Slides show Intel Xeon processors based on Skylake with 28 cores




Intel is the end of 2017 with the Purley platform of Xeon processors based on the architecture Skylake, according to slides that have appeared on the Internet. Purley According to Intel, the biggest advance since Nehalem platform. There are CPUs with 28 cores.

The slides were briefly with roadmap on a site of an HPC conference in Poland where Intel gave a presentation. The slides have been removed but include The Platform report it. The Purley platform comes the end of 2017 and will be based on the Skylake architecture: a tock in Intel’s tick-tock-pattern to indicate that it is a new micro-architecture. The first Skylake chips for consumers already this year.

The Xeons of Purley generation are designed for HPC, storage, network and enterprise applications. The chips have to go deliver significantly better performance per watt and include expansion into 512bit processing at the AVX instruction set to provide for this, while the memory bandwidth goes up. The latter is due to the increase from four to six memory channels per socket.

Purley’s optical 100Gbit / s interconnects, which Intel calls Omni-Path, get integrated. Also upcoming Xeon Phi accelerators will have these interconnects. In addition, make the slides reported a ‘upi’ successor as QPI processor interconnect. When using three channels would throughput on 10,4GT / s come true with QPI up to 9,6GT / s would be. Furthermore, given CPU’s access to 48 PCI-E 3.0 lanes and can support pch of Purley 20 PCI-E interfaces.

There will Purley-based Xeons Skylake with TDP of 45W and maximum TDP Xeon models is 165W. The models get support for Socket P. The maximum number of cores will be at 28, where it is 24 cores at Broadwell EP-22 and Broadwell-EX. In the current generation of Haswell-Xeons is the maximum number of cores 18.


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