Communications of the ACM
The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.
December 2024
From insideHPC
Registration Opens for Energy HPC Conference at Rice Univ. Feb. 25-27
Dec. 4, 2024 — Registration is now open for the Energy High Performance Computing Conference at Rice University’s Ken Kennedy Institute in House, Tuesday-Thursday, Feb. 25-27. Registration is here. For the past 18 years, the
…
From Computational Complexity
Favorite Theorems: The Complete List
Now in one place all of my sixty favorite theorems from the six decades of computational complexity (1965-2024).
From Schneier on Security
AI and the 2024 Elections
It’s been the biggest year for elections in human history: 2024 is a “super-cycle” year in which 3.7 billion eligible voters in 72 countries had the chance to go the polls. These are also the first AI elections, where many feared…
From insideHPC
At SC24: Hammerspace on Making Data Accessible, Globally Shared and Silo-Free
At SC24, we caught up with Floyd Christofferson, Vice President of Product Marketing at data management platform vendor Hammerspace, a company at the headwaters of making data an instantly accessible and globally shared resource…
From insideHPC
MLCommons Launches LLM Safety Benchmark
Dec. 4, 2024 — MLCommons today released AILuminate, a safety test for large language models. The v1.0 benchmark – which provides a series of safety grades for the most widely-used LLMs – is the first AI safety benchmark designed…
From insideHPC
AWS Announces EC2 UltraCluster and GA of Trainium2 Instances
LAS VEGAS, Dec. 3, 2024 — At AWS re:Invent, Amazon Web Services today announced the general availability of AWS Trainium2-powered Amazon Elastic Compute Cloud (Amazon EC2) instances, introduced new Trn2 UltraServers, enabling…
From insideHPC
Hammerspace Announces Contributions to the Linux Kernel for Enterprise and HPC-AI Storage
SAN MATEO, Calif. – December 3, 2024 – Hammerspace announced contributions to the Linux kernel designed to transform standard Linux servers into platforms for enterprise, AI and HPC file and object storage. These contributions…
From insideHPC
CXL Consortium Releases 3.2 Specification
Dec. 3, 2024 – Beaverton, Ore. – The CXL Consortium, an industry standard body focused on coherent connectivity, announces the release of its Compute Express Link (CXL) 3.2 Specification. The 3.2 Specification optimizes CXL Memory…
From The Computing Community Consortium Blog
A Deeper Dive into the Expertise of Supporting At-Risk Users Through Responsible Computing Organizers
The upcoming Supporting At-Risk Users Through Responsible Computing workshop seeks to bring together a diverse group of researchers to discuss the challenges and possible solutions when working with at-risk populations, building…
From ACM-W supporting, celebrating and advocating for Women in Computing
Welcome to our new ACM-W Website Manager!
Bethany Ahluwalia has become our new ACM-W Website Manager, effective December 2024. We thank Chandra Burnham for her immense support during the search and transition processes. Bethany is a final year MEng Computer Science student…
From insideHPC
At SC24: Valvoline Global Revs up HPC-AI Liquid Cooling with Debut in Atlanta
Valvoline Global has taken its engine cooling and lubrication heritage going back more than a century and announced at SC24 its HPC-AI liquid cooling debut. In this interview, we spoke with Samuel Raudales, Valvoline Global's…
From insideHPC
DOE Announces Research, Technology and Economic Security Framework
Dec. 2, 20224 — For applicants and recipients of Department of Energy (DOE) financial assistance and loan funding, a newly published “Research Technology and Economic Security Framework” highlights DOE’s goals, process, high-level…
From insideHPC
Red Hat Signs Agreement with AWS for Virtualization and AI in Hybrid Cloud
RALEIGH, N.C. – Dec. 2, 2024 — Red Hat, Inc., open source solutions provider, today announced it has signed a collaboration agreement with Amazon Web Services (AWS) to scale availability of Red Hat open source solutions in AWS…
From insideHPC
Pascal100-Qubit Quantum Computer Shipped to Jülich Supercomputing Centre
Dec. 2, 2024 -- The Jülich Supercomputing Centre (JSC) at Forschungszentrum Jülich in Germany received a 100-qubit quantum computer from neutral atom quantum computing company Pasqal in mid-November.
The post Pascal100-QubitHigh…
From insideHPC
Nebius Announces $700M Equity Financing for AI Infrastructure Rollout
Amsterdam, December 2, 2024 – Nebius Group N.V.; NASDAQ:NBIS), an AI infrastructure company, today announced s definitive agreements for a USD 700 million private placement financing from a group of institutional and accredited…
From insideHPC
Tenstorrent Closes $693M+ Series D Round
Dec. 2, 2024, Santa Clara, CA: Tenstorrent said it closed over $693M in its Series D funding round at a pre-money valuation of $2B. Samsung Securities and AFW Partners led the oversubscribed round. In addition to the leads, other…
From The Noisy Channel
Modeling Queries as Bags of Documents
Last week, I had the honor of presenting “Modeling Queries as Bags of Documents” at Search Solutions 2024 with Aritra Mandal.
We introduced the bag-of-documents model as a way to align query and document representations — specifically…From insideHPC
Intel Announces Retirement of CEO Pat Gelsinger
Dec. 2, 2024, SANTA CLARA, CA — Intel Corporation (NASDAQ: INTC) today announced that Pat Gelsinger, the company’s CEO since February 2021, has retired from the company after a 40-plus-year career and has stepped down from the…
From Schneier on Security
Details about the iOS Inactivity Reboot Feature
I recently wrote about the new iOS feature that forces an iPhone to reboot after it’s been inactive for a longish period of time.
Here are the technical details, discovered through reverse engineering. The feature triggers after…From Computational Complexity
Conway's Trick for Divisibility. Asking its complexity is an odd question.
(I got this material from a nice article by Arthur Benjamin here.)
Conway suggested the following trick to determine if a number is divisible by each of the following:
2,3,5,7,11,17,19,31
Note that
\( 152=2^3\times 19\)
\(153…