The IEEE International Symposium on High-Performance Computer Architecture (HPCA) is an annual academic conference on computer architecture. It was first held in 1995, and the 2026 edition was the thirty-second in the series. The conference is sponsored by the IEEE Computer Society through its Technical Committee on Computer Architecture (TCCA), which describes HPCA as "a premier venue for scientists and engineers to present their latest research findings in the rapidly-changing field of high-performance computer architecture".
Together with ASPLOS, ISCA and the International Symposium on Microarchitecture (MICRO), HPCA is identified as one of the four "core computer architecture venues" in the call for the IEEE Micro Top Picks issue published by TCCA and by ACM SIGARCH. In CSRankings, a ranking that counts publications in selected venues, HPCA is classified as a next-tier architecture venue that is excluded from the default tally and can be enabled by the user.
History The first symposium was held on 22–25 January 1995 at the Sheraton Inn in Raleigh, North Carolina. Yale Patt of the University of Michigan served as general chair and Laxmi N. Bhuyan of Texas A&M University as program chair; the meeting was sponsored by the IEEE Computer Society Technical Committee on Computer Architecture. Proceedings have appeared every year since.
Since the 2010s the symposium has been co-located with three related conferences, PPoPP, CGO and CC, which are held in the same week and city. The 2021 and 2022 editions, planned for Seoul, were held online.
Scope The call for papers covers processor, memory and storage architecture; interconnection networks; domain-specific architectures and accelerators; reconfigurable systems; near-memory and in-memory computing; cloud and datacenter systems; embedded, mobile and edge architectures; the effect of circuits and process technology on architecture, including three-dimensional integration, chiplets and wafer-scale designs; modelling and simulation methodology; architectures built on quantum, superconducting and other emerging technologies; and reliability, security, power, energy and sustainability as they relate to computer architecture.
Review process Submissions are reviewed double-blind, and the call for papers states that the committee sets no target acceptance rate. The schedule includes a separate period in which authors respond to the reviews, and papers previously rejected elsewhere must be accompanied by a letter describing how they were revised.
Authors of accepted papers may submit the software and data underlying their work for optional artifact evaluation, which was first carried out in 2022; successful artifacts receive IEEE reproducibility badges, and participation does not affect the acceptance decision.
Figures reported at the conference business meetings include 260 submissions and 54 accepted papers in 2018, an acceptance rate of 20.7 per cent, and 273 submissions with 80 papers accepted to the main track in 2022.
Awards The HPCA Test of Time Award was first presented in 2018 and recognises the most influential paper from earlier editions of the symposium. Eligible papers are those published between eighteen and twenty-two years before the award year; a paper with at least one hundred citations in Google Scholar is nominated automatically, and authors may not nominate their own work. The winner is chosen by a committee of five members serving staggered three-year terms. Ten papers have received the award, two of them in 2021.
A Best Paper Award is selected by the program committee of each edition. TCCA also maintains an HPCA Hall of Fame listing authors with eight or more papers at the symposium; the threshold was raised from six to eight in 2018 to match the corresponding lists for ISCA and MICRO.
Conferences Edition Year Location HPCA-33 2027 Salt Lake City, United States HPCA-32 2026 Sydney, Australia HPCA-31 2025 Las Vegas, United States HPCA-30 2024 Edinburgh, United Kingdom HPCA-29 2023 Montreal, Canada HPCA-28 2022 Seoul, South Korea (online) HPCA-27 2021 Seoul, South Korea (online) HPCA-26 2020 San Diego, United States HPCA-25 2019 Washington, D.C., United States HPCA-24 2018 Vienna, Austria HPCA-23 2017 Austin, United States HPCA-22 2016 Barcelona, Spain HPCA-21 2015 Burlingame, United States HPCA-20 2014 Orlando, United States HPCA-19 2013 Shenzhen, China HPCA-18 2012 New Orleans, United States HPCA-17 2011 San Antonio, United States HPCA-16 2010 Bangalore, India HPCA-15 2009 Raleigh, United States HPCA-14 2008 Salt Lake City, United States HPCA-13 2007 Phoenix, United States HPCA-12 2006 Austin, United States HPCA-11 2005 San Francisco, United States HPCA-10 2004 Madrid, Spain HPCA-9 2003 Anaheim, United States HPCA-8 2002 Boston, United States HPCA-7 2001 Nuevo León, Mexico HPCA-6 2000 Toulouse, France HPCA-5 1999 Orlando, United States HPCA-4 1998 Las Vegas, United States HPCA-3 1997 San Antonio, United States HPCA-2 1996 San Jose, United States HPCA-1 1995 Raleigh, United States
Editions up to HPCA-25 are numbered in the list maintained by TCCA; locations and dates follow the proceedings records.
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