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Everything about Xeon

Line of Intel server and workstation processors

Xeon is a brand of x86 microprocessors designed, manufactured, and marketed by Intel, targeted at the high-end workstation, server, and embedded markets. It was introduced on June 29, 1998. Xeon processors are based on the same architecture as regular desktop-grade CPUs, but have advanced features such as support for error correction code (ECC) memory, higher core counts, more PCI Express (PCIe) lanes, support for larger amounts of RAM and more memory channels, larger cache memory and extra provision for enterprise-grade reliability, availability and serviceability (RAS) features responsible for handling hardware exceptions through the Machine Check Architecture (MCA). They are often capable of safely continuing execution where a normal processor cannot due to these extra RAS features, depending on the type and severity of the machine-check exception (MCE). Some also support multi-socket systems with two, four, or eight sockets through use of the Ultra Path Interconnect (UPI) bus, which replaced the older QuickPath Interconnect (QPI) bus. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: XeonA 5-minute orientation
  2. Skim a recent paper: Intel Xeon 6 Product FamilyInfluential work since 2022
  3. Pick up a classic book: XeonThe most-reprinted book on the subject
  4. Read the landmark paper: Knights Landing: Second-Generation Intel Xeon Phi ProductCited 395 times
  5. Go sideways: Intel Core (microarchitecture)A closely related topic
  6. Go sideways: Wolfdale (microprocessor)A closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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