Monday, February 6th, 2023

AMD CPU patent reveals new innovations 3D-stacked machine learning accelerator design

 The patent by AMD doesn’t ensure that consumers will see the newly designed processors appear on the market. The company’s newest venture does allow users to see what the future might hold with the proper research and development at the forefront. AMD has not expressed any information about the recent patent, which means we can only estimate what the company plans for the new designs.

The ‘Direct-connected machine learning accelerator’ patent issued to AMD explains the possible uses that the company can initiate with an ML-accelerator stacked onto the processor with the included IOD. The technology will consist of an FPGA or compute GPU to process ML workloads stacked on an IOD with a specialized accelerator connector. AMD can initiate this design by adding a unique accelerator within the local memory, using the memory linked to the IOD or a separate section not attached to the head of the IOD.

When ‘machine learning’ is discussed, it is usually synonymous with data centers. Yet, AMD will need to boost the workloads of its chips with this new technology. The patent by AMD would allow for workloads to increase in speed without combining costly and customized silicon used in system chips. Advantages would also include more efficiency in power, data transmissions, and more capabilities.Ad

The patent’s timing seems strategic due to the filing close to the AMD/Xilinx acquisition. Now that we are a little over a year and a half after the filing and seeing the patent ultimately published at the end of March 2022, we may see the new designs, if they come into fruition, as early as 2023. The inventor listed on the patent is AMD fellow Maxim V. Kazakov.

With assistance from Xilinx technology, the company can now offer compute-focused GPU designs, robust FPGA designs, programmable processor series from Pensando, and a solid x86 microarchitecture. Multi-chiplet designs, similar to the tech seen in the AMD Infinity Fabric interconnective technology, are now a reality for the company. Datacenter processors with vertical stacking will offer more options for enterprises by combining multi-tile APUs for datacenters and processors built with TSMC’s N4X performance nodes and rounding it out with either a graphics processor or FPGA accelerator with an optimally enhanced N3E process tech.

The crucial takeaway from the published patent from AMD is the machine learning accelerator technology itself and its place in the future of consumer-based CPUs. AMD would incorporate the accelerator more universally along future product lines, allowing for a more diverse portfolio that would place them at the forefront of data center applications and client-specific utilization.

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