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The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

February 2024


From The Noisy Channel

Precision, Recall, and Desirability

Precision, Recall, and Desirability

Recent developments in AI have created opportunities across the search stack. But before building solutions, it is important to clearly identify the problems they can address. Broadly speaking, search applications focus on three…


From Computational Complexity

Focusing on the Outcomes


An academic field often organizes itself pulling ideas from its own field. For example, students on the economics faculty job search can signal at most two schools, without giving any other rules on how the signals should be

In…


From insideHPC

NVIDIA Reveals Eos Supercomputer: 4,600 H100 GPUs for 18 AI Exaflops

NVIDIA Reveals Eos Supercomputer: 4,600 H100 GPUs for 18 AI Exaflops

NVIDIA Thursday released a video that offers the first public look at Eos (pictured here), a monster 18.4 exaflops FP8 AI supercomputer powered by 576 DGX H100 systems... NVIDIA said Eos would be ranked no. 9 on the TOP500 list…


From Schneier on Security

On the Insecurity of Software Bloat

On the Insecurity of Software Bloat

Good essay on software bloat and the insecurities it causes.

The world ships too much code, most of it by third parties, sometimes unintended, most of it uninspected. Because of this, there is a huge attack surface full of mediocre…


From The Computing Community Consortium Blog

Call for Participation: Envisioning Computer Science Futures and Frontiers

Call for Participation: Envisioning Computer Science Futures and Frontiers

The Computing Community Consortium’s (CCC) Grand Challenges task force is engaging in a new visioning activity to identify the next grand challenges that will shape the future of our field. We’re seeking visionary thinkers and…


From insideHPC

EuroHPC JU Issues Procurement Call for LUMI-Quantum

EuroHPC JU Issues Procurement Call for LUMI-Quantum

The European High Performance Computing Joint Undertaking (EuroHPC JU) has launched a call for tender for the installation of LUMI-Q, a new EuroHPC quantum computer to be located in Czechia and integrated into the EuroHPC supercomputer…


From Schneier on Security

Upcoming Speaking Engagements

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak:

  • I’m speaking at the Munich Security Conference (MSC) 2024 in Munich, Germany, on Friday, February 16, 2024.
  • I’m giving a keynote at a symposium on “AI and Trust…


    From insideHPC

    IQM Quantum Announces Co-CEO  

    IQM Quantum Announces Co-CEO  

    Espoo, Finland, 14th February 2024 – IQM Quantum Computers announced it is implementing a dual leadership structure, appointing two Co-CEOs.    Former sole CEO and Co-founder Dr. Jan Goetz will lead external relations and fundraising…


    From insideHPC

    Quantum: PASQAL Announces New Chairman, Deputy CEO

    Quantum: PASQAL Announces New Chairman, Deputy CEO

    PARIS – February 13, 2024 — PASQAL, a company focused on neutral atoms quantum computing, today announced the appointment of Wasiq Bokhari as chairman of its board of directors, the promotion of Loïc Henriet to Deputy CEO and…


    From BLOG@CACM

    Rare Circular Slide Rules

    Rare Circular Slide Rules

    Slide rules: the longer the scale, the greater the accuracy of the instrument.


    From Schneier on Security

    Improving the Cryptanalysis of Lattice-Based Public-Key Algorithms

    Improving the Cryptanalysis of Lattice-Based Public-Key Algorithms

    The winner of the Best Paper Award at Crypto this year was a significant improvement to lattice-based cryptanalysis.

    This is important, because a bunch of NIST’s post-quantum options base their security on lattice problems.

    I…


    From insideHPC

    VAST Data and Run:ai Announce AI Solution with NVIDIA Accelerated Computing

    VAST Data and Run:ai Announce AI Solution with NVIDIA Accelerated Computing

    NEW YORK – February 13, 2024 – VAST Data, the AI data platform company, today announced a partnership with Run:ai, a company focused on compute orchestration for AI workloads. This collaboration offers a full-stack AI solution…


    From insideHPC

    D-Wave Announces Availability of 1,200+ Qubit Advantage2 Prototype

    D-Wave Announces Availability of 1,200+ Qubit Advantage2 Prototype

    PALO ALTO, Calif., BURNABY, B.C., — February 12, 2024 — Quantum computing company D-Wave Quantum Inc. (NYSE: QBTS) has announced that the 1,200+ qubit Advantage2 prototype is now available via the company’s Leap real-time quantum…


    From insideHPC

    DOE $36M Funding Opportunity: AI for Science

    DOE $36M Funding Opportunity: AI for Science

    Feb. 13, 2024: The U.S. Department of Energy’s Office of Science, Advanced Scientific Computing Research (ASCR) program, is issuing a $36 million funding opportunity announcement for basic computer science and applied mathematics…


    From The Computing Community Consortium Blog

    Watch CCC Sponsored Sessions at AAAS – February 15th – 17th

    Watch CCC Sponsored Sessions at AAAS – February 15th – 17th

        The 2024 AAAS Meeting is coming up later this week, beginning on Thursday, February 15th and ending on Saturday, February 17th in Denver, Colorado. This year, CCC is sponsoring three scientific sessions on various topics…


    From Schneier on Security

    Molly White Reviews Blockchain Book

    Molly White Reviews Blockchain Book

    Molly White—of “Web3 is Going Just Great” fame—reviews Chris Dixon’s blockchain solutions book: Read Write Own:

    In fact, throughout the entire book, Dixon fails to identify a single blockchain project that has successfully provided…


    From CS4FN (Computer Science For Fun)

    A visit to the Turing Machine: a short story

    A visit to the Turing Machine: a short story

    by Greg Michaelson Greg Michaelson is an Emeritus professor of computer science at Heriot-Watt University in Edinburgh. He is also a novelist and a short story writer. From the cs4fn archive. “Come on!” called Alice, taking the…


    From insideHPC

    HPC User Forum Announces Agenda for April 9-10 Event in Reston, Virginia

    HPC User Forum Announces Agenda for April 9-10 Event in Reston, Virginia

    ST PAUL, Minn., February 12, 2024— The HPC User Forum, established in 1999 to promote the health of the global HPC industry and address issues of common concern to user, has published an updated agenda spotlighting its list of…


    From Schneier on Security

    On Passkey Usability

    On Passkey Usability

    Matt Burgess tries to only use passkeys. The results are mixed.


    From insideHPC

    HPC News Bytes 20240212: Honda Taps Cadence CFD Supercomputer, Chip Industry Gyrations, Yelick in ISC Spotlight

    HPC News Bytes 20240212: Honda Taps Cadence CFD Supercomputer, Chip Industry Gyrations, Yelick in ISC Spotlight

    Good day-after-Super-Bowl morning to you! It was an interesting week in HPC-AI last week, here’s a quick (5:47) run through some of the latest goings on: Honda taps Cadence supercomputer for air taxi R&D, chip industry gyrations…


    From Computational Complexity

    Are there any REAL applications of Graph Isomorphism?

    Lance's post on Babai's result on Graph Isomorphism (henceforth GI) inspired some random thoughts on GI. (Lance's post is here.) 


    1) Here is a conversation with someone who I will call DAVE. This conversation took place in the…


    From Putting People First

    Applying AI in UX research

    Applying AI in UX research

    Practitioners praise some efficiency gains in process tasks, but are skeptical about the real value in analysis and insight gathering, despite the many marketing claims.


    From Gödel's Lost Letter and P=NP

    Stop Cheating—Again

    More than just stopping carelessness Sholto David is featured in this past Tuesday’s New York Times Science section for his work on cheating in papers on medical research. The article is titled “Catching Too Many Errors by Sloppy…


    From Schneier on Security

    Friday Squid Blogging: A Penguin Named “Squid”

    Friday Squid Blogging: A Penguin Named “Squid”

    Amusing story about a penguin named “Squid.”

    As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered.

    Read my blog posting guidelines here.


    From insideHPC

    Trillions for Chips: A Roiled Semiconductor Industry Strains to Meet AI Demand

    Trillions for Chips: A Roiled Semiconductor Industry Strains to Meet AI Demand

    We’re seeing the chip industry’s version of the scientific aphorism: “nature hates a vacuum.” The vacuum is the short supply of – and vast demand for – AI chips, and it’s roiling the semiconductor industry. Chip foundry companies…


    From Daniel Lemire's Blog

    JSON Parsing: Intel Sapphire Rapids versus AMD Zen 4

    JSON Parsing: Intel Sapphire Rapids versus AMD Zen 4

    Intel has release a new generation of server processors (Sapphire Rapids) while the latest AMD technology (Zen 4) is now broadly available. There are extensive comparisons available. Of particular interest is the open benchmark…


    From BLOG@CACM

    Niklaus Wirth and Beyond: Safeguarding the Intellectual Heritage of Computing

    Niklaus Wirth and Beyond: Safeguarding the Intellectual Heritage of Computing

    On preserving the memory, and work documentation, of the founders of computer science.

     


    From Schneier on Security

    No, Toothbrushes Were Not Used in a Massive DDoS Attack

    No, Toothbrushes Were Not Used in a Massive DDoS Attack

    The widely reported story last week that 1.5 million smart toothbrushes were hacked and used in a DDoS attack is false.

    Near as I can tell, a German reporter talking to someone at Fortinet got it wrong, and then everyone else…


    From insideHPC

    Dell: Omnia Copes with the Complexity of Configuring HPC-AI Environments

    Dell: Omnia Copes with the Complexity of Configuring HPC-AI Environments

    [SPONSORED GUEST ARTICLE]  Computer scientist Alan Perlis said fools ignore complexity while pragmatists suffer it. But when it comes to the complexity of configuring HPC, AI and data analytics environments, Perlis might say …


    From CS4FN (Computer Science For Fun)

    Lego Computer Science: Turing Machines Part 3: the program

    Lego Computer Science: Turing Machines Part 3: the program

    by Paul Curzon, Queen Mary University of London We have so far built the hardware of a Lego Turing Machine. Next we need the crucial part: software. It needs a program to tell it what to do. Our Turing Machine so far has an Infinite…