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Communications of the ACM

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

November 2023


From Schneier on Security

How .tk Became a TLD for Scammers

How .tk Became a TLD for Scammers

Sad story of Tokelau, and how its top-level domain “became the unwitting host to the dark underworld by providing a never-ending supply of domain names that could be weaponized against internet users. Scammers began using .tk…


From insideHPC

Supercomputer Fugaku Retains First Place in HPCG and Graph500 Rankings

Supercomputer Fugaku Retains First Place in HPCG and Graph500 Rankings

Tokyo, November 14, 2023 — The supercomputer Fugaku, jointly developed by the RIKEN Center for Computational Science and Fujitsu, has retained the top spot for eight consecutive terms in multiple major high-performance computer…


From insideHPC

A New Day for the TOP500: Aurora No. 2 at 585 PFlops, 4 New Top 10 Entrants, Frontier Still No. 1

A New Day for the TOP500: Aurora No. 2 at 585 PFlops, 4 New Top 10 Entrants, Frontier Still No. 1

Denver -- Attendees at the SC23 conference here in Denver have been greeted by a roiled TOP500 ranking of the world’s most powerful supercomputers, along with significant news about a would-be exascale HPC system coming in at…


From insideHPC

@HPCpodcast: Views and Insights on the New TOP500 List

@HPCpodcast: Views and Insights on the New TOP500 List

The big news on the Monday of each annual Supercomputing Conference is the release of the new TOP500 ranking of the world's most powerful supercomputers. At this years SC23 here in Denver, the big news is that the  top 10 of …


From insideHPC

AMD-based HPC Systems on TOP500 Grows 39%

AMD-based HPC Systems on TOP500 Grows 39%

SANTA CLARA, Calif., — Nov. 14, 2023 — Today, AMD said its microprocessors now power 140 supercomputers on the latest Top500 list, representing a 39 percent year-over-year increase. Additionally, AMD powers 80 percent of the …


From insideHPC

NVIDIA Announces HGX H200 Systems and Cloud Instances

NVIDIA Announces HGX H200 Systems and Cloud Instances

DENVER—SC23—Nov. 13, 2023—NVIDIA today announced the HGX H200 that is based on the Hopper architecture and features the H200 Tensor Core GPU with advanced memory to handle massive amounts of data for generative AI and high performance…


From insideHPC

HPC News Bytes 20231113: SC23 and TOP500 Kickoff, DAOS Storage, Sandia and DDN, TSMC and SMIC Financials

HPC News Bytes 20231113: SC23 and TOP500 Kickoff, DAOS Storage, Sandia and DDN, TSMC and SMIC Financials

As the SC23 conference heats up, we hurry ( 5:20) through the latest news from the world of HPC-AI, including: SC23 and TOP500 kickoff today; storage at scale, DAOS and the Aurora supercomputer; Sandia National Lab and DDN's …


From Schneier on Security

Ten Ways AI Will Change Democracy

Ten Ways AI Will Change Democracy

Artificial intelligence will change so many aspects of society, largely in ways that we cannot conceive of yet. Democracy, and the systems of governance that surround it, will be no exception. In this short essay, I want to move…


From insideHPC

Life is Fleeting, But Data is Forever – Meet your Digital Twin

Life is Fleeting, But Data is Forever – Meet your Digital Twin

[SPONSORED GUEST ARTICLE BY HPE AND NVIDIA] With the transformation of medicine from analog to digital, plus the rise of new data-generating devices for health tracking and genomic information, we can look forward to a new world…


From Computational Complexity

Forgetting your password is usually not a big deal. Unless....

When I forget my password I can usually reset it and get back to where I was.  Of course, before I get access I am nervous that its not going to work. And there may be times (its never happened to me) where one CANNOT get back…


From Daniel Lemire's Blog

Science and Technology links (November 12 2023)

Science and Technology links (November 12 2023)

Vitamin K2 supplements might reduce the risk of myocardial infarction (heart attacks) and of all-cause death (Hasific et al. 2022). You find vitamin K2 in some Gouda cheeses and in eggs. Most of the water on Earth is salinated…


From insideHPC

GigaIO and Dell Expand Partnership

GigaIO and Dell Expand Partnership

San Diego, Nov. 11, 2023 – GigaIO, a provider of workload-defined infrastructure for AI and accelerated computing, today announced that Dell customers can now order GigaIO solutions from their Dell sales team or local Dell reseller…


From Gödel's Lost Letter and P=NP

Kurt Gödel In The Movies

And a Limited TV Series — all in 2023 Kurt Gödel—or rather the actor Chris Urbaniak portraying him—appears in one brief scene in the movie Oppenheimer. He has no lines. He is named only by Albert Einstein—played by Tom Conti—regarding…


From insideHPC

Building a Diverse HPC Workforce at the ALCF

Building a Diverse HPC Workforce at the ALCF

Argonne's annual Introduce a Girl to Engineering DayThe ALCF is engaged in several activities and initiatives that aim to increase diversity in HPC and the computing sciences. Supercomputing centers have long been recognized for driving innovation and progress in scientific fields…


From Schneier on Security

Friday Squid Blogging: The History and Morality of US Squid Consumption

Friday Squid Blogging: The History and Morality of US Squid Consumption

Really interesting article.

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 Schneier on Security

The Privacy Disaster of Modern Smart Cars

The Privacy Disaster of Modern Smart Cars

Article based on a Mozilla report.


From insideHPC

CIQ Announces Rocky Linux Solutions for CentOS Migration on Google Cloud

CIQ Announces Rocky Linux Solutions for CentOS Migration on Google Cloud

RENO, Nev.—November 8, 2023— CIQ Inc. today announced a collaboration with Google Cloud to help customers accelerate CentOS migrations with new Rocky Linux solutions from CIQ built for Google Cloud. With the upcoming end-of-life…


From insideHPC

SC23 Prep: HPC Experts on Sessions to See and Trends to Watch Next Week in Denver

SC23 Prep: HPC Experts on Sessions to See and Trends to Watch Next Week in Denver

SC23 is around the corner, and there’s an aura surrounding this year’s annual conference. With the advent of ChaptGPT, large language models and generative AI, HPC -- in combination with AI -- has truly moved to the center of…


From insideHPC

Data Days Brings Department of Energy Labs Together for Discussions on Data Management and More

Data Days Brings Department of Energy Labs Together for Discussions on Data Management and More

Department of Energy and National Nuclear Security Administration data leaders discuss data management during a panel discussion.Data researchers, developers, data managers and program managers from the Department of Energy national laboratories visited Lawrence Livermore National Laboratory Oct. 24-26 to discuss the latest in data management, sharing …


From Geeking with Greg

Book excerpt: Table of Contents

Book excerpt: Table of Contents

(This is the Table of Contents from my book, "Algorithms and Misinformation: Why Wisdom of the Crowds Failed the Internet and How to Fix It")


Introduction: How good algorithms became a fountain of scams, shills, and disinformation…


From Computational Complexity

Othello. Solved.

The perfect game
Back in the 1980s, a high school friend and I created Excalibur, a computer othello program that I've posted about before. Even on an OG IBM PC we could play a perfect endgame from 14 moves out. There's been…


From Schneier on Security

Online Retail Hack

Online Retail Hack

Selling miniature replicas to unsuspecting shoppers:

Online marketplaces sell tiny pink cowboy hats. They also sell miniature pencil sharpeners, palm-size kitchen utensils, scaled-down books and camping chairs so small they …


From insideHPC

MLPerf Training and HPC Benchmark Show 49X Performance Gains in 5 Years

MLPerf Training and HPC Benchmark Show 49X Performance Gains in 5 Years

MLCommons said the results highlight performance gains of up to 2.8X compared to 5 months ago and 49X over the first results five years ago, "reflecting the tremendous rate of innovation in systems for machine learning," the …


From insideHPC

DDN Launches Infinia, Software-Defined Storage for Enterprise AI and Cloud

DDN Launches Infinia, Software-Defined Storage for Enterprise AI and Cloud

Aimed at cloud platform and large HPC, hyperscale and data center environments,  Infinia combines multi-tenancy at scale, containerization and high performance. "The novel architecture accelerates and simplifies workflows for…


From insideHPC

Ayar Labs to Show 4 Tbps Optically-enabled Intel FPGA at SC23

Ayar Labs to Show 4 Tbps Optically-enabled Intel FPGA at SC23

SANTA CLARA, Calif. – Nov. 8, 2023 – Ayar Labs, a company developing silicon photonics for chip-to-chip connectivity, will showcase its in-package optical I/O solution integrated with Intel’s Agilex Field-Programmable Gate Array…


From Schneier on Security

Decoupling for Security

Decoupling for Security

This is an excerpt from a longer paper. You can read the whole thing (complete with sidebars and illustrations) here.

Our message is simple: it is possible to get the best of both worlds. We can and should get the benefits of…


From insideHPC

@HPCpodcast: Industry Analyst Karl Freund Compares and Contrasts the Chips Driving the AI Revolution

@HPCpodcast: Industry Analyst Karl Freund Compares and Contrasts the Chips Driving the AI Revolution

Few people can talk in such an engaging way about the chips driving the AI revolution as Karl Freund, founder and principal analyst at Cambrian-AI Research. He joins us to discuss the, well, "Cambrian explosion" we're witnessing…


From insideHPC

Quantum Machines and QuEra Computing Win Binational Industrial Research and Development Foundation Award

Quantum Machines and QuEra Computing Win Binational Industrial Research and Development Foundation Award

Tel Aviv and Boston, November 7, 2023 – Quantum Machines,  the provider of quantum control solutions that accelerate the development of practical quantum computers, and neutral-atom quantum computing company QuEra Computing today…


From Daniel Lemire's Blog

Generating arrays at compile-time in C++ with lambdas

Generating arrays at compile-time in C++ with lambdas

Suppose that you want to check whether a character in C++ belongs to a fixed set, such as ‘\0’, ‘\x09’, ‘\x0a’,’\x0d’, ‘ ‘, ‘#’, ‘/’, ‘:’, ‘<‘, ‘>’, ‘?’, ‘@’, ‘[‘, ‘\\’, ‘]’, ‘^’, ‘|’. A simple way is to generate a 256-byte array…


From insideHPC

ThinkParQ and System Fabric Works in Joint Venture

ThinkParQ and System Fabric Works in Joint Venture

Kaiserslautern, Germany, November 7, 2023,  ThinkParQ the company behind the parallel file system BeeGFS, announced today the launch ThinkinQ a new joint venture company between ThinkParQ and System Fabric Works. ThinkinQ’s primary…