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

April 2024


From Daniel Lemire's Blog

How quickly can you break a long string into lines?

How quickly can you break a long string into lines?

Suppose that you receive a long string and you need to break it down into lines. Consider the simplified problems where you need to break the string into segments of (say) 72 characters. It is a relevant problem if your string…


From Schneier on Security

Friday Squid Blogging: Squid Trackers

Friday Squid Blogging: Squid Trackers

A new bioadhesive makes it easier to attach trackers to squid.

Note: the article does not discuss squid privacy rights.

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


From insideHPC

SK hynix Partners with TSMC on HBM

SK hynix Partners with TSMC  on HBM

Seoul, April 19, 2024 – Memory company SK hynix Inc. announced today a memorandum of understanding with TSMC to produce next-generation HBM and enhance logic and HBM integration through advanced packaging technology. The company…


From insideHPC

CONTACT Software Presents AAS Applications at Hannover Messe 2024

CONTACT Software Presents AAS Applications at Hannover Messe 2024

April 19, 2024 — CONTACT Software is pushing the use of the Asset Administration Shell with its Elements platform. In Hannover, the company and its partners will showcase several new AAS applications for the digital twin. As …


From insideHPC

Lenovo and NVIDIA Partner on New Hybrid AI Solutions

Lenovo and NVIDIA Partner on New Hybrid AI Solutions

[SPONSORED GUEST ARTICLE] Lenovo unveiled the expansion of its ThinkSystem AI portfolio designed for the most demanding AI, data analytics and HPC workloads, featuring two powerful 8-way NVIDIA GPU systems combining massive …


From insideHPC

Panasas in Manufacturing and Fulfillment Partnership with Avnet 

Panasas in Manufacturing and Fulfillment Partnership with Avnet 

SAN JOSE, April 18, 2024 — Data solutions company Panasas and Avnet (Nasdaq: AVT) today announced an agreement enabling Panasas to use Avnet Integrated, the systems integration arm of Avnet, as its primary manufacturing and fulfillment…


From insideHPC

Quantum: D-Wave Introduces Anneal Feature

Quantum: D-Wave Introduces Anneal Feature

PALO ALTO, Calif – April 18, 2024 — Quantum computing company D-Wave Quantum Inc. (NYSE: QBTS) today launched the fast-anneal feature, available on all of D-Wave’s quantum processing units (QPUs) in the Leap real-time quantum…


From insideHPC

DOE Awards $16M for Traineeships in Accelerator Science & Engineering

DOE Awards $16M for Traineeships in Accelerator Science & Engineering

April 18, 2024 — Today, the U.S. Department of Energy (DOE) announced $16 million in funding for four projects providing classroom training and research opportunities to train the next generation of accelerator scientists and…


From Computational Complexity

Favorite Theorems: Quantum Provers

For our next favorite theorem, we look at the surprising power of provers who share entangled bits. If you can prove something to an arbitrarily computable verifier, then two entangled provers can convince a polynomial-time verifier…


From Schneier on Security

Other Attempts to Take Over Open Source Projects

Other Attempts to Take Over Open Source Projects

After the XZ Utils discovery, people have been examining other open-source projects. Surprising no one, the incident is not unique:

The OpenJS Foundation Cross Project Council received a suspicious series of emails with similar…


From insideHPC

Eviden Delivers 104 Pflops Nvidia-Powered EXA1-HE Supercomputer for CEA

Eviden Delivers 104 Pflops Nvidia-Powered EXA1-HE Supercomputer for CEA

Paris – April 17, 2024 – CEA (The French Alternative Energies and Atomic Energy Commission) and Eviden, the Atos advanced computing business unit, today announce the delivery of the EXA1 HE supercomputer, based on Eviden’s BullSequana…


From The Computing Community Consortium Blog

Opportunity to Respond to U.S. Air Force RFI on Countering Bias in AI/ML Datasets

Opportunity to Respond to U.S. Air Force RFI on Countering Bias in AI/ML Datasets

Earlier this month The U.S. Air Force Chief Scientist’s inter-agency working group sent out a request for information (RFI) on unintended Artificial Intelligence (AI) bias. The group is delving into the critical issue of bias…


From insideHPC

eFlows4HPC Delivers European HPC Workflow Platform

eFlows4HPC Delivers European HPC Workflow Platform

Barcelona, 16 April 2024 – The eFlows4HPC project announced it has delivered a workflow platform and an additional set of services facilitating the integration of high-performance computing (HPC) simulation and modeling with …


From insideHPC

CIQ Launches Support for Upstream Kernels in Rocky Linux

CIQ Launches Support for Upstream Kernels in Rocky Linux

RENO, Nev.—April 17, 2024—CIQ today launched supported, upstream kernels for Rocky Linux via the CIQ Enterprise Linux Platform, designed for enhanced performance, hardware compatibility and security. CIQ said the new offering…


From insideHPC

Riverlane Wins DARPA Quantum Benchmarking Program Grant

Riverlane Wins DARPA Quantum Benchmarking Program Grant

April 17, 2024 — Quantum computing company Riverlane has been selected for Phase 2 of the Quantum Benchmarking program funded by the Defence Advanced Research Projects Agency (DARPA). The aim of the program is to design key quantum…


From Schneier on Security

Using AI-Generated Legislative Amendments as a Delaying Technique

Using AI-Generated Legislative Amendments as a Delaying Technique

Canadian legislators proposed 19,600 amendments—almost certainly AI-generated—to a bill in an attempt to delay its adoption.

I wrote about many different legislative delaying tactics in A Hacker’s Mind, but this is a new one.


From insideHPC

LBNL Leads Quantum Data Storage, Visualization Project

LBNL Leads Quantum Data Storage, Visualization Project

Lawrence Berkeley National Laboratory has announced that national lab and university researchers recently released two papers introducing new methods of data storage and analysis to make quantum computing more practical and exploring…


From insideHPC

Stanford AI Index: Lax LLM Reponsibility, AI for Science Accelerates, Impact on Workers, US Leads China in Models

Stanford AI Index: Lax LLM Reponsibility, AI for Science Accelerates, Impact on Workers, US Leads China in Models

The AI Index Report from Stanford's Institute for Human-Centered AI is out, it's an annual,  thoroughgoing snapshot of the state of AI begun by the HAI in 2019. This year's edition presents new estimates on AI training....


The…


From insideHPC

NeuReality Launches Developer Portal for NR1 AI Inference Platform 

NeuReality Launches Developer Portal for NR1 AI Inference Platform 

SAN JOSE — April 16, 2024 — NeuReality, an AI infrastructure technology company, announced today the release of a software developer portal and demo for installation of its software stack and APIs. The company said the announcement…


From insideHPC

Former Intel Executive Thomas Lantzsch Joins Canatu Board

Former Intel Executive Thomas Lantzsch Joins Canatu Board

VANTAA, FINLAND, April 16, 2024 — Canatu, a developer of carbon nanotubes (Canatu CNTs) and manufacturing equipment for the semiconductor and automotive industries, today announced the appointment of former Intel executive Thomas…


From insideHPC

Microsoft and NVIDIA Together Advance AI

Microsoft and NVIDIA Together Advance AI

[SPONSORED GUEST ARTICLE] Think of the Microsoft Azure cloud platform as analogous to a general contractor who brings together the most skilled and knowledgeable artisans, technologically speaking, offering the latest and most…


From Schneier on Security

X.com Automatically Changing Link Text but Not URLs

X.com Automatically Changing Link Text but Not URLs

Brian Krebs reported that X (formerly known as Twitter) started automatically changing twitter.com links to x.com links. The problem is: (1) it changed any domain name that ended with “twitter.com,” and (2) it only changed the…


From insideHPC

Accelsius Announces NeuCool Direct Liquid Cooling

Accelsius Announces NeuCool Direct Liquid Cooling

AUSTIN, Texas – Accelsius, whose patented two-phase direct-to-chip liquid cooling systems enable high-performance computing and compute density for data center and edge computer operators, today announced NeuCool, its in-rack…


From Computational Complexity

Avi Wigderson is a counterexample to TWO stupid thoughts of G.H. Hardy

 Recently

1) Avi Wigderson won the Turing Award (See blog posts by Fortnow-here, Scott-here, Lipton-Regan here, and the ACM announcement here).  The last time I could find when Fortnow-Gasarch, Scott, Lipton-Regan all bloggedhere…


From The Noisy Channel

Sparse and Dense Representations

Sparse and Dense Representations

The heart of the AI-powered search revolution is the move from sparse bag-of-words representations to dense embedding-based representations. But reducing everything to a sparse vs. dense is a false dichotomy. This post explores…


From Schneier on Security

New Lattice Cryptanalytic Technique

New Lattice Cryptanalytic Technique

A new paper presents a polynomial-time quantum algorithm for solving certain hard lattice problems. This could be a big deal for post-quantum cryptographic algorithms, since many of them base their security on hard lattice problems…


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 twice at RSA Conference 2024 in San Francisco. I’ll be on a panel on software liability on May 6, 2024 at 8:30 AM, and I’m giving a keynote on AI…


From Daniel Lemire's Blog

Science and Technology links (April 13 2024)

Science and Technology links (April 13 2024)

Our computer hardware exchange data using a standard called PCI Express. Your disk, your network and your GPU are limited by what PCI Express can do. Currently, it means that you are limited to a few gigabytes per second of bandwidth…


From Daniel Lemire's Blog

Greatest common divisor, the extended Euclidean algorithm, and speed!

Greatest common divisor,  the extended Euclidean algorithm, and speed!

We sometimes need to find the greatest common divisor between two integers in software. The fastest way to compute the greatest common divisor might be the binary Euclidean algorithm. In C++20, it can be implemented generically…


From Schneier on Security

Friday Squid Blogging: The Awfulness of Squid Fishing Boats

Friday Squid Blogging: The Awfulness of Squid Fishing Boats

It’s a pretty awful story.

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.

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