![]() By creating a common memory space for connected devices, the CXL standard brings performance advantages for hyperscalers and other advanced applications. Compute Express Link leverages the standard PCIe® physical layer and runs as a supported alternate protocol. ![]() IEEE (2019)Ĭompute Express Link: The Breakthrough CPU-to-Device Interconnect (2020).CXL is a cache-coherent open interconnect standard for high-speed CPU connection to memory and other devices. In: 2019 IEEE Symposium on High-Performance Interconnects (HOTI), p. Van Doren, S.: HOTI 2019: compute express link. Li, H., et al.: First-generation memory disaggregation for cloud platforms. Webinar, Compute Express Link™ (CXL™) Link-level Integrity and Data Encryption (CXL IDE), September 2021 Sharma, D.D., Tavallaei, S.: “Compute Express Link 1.1 specification blog” at CXL website, March 2020. IEEE (2021)Ī Computer Weekly buyer’s guide to “computational storage and persistent memory.” Computer Weekly (2021). In: 2021 IEEE Symposium on High-Performance Interconnects (HOTI), pp. Sharma, D.D.: Keynote 1: Compute Express Link (CXL) changing the game for Cloud Computing. Taubenblatt, M.A.: Optical interconnects for large scale computing: how do we get beyond the cost & power wall? In: Optical Fiber Communication Conference, pp. Taubenblatt, M., Maniotis, P., Tantawi, A.: Optics enabled networks and architectures for data center cost and power efficiency. White Paper, CXL Consortium, November 2020 Sharma, D.D., Tavallaei, S.: Compute Express LinkTM 2.0. Verification Central, “An Introduction to the CXL Device Types”, 4 March 2020. ![]() Gurumurthi, S., Advanced Micro Devices, Inc., Branover, A.J., Advanced Micro Devices, Inc., Hornung, B., Micron Technology, Inc., Michna, V., Hewlett Packard Enterprise Company Mahesh Natu, Intel Corporation Chris Petersen, Facebook, Inc.: An overview of reliability, availability, and serviceability (RAS). In: Keynote at Storage Developers (SDC) Conference, 28 September 2021 Sharma, D.D.: Innovations in loadstore I/O causing profound changes in memory, storage, and compute landscape. Petersen, C., Chauhan, P.: Memory Challenges and CXL Solutions. Webinar, Compute Express Link™ 2.0 Specification: Memory Pooling, March 2021 IEEE (2021)ĬXL Use-cases Driving the Need For Low Latency Performance Retimers (2021). Sharma, D.D.: A low latency approach to delivering alternate protocols with coherency and memory semantics using PCI Express® 6.0 PHY at 64.0 GT/s. Compute Express Link Consortium, White Paper, March 2019. Sharma, D.D.: CXL: Coherency, memory, and I/O semantics on PCIe infrastructure. Shenoy, N.: Intel news: a milestone in Moving data, 11 March 2019. Lynch., M.: Bank of America Merrill Lynch Global Semiconductors Report, 2 October 2016. In: Proceedings of Storage Developers Conference, September 2020Ĭoughlin, T.: Digital storage and memory. Sharma, D.D.: Understanding compute express link: a cache-coherent interconnect. Tavallaei, S., Blankenship, R., Lender, K.: Exploring coherent memory and innovative use cases. ![]() Sharma, D.D., Ward, G., Bowman, K.: An introduction to compute express LinkTM (CXL) technology. So the paper explains about the CXL and it's role in computing. Processing the data in such new applications demands a wide combination of scalars, vectors, matrices, and spatial architectures so the coherency and memory semantics in a heterogeneous environment is becoming increasingly crucial. It brings many benefits to the data center, including improved performance, increased efficiency, high bandwidth, and low latency by offering protocols. CXL is meant to support diversified processing and storage systems along with applications in AI, ML, communication, and high performance computing to meet the expanding needs of high performance computational workloads. But eventually, the industry is firmly settling on the Compute Express Link (CXL) with respect to cache coherence interconnection of components. The idea of decomposition and the universal interfaces has existed. Machine learning applications produce millions of megabytes of data which forces server designs to take a quantum leap forward to address a problem that has persisted for decades. The proliferation of data has led the semiconductor industry to make breakthrough architectural shifts that will radically transform data center performance, efficiency, and cost.
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