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Tomorrow's Computer Architecture Trends: A Comprehensive Overview

Explore changing processor design constraints, plentiful transistors, power importance, and media-rich applications. Discover hot industry topics, research advancements, and UW expertise in computer architecture.

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Tomorrow's Computer Architecture Trends: A Comprehensive Overview

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  1. What you should know about computer architecture Patrick Crowley UW-CSE

  2. Know this much • Processor design constraints are changing • Transistors are plentiful and small. Long wires are slow. • Power can be as important as performance • Architectures should accommodate tomorrow’s “media” rich applications UW-CSE

  3. Presentation Structure • Broad visions in computer architecture • Hot topics in industry and research • UW People & Expertise UW-CSE

  4. Broad Visions • What do we do with 1 billion transistors? • wire delays make global resources expensive, architecture is key • How do we design for tomorrow’s applications? • mobility forces power constraints on architects • media rich applications are on the way UW-CSE

  5. IEEE Computer special theme in September 1997 Very wide, very aggressive superscalar: Yale Patt (UT Austin) Trace processors: Jim Smith, Guri Sohi (Wisconsin) Single-chip multiprocessor: Kunle Olukotun (Stanford) Raw machines, expose details of a simple replicated architecture directly to the compiler: Anant Agarwal (MIT) Simultaneous multithreading: Dean Tullsen (UCSD) Billion Transistor Processors UW-CSE

  6. Tomorrow’s Applications • Media applications include • video encode/decode • polygon and image-based graphics • audio processing - compression/recognition/synthesis of speech, music • Many devices will be/are power sensitive • laptops • handhelds, cellphones, wearables • countless other non-traditional computing devices UW-CSE

  7. Hot Topics in Industry • VLIW • IA64, Transmeta’s Crusoe are VLIW machines • lots of multimedia processors • SMT • Compaq’s Alpha EV-8 will be a 4 context SMT • Chip Multiprocessor • IBM’s Power4 will place 2 processors on 1 die UW-CSE

  8. Hot Topics in Research • Superspeculation (i.e., value prediction, data speculation) • Refinement of trace caches & processors • Multimedia processing UW-CSE

  9. UW Expertise • Jean-Loup Baer • Caches: improved replacement policies and dynamic cache line sizes • Peter Van Vleet • Wayne Wong • architectures for network interfaces • Patrick Crowley • Susan Eggers & Hank Levy • Commercial OS performance on SMT • Josh Redstone UW-CSE

  10. Know this much • Processor design constraints are changing • Transistors are plentiful and small. Long wires are slow. • Power can be as important as performance • Architectures should accommodate tomorrow’s “media” rich applications UW-CSE

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