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CXL or Compute Express Link offers much more memory bandwidth along with higher capacities. SK Hynix’s CMS is equipped with an SoC capable of handling machine learning and data filtering computation functions. It also identifies whether a task is too taxing on the CPU or not. In the future, this could separate the more CPU-oriented tasks from the SoC for additional efficiency. ~SK Hynix Similarly as highlighted by Tom’s Hardware, this Computational Memory Solution ships with a PCIe 4.0 interface supporting the CXL.mem and CXL.io protocols offered by CXL.
CXL.io – This protocol is based on the PCIe 5.0 standard and allows for device discovery, enumeration, register I/O access and much more.CXL.mem – This protocol enables the host CPU to access cache host memory while providing a low-latency I/O interface.
When compared against normal CPUs, this solution can offer several times faster performance in specific workloads. For day-to-day uses, that may not mean much. However, for servers that revolve around specific types of computations, this technology will prove to be extremely fruitful. Currently, SK Hynix has developed a 96GB CXL memory device consisting of 24GB DDR5 DRAMs. However, this new CXL memory prototype features a whopping 512GB of memory spanning across four 128GB modules. SK Hynix aims to show more regarding this technology at the upcoming SK Tech Summit in Korea planned in early November. ~SK Hynix
