by Xinyang (Kevin) Song and Sihang Liu and Gennady Pekhimenko on Sep 20, 2022 | Tags: Memory, non-volatile, Persistent, Research
The Cancellation of the Intel Optane Product Line Recently, Intel announced the cancellation of all Optane products, including both Optane SSDs and Optane Persistent Memory. The news came all of a sudden but was not totally unexpected, as Micron sold the 3D XPoint fab...
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by Yungang Bao on Sep 15, 2022 | Tags: Computer Architecture, david patterson, Interview, john hennessy, turing award
Prof. John Hennessy and Prof. David Patterson received the 2017 ACM A.M. Turing Award for “pioneering a systematic, quantitative approach to the design and evaluation of computer architectures with enduring impact on the microprocessor industry”. I used to read many...
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by Yuhao Zhu on Sep 13, 2022 | Tags: Systems, Vision, Wetware
René Descartes, inspired by anatomical observations of nerve fibers, suggested in his monumental work Principles of Philosophy that (in modern terms) visual stimuli of the external world are captured and transmitted as fluids traveling through nerve fibers, leading to...
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by Mingyu Gao on Aug 29, 2022 | Tags: graduate school, Machine Learning, phd, Research
Modern research in computer architecture has been developed far beyond the conventional textbook topics of processor microarchitectures and memory hierarchies, now expanding to a much more diverse range of novel areas. Computer architects can explore many promising...
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by Irene Zhang on Aug 24, 2022 | Tags: datacenter, microkernel, Networking, Operating Systems, os
The research community has long predicted the death of Moore’s law and attendant growth in datacenter hardware speeds. In a few years, datacenter networks will grow an order of magnitude from 40Gb to 400Gb. Systems researchers, including myself, have been preparing...
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by Caroline Trippel on Aug 15, 2022 | Tags: Datacenters, Errors, Reliability, Testing
Hyperscalers are reporting frequent silent data corruptions (SDCs)—a.k.a. silent errors or corrupt execution errors (CEEs)—in their cloud fleets caused by silicon manufacturing defects. Notably, SDCs at-scale exhibit error occurrence rates on the order of one fault...
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by Dana Vantrease and Lisa Hsu on Aug 12, 2022 | Tags: Education, Industry
One of the unexpected side effects of the COVID-19 pandemic was the opportunity to virtually co-teach Computer Architecture at Princeton University during the spring of 2021. Princeton was in need of an instructor, and given that everything was over Zoom anyway, they...
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by Emery Berger on Aug 10, 2022 | Tags: Academia, Education, Machine Learning
CS educators: AI-based developer tools are gunning for your assignments. Resistance is futile GitHub’s AI-based Copilot tool went public this summer. It’s an amazing tool for software developers. But students armed with it will be bringing Uzis to a knife fight. Using...
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by Richard L. Sites on Aug 8, 2022 | Tags: Cache, Prefetching
Cache prefetching is a well-studied topic, but we continue to strive for improvement. Two small ideas are presented here, one for software prefetching and one for hardware. Bigger software prefetches When I worked at Google, a survey of fleet execution time revealed...
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by Koji Inoue on Aug 4, 2022 | Tags: Emerging Technology, Nanophotonics, Quantum Computing, Superconductor Computing
Computing technology entering a new phase Computers have evolved over half a century into an essential and indispensable backbone of social information infrastructure. And now, it faces a significant turning point. Although Moore’s Law, which doubles the number...
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