Bill Dally

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Bill Dally
Stanford
  • Nvidia
    • ThesisA VLSI Architecture for Concurrent Data Structures (1986)
    Doctoral advisorCharles Seitz[1]
    Doctoral students

    William James Dally (born August 17, 1960) is an American computer scientist and educator.

    MIT. Since 2021, he has been a member of the President's Council of Advisors on Science and Technology (PCAST).[3][4]

    Microelectronics

    He developed a number of techniques used in modern interconnection networks including routing-based

    wormhole routing, link-level retry, virtual channels, global adaptive routing, and high-radix routers.[jargon] He has developed efficient mechanisms for communication, synchronization, and naming in parallel computers including message-driven computing and fast capability-based addressing. He has developed a number of stream processors starting in 1995 including Imagine, for graphics, signal, and image processing, and Merrimac, for scientific computing.[citation needed
    ]

    He has published over 200 papers as well as the textbooks Digital Systems Engineering with John Poulton, and Principles and Practices of Interconnection Networks with Brian Towles. He was inventor or co-inventor on over 70 granted patents.

    An author quoted him saying: "Locality is efficiency, Efficiency is power, Power is performance, Performance is king".[5]

    Career

    Bell Labs

    See also:
    Ma Bell

    Dally has received a Bachelor's degree in electrical engineering from Virginia Tech.[6] While working for Bell Telephone Laboratories he contributed to the design of the Bellmac 32, an early 32-bit microprocessor,[citation needed] and earned an Master's degree in electrical engineering from Stanford University in 1981. He then went to the California Institute of Technology (Caltech) from 1983 to 1986,[6] graduating with a Ph.D. degree in computer science in 1986. At Caltech he designed the MOSSIM simulation engine and an integrated circuit for routing. While at Caltech, he was part of the founding group of Stac Electronics in 1983.[7]

    MIT

    From 1986 to 1997 he taught at

    MIT where he and his group built the J–Machine and the M–Machine,[8] parallel machines emphasizing low overhead synchronization and communication. During his MIT times he claims to have collaborated on developing design of Cray T3D and Cray T3E supercomputers. He became the Willard R. and Inez Kerr Bell Professor in the Stanford University School of Engineering and chairman of the computer science department at Stanford. He served as chairman for twelve years before moving on to Nvidia.[9]

    Dally's corporate involvements include various collaborations at

    Stream Processors, Inc until it folded.[7]

    Nvidia and IEEE fellow

    Dally was elected a Fellow of the

    Seymour Cray Computer Science and Engineering Award in 2004, and the IEEE Computer Society Charles Babbage Award in 2006. In 2007 he was elected to the American Academy of Arts and Sciences
    .

    In January 2009 he was appointed chief scientist of

    SVP of Nvidia Research.[13]

    Among many contributions to technology at Nvidia, Dally also kick-started optical interconnects for GPU[14] and computing systems[15] using micro ring modulators utilizing multiple wavelengths.[16][17] These systems can lead to the adoption of very high bandwidth, low energy per bit optical interconnects[18] in GPUs[19] and also lead to circuit switched GPU datacenters with significant boost to AI computing efficiency.

    In 2009, he was elected to the National Academy of Engineering for contributions to the design of high-performance interconnect networks and parallel computer architectures.

    He received the 2010 ACM/IEEE Eckert–Mauchly Award for "outstanding contributions to the architecture of interconnection networks and parallel computers."[20]

    Personal life

    Dally is married and has two children. He had a flight mishap in 1992 when he was flying his

    Cessna 210 from Hanscom Field to Farmingdale in bad weather conditions experienced an oil leak. He was forced to make a crash landing in the Long Island Sound and was retrieved by a rescue sailboat.[21]

    Works

    References

    1. ^ a b Bill Dally at the Mathematics Genealogy Project
    2. ^ Date information sourced from Library of Congress Authorities data, via corresponding WorldCat Identities linked authority file (LAF).
    3. The White House
      . 2021-09-22.
    4. PCAST
      . The White House. Retrieved 2023-06-11.
    5. ^ Johnson, Matt (2011). An Analysis of Linux Scalability to Many Cores. p. 4. Locality is efficiency, Efficiency is power, Power is performance, Performance is king
    6. ^ a b "William Dally". Research. Nvidia. Retrieved 2023-06-11.
    7. ^ a b William Dally (November 4, 2011). "From Science to Technology, From Research to Product" (PDF). Slides from Norway Science Week. Stanford Engineering. Retrieved March 7, 2017.
    8. ^ "Practical AI #15: Artificial intelligence at NVIDIA with Chief Scientist Bill Dally". Changelog. 8 October 2018. Retrieved 2019-04-25. I was on the faculty at MIT for 11 years, where I built a research group that built a number of pioneering supercomputers,
    9. ^ "Bill Dally". Stanford HAI. Retrieved 2023-06-11.
    10. ^ "Practical AI #15: Artificial intelligence at NVIDIA with Chief Scientist Bill Dally". Changelog. 8 October 2018. Retrieved 2019-04-25.
    11. ^ "Nvidia Names Stanford's Bill Dally Chief Scientist, VP Of Research". Press release. January 28, 2009. Archived from the original on February 3, 2009. Retrieved March 7, 2017.
    12. ^ Ashlee Vance (April 8, 2009). "Hello, Dally: Nvidia Scientist Breaks Silence, Criticizes Intel". The New York Times. Retrieved March 10, 2017.
    13. ^ MarketScreener. "William Dally - Biography". www.marketscreener.com. Retrieved 2023-06-11.
    14. S2CID 263180552
      .
    15. ^ HOTI 2023 - Day 1: Session 2 - Keynote by Bill Dally (NVIDIA): Accelerator Clusters, retrieved 2024-03-09
    16. ^ "Accelerator Clusters: the New Supercomputer | HotI30 (2023)". 2023-07-12. Retrieved 2024-03-09.
    17. PMID 20721078
      .
    18. S2CID 6589733
      .
    19. PMID 19688003
      . Retrieved 2024-03-09.
    20. ^ "ACM Award Citation". Association for Computing Machinery. Archived from the original on 2 April 2012. Retrieved 25 October 2010.
    21. ^ Ball, Charles H. (September 30, 1992). "Dally Has Harrowing Flight Mishap". MIT News.

    External links

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