT4 and other issues.

For starters, the Brand asked the question of whether the emergence of 32-core processors in the desktop segment. He replied that AMD has set a trend on multi-core and now need new applications and to fully take advantage of multicore.

“In the short term I don’t see a saturation point for the number of cores. Of course, we must consider the development progress to add as many cores as you can to utilize the application. As long as we maintain balance, and I think that will continue this trend.”

As you know, the processors of the fourth generation Ryzen jump to the 8 core modules CCX, so we can expect available of the “osmeterium” at a price of $200, which take the place of the current 6-core Ryzen 5.

On the other hand, Mr. Papermaster noted that the transition to the advanced process technology does not mean a corresponding increase of clock rates: “…we have reached the point where more subtle processes that support more cores, it can suffer from low frequency, as we have seen in Intel Ice Lake. No matter how strong team with TSMC, perhaps, on the horizon is the limit of frequencies that will manifest themselves in the transition to a 5 nm process. However, AMD will make every effort to combat these negative consequences.

We see that Moore’s law is slowing down and the possibility of frequency scaling on each new node either very small or equal to zero in the future. That’s why we invented the tyre Infinity Fabric for flexible scaling and merging of CPU and GPU cores into a single unit. We live in an era of slow Moore’s law, so the company will continue the development of the Infinity Fabric to support interfaces with higher bandwidth, such as PCIe 5.0 and DDR5″.

Journalists also raised the issue of improved simultaneous multithreading (SMT4), which involves processing four threads of one core. “Currently we are not planning to implement SMT4”, — told g-n Papermaster.

“Speaking in General, not all applications can benefit from the technology SMT4. Obviously, some will benefit from this, but in most workloads we do not get clear benefits. As is known, the technology was tested in a server-side solution, so it’s a matter of time when SMT4 can be used effectively in all segments of computing”.

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