Communications of the ACM
The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.
June 2025
From Computer Science Teacher - Thoughts and Information From Alfred Thompson
Teaching Computer Science in the Age of Artificial Intelligence
An interesting article was posted on Facebook recently. (https://archive.ph/Jwd7m) Carnegie Mellon is spending some time over the summer rethinking how, and probably what, is taught about computer science. It’s an important topic…
From insideHPC
HPC News Bytes 20250630: The GPU-ASICs War – Chips from Microsoft, Meta, Google, and Why Engineering Projects Get Delayed
A happy Fourth of July week to you! There’s been much movement lately by the Big Tech companies developing their own AI chips, a.k.a., ASICs, this includes Meta, Microsoft and Google, to name three. In this episode ....
The post…
From insideHPC
University of Buffalo Awarded $40M to Buy NVIDIA Gear for AI Supercomputing Center
June 30, 2025 — Empire AI, the New York State-based research consortium that is advancing artificial intelligence for the public good, will receive $40 million for its supercomputing center at the University of Buffalo. The funding…
From Schneier on Security
How Cybersecurity Fears Affect Confidence in Voting Systems
American democracy runs on trust, and that trust is cracking.
Nearly half of Americans, both Democrats and Republicans, question whether elections are conducted fairly. Some voters accept election results only when their side…From Computational Complexity
Two high school students have a new proof of the Pythagorean Theorem / Pythag theorem older than thought
(I wrote this post a while back so its no longer NEW. More important--- if there has been a follow-up to the story that is not in my post, let me know.)
We have something NEW and something OLD about the Pythagorean Theorem.…From CERIAS Blog
Ch-ch-ch-changes
Tomorrow, July 1, 2025, ushers in two significant changes.
For the first time in over 25 years, our fantastic administrative assistant, Lori Floyd, will not be present to greet us as she has retired. Lori joined the staff of…From Schneier on Security
Friday Squid Blogging: What to Do When You Find a Squid “Egg Mop”
Tips on what to do if you find a mop of squid eggs.
As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered.
From insideHPC
xFusion at ISC 2025: HPC-AI Computing Infrastructure Technologies for Power, Usability and Efficiency
A prominent exhibitor at ISC was xFusion, a company at the HPC-AI intersection whose computing infrastructure technologies and services embody the power of HPC combined with AI. A Singapore-based company with global reach, xFusion…
From insideHPC
Livermore Lab: Cancer Drug Candidate Developed Using HPC and AI Blocks Tumor Growth
A new cancer drug candidate developed by Lawrence Livermore National Lab, BridgeBio Oncology Therapeutics and the Frederick National Laboratory for Cancer Research shows the ability to block tumor growth without a common side…
From Daniel Lemire's Blog
From code reuse to the impact of generative AI
Back when I started programming, project teams were large. Organizations had dozens of programmers on sprawling projects. Reusing code was not trivial. Sharing code required real effort. Sometimes you had to hand over a diskContinue…
From Schneier on Security
The Age of Integrity
We need to talk about data integrity.
Narrowly, the term refers to ensuring that data isn’t tampered with, either in transit or in storage. Manipulating account balances in bank databases, removing entries from criminal records…From CS4FN (Computer Science For Fun)
An AI Oppenheimer Moment?
All computer scientists should watch the staggeringly good film, Oppenheimer, by Christopher Nolan. It charts the life of J. Robert Oppenheimer, “father of the atom bomb”, and the team he put together at Los Alamos, as they designed…
From ACM-W supporting, celebrating and advocating for Women in Computing
ACM-W on Tour: From Malaysia to London
Growing Stronger Together: Welcoming Monash Malaysia to the ACM-W Asia Pacific Family In May 2025, ACM-W Global Chair Rukiye Altin, ACM-W Regional Activity Chair Arati Dixit, and ACM-W Asia Pacific Chair Bimlesh Wadhwa had the…
From insideHPC
Palantir and The Nuclear Company Partner on Platform to Scale Nuclear Deployment
Palantir Technologies Inc. (NASDAQ: PLTR) saw its stock hit record highs today after announcing a product partnership with The Nuclear Company, a builder of nuclear power plants in the U.S.
The news comes as demand for clean
…
From insideHPC
Inauguration of PIAST-Q European Quantum Computing in Poland
The EuroHPC JU has inaugurated PIAST-Q in Poznań, Poland. PIAST-Q is a laser-based trapped-ion quantum computer, hosted and operated by PCSS and supplied by AQT, in Innsbruck, Austria. PIAST-Q will offer a performance of 20 physical…
From insideHPC
E4 Computer Engineering Reports 2024 Revenues of €56M
Scandiano, Italy, June 24, 2025 – E4 Computer Engineering, an Italian company in the field of ultra-high-tech hardware and software solutions for high-performance computing (HPC), artificial intelligence, quantum computing (QC)…
From Computational Complexity
The Distribution of Prime Numbers: A Geometrical Perspective
Alberto Fraile and Daniel Fernández guest post on random walks generated by the distribution of prime numbers.
In our recent papers, we explored the sequence of prime numbers by defining "random walks" governed by simple algorithms…From Schneier on Security
White House Bans WhatsApp
Reuters is reporting that the White House has banned WhatsApp on all employee devices:
The notice said the “Office of Cybersecurity has deemed WhatsApp a high risk to users due to the lack of transparency in how it protects user…From insideHPC
Dataiku Announces Universal AI Platform with HPE and NVIDIA Infrastructure
NEW YORK and LAS VEGAS – June 25, 2025 – Dataiku announced it has joined the HPE Unleash AI partner program, bringing together enterprise-ready AI orchestration and trusted infrastructure to accelerate the deployment and adoption…
From insideHPC
HPE Expands ProLiant Gen12 Server Portfolio Powered by AMD 5th Gen EPYC
LAS VEGAS – June 25, 2025 – HPE (NYSE: HPE) today announced an expansion to the HPE ProLiant Compute Gen12 server portfolio that includes two new servers powered by 5th Gen AMD EPYC processors built for memory-intensive workloads…
From Schneier on Security
What LLMs Know About Their Users
Simon Willison talks about ChatGPT’s new memory dossier feature. In his explanation, he illustrates how much the LLM—and the company—knows about its users. It’s a big quote, but I want you to read it all.
Here’s a prompt you…From ACM-W supporting, celebrating and advocating for Women in Computing
Celebrating Women Driving Innovation in Open Source
Celebrating Technology Leaders (Episode 17) In the 17th episode of the Celebrating Technology Leaders series, ACM-W brought together four remarkable women to discuss their journeys into open source, highlighting the personal…
From ACM-W supporting, celebrating and advocating for Women in Computing
Congratulations to ACM Fellow Dana Randall!
By Dr Adriana Wilde We are thrilled to celebrate Regents Professor Dana Randall, who has been recently named an ACM Fellow for her transformative contributions to computing science and technology. As Associate Dean for Access…
From ACM-W supporting, celebrating and advocating for Women in Computing
Do we need Pride Month?
A fireside chat with Professor Carron Shankland By Dr Adriana Wilde, ACM-W Communications co-chair We’re coming to the end of Pride month, and I’m chatting here with Carron Shankland. Professor Carron Shankland was one of the…
From insideHPC
Re-Engineering Ethernet for AI Fabric
Ethernet wasn’t built with AI in mind. While cost-effective and ubiquitous, its best-effort, packet-based nature creates challenges in AI clusters... But fabric-scheduled Ethernet transforms Ethernet into a predictable, lossless…
From insideHPC
HPE Unveils AI Factory Solutions with NVIDIA
At HPE’s big Discover event here in Las Vegas today, the company rolled out a series of announcements, including a nAI factory solution built with NVIDIA targeting the exploding AI-at-scale market. The announcements are an expansion…
From insideHPC
HPE Annunces GreenLake Intelligence Agentic AI Framework for Hybrid Operations
LAS VEGAS – June 24, 2025 – HPE (NYSE: HPE) today announced GreenLake Intelligence, an agentic AI framework for hybrid operations that includes agentic AIOps acrossmultiple infrastructure layers. HPE said the offering is integrated…
From insideHPC
BUZZ HPC Launches NVIDIA Hopper GPU Cluster
Toronto — June 24, 2025 – BUZZ High Performance Computing, a wholly owned subsidiary of HIVE Digital Technologies Ltd., today launched another NVIDIA Hopper GPU cluster in Quebec, one of three supercomputing clusters it operates…
From Universal Acceptance Steering Group
How Developers Can Future-Proof Their Code for a Global Internet
By Sarmad Hussain, Senior Director, IDN and UA Programs at ICANN Imagine ordering a pizza online, but the system only accepts "George" as a valid email mailbox name – not "Jörg," "Георгий," or "Γεώργιος." When this happens to…
From insideHPC
Lenovo Hybrid AI Advantage for Enterprise AI with Services, Solutions and Platforms
June 23, 2025 – Lenovo today expanded Lenovo Hybrid AI Advantage with new advisory and implementation services, industry solutions and hybrid AI platforms that deliver the modern infrastructure and full-stack capabilities essential…