Latency Considerations For 1.6T Ethernet Designs


Since its 1980s debut with 10Mbps shared LANs over coaxial cables, Ethernet has seen consistent advancements, now with the potential to support speeds up to 1.6Tbps. This progression has allowed Ethernet to serve a wider range of applications, such as live streaming, Radio Access Networks and industrial control, emphasizing the importance of reliable packet transfer and quality of service. With... » read more

How Sub-THz Will Impact the Future Of 6G


By Alejandro Escobar Calderon and Gerardo Orozco The world is more connected than ever before and, while this notion isn’t new, many of us fail to fully grasp at times the magnitude of connection growth speed. As of 2022, the world had around 13.2B IoT connections (Ericsson Mobile) with a YoY growth of 13%. Additionally, mobile network data traffic has doubled every two years since 2019. T... » read more

100G Ethernet At The Edge


The amount of data is growing, and so is the need to process it closer to the source. The edge is a middle ground between the cloud and the end point, close enough to where data is generated to reduce the time it takes to process that data, yet still powerful enough to analyze that data quickly and send it wherever it is needed. But to make this all work requires faster conduits for that data i... » read more

CXL Memory: Detailed Characterization Analysis Using Micro-Benchmarks And Real Applications (UIUC, Intel Labs)


A new technical paper titled "Demystifying CXL Memory with Genuine CXL-Ready Systems and Devices" was published by researchers at University of Illinois Urbana-Champaign (UIUC) and Intel Labs. Abstract: "The high demand for memory capacity in modern datacenters has led to multiple lines of innovation in memory expansion and disaggregation. One such effort is Compute eXpress Link (CXL)-based... » read more

The March Toward Chiplets


The days of monolithic chips developed at the most advanced process nodes are rapidly dwindling. Nearly everyone working at the leading edge of design is looking toward some type of advanced packaging using discrete heterogeneous components. The challenge now is how to shift the whole chip industry into this disaggregated model. It's going to take time, effort, as well as a substantial reali... » read more

Using Silicon Photonics To Reduce Latency On Edge Devices


A new technical paper titled "Delocalized photonic deep learning on the internet’s edge" was published by researchers at MIT and Nokia Corporation. “Every time you want to run a neural network, you have to run the program, and how fast you can run the program depends on how fast you can pipe the program in from memory. Our pipe is massive — it corresponds to sending a full feature-leng... » read more

Redesigning Core and Cache Hierarchy For A General-Purpose Monolithic 3D System


A technical paper titled "RevaMp3D: Architecting the Processor Core and Cache Hierarchy for Systems with Monolithically-Integrated Logic and Memory" was published by researchers at ETH Zürich, KMUTNB, NTUA, and University of Toronto. Abstract: "Recent nano-technological advances enable the Monolithic 3D (M3D) integration of multiple memory and logic layers in a single chip with fine-graine... » read more

Accelerating Off-Chip Load Requests By Removing The On-Chip Cache Access Latency From Their Critical Path


A new technical paper titled "Hermes: Accelerating Long-Latency Load Requests via Perceptron-Based Off-Chip Load Prediction" was published by researchers at ETH Zurich, Intel Processor Architecture Research Lab, and LIRMM, Univ. Montpellier, CNRS.  The work received a best paper award at MICRO 2022. Abstract "Long-latency load requests continue to limit the performance of high-performance ... » read more

Decreasing Refresh Latency of Off-the-Shelf DRAM Chips


A new technical paper titled "HiRA: Hidden Row Activation for Reducing Refresh Latency of Off-the-Shelf DRAM Chips" was published by researchers at ETH Zürich, TOBB University of Economics and Technology and Galicia Supercomputing Center (CESGA). Abstract "DRAM is the building block of modern main memory systems. DRAM cells must be periodically refreshed to prevent data loss. Refresh oper... » read more

Co-Packaged Optics In The Data Center


Just because faster Ethernet is added to the data center doesn’t mean existing hardware can utilize it efficiently. Scott Durrant, strategic marketing manager at Synopsys, talks with Semiconductor Engineering about the rapid rollout of faster Ethernet rates, problems in moving data to the front module of the switch and how much energy is required, and what optical technology can bring to the ... » read more

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