Huge congratulations to @martaandronic.bsky.social who yesterday passed her PhD viva with flying colours. Very positive comments from the examiners Kia Bazargan and Christos Savvas Bouganis. Marta has been a joy to supervise. (1/2)

Back from a lovely couple of days at the beautiful @edinburgh-uni.bsky.social, doing a PhD viva in Themis Prodromakis' group on machine-learning accelerators and then spending time with my collaborator Jianyi Cheng and his PhD student Chenyang Ai on egraphs.

Great thought-provoking lecture from Peter Hacker on Wittgenstein, hosted by The Royal Institute of Philosophy. With a wonderful ending "each generation must roll its own". There's a great need to "transform latent nonsense into patent nonsense" right now. www.youtube.com/watch?v=fcNE...

Spent today at a great @raeng.org.uk / LRF workshop on Sustainability and Safety at the Frontier of AI: A broad scoping exercise on what's coming by 2040 and how we get there. I emphasised need for algorithm / representation / architecture codesign. Also discussions on social / econ drivers in AI.

Attended my first meeting of the IEEE P3109 working group on Arithmetic Formats for Machine Learning today. Some interesting discussions - looking forward to more to come.

Happy British Philosophy Fortnight 2026. Much of my work involves questions about knowledge, abstraction, and value. Philosophy is everywhere. #philosophymatters

Block Number Formats are (Still!) Direction Preservers In a follow-up to my last blog post, here I show that even under coarse rounding of scaling factors to powers of two, block number formats can be considered direction preservers. constantinides.net/2026/03/15/b...

Spent a great morning with students and staff of Imperial Maths School. Highlight: student telling me that "here, if I am worried or concerned about something, people actually listen to me". Huge kudos to the maths school team.

Very useful clarity in this letter from UKRI to Chi Onwurah on funding - especially the Sankey diagram. committees.parliament.uk/publications...

Block Number Formats are Direction Preservers I've written a brief blog post about block number formats (MX, NVFP4, block floating point, block mini-floats, etc.) from a geometric perspective. constantinides.net/2026/03/07/b...

This week I spoke at the SIAM PP 2026 conference in Berlin on the state of play of numerics, especially in AI / machine learning. More details on my talk and my slides are on here: www.linkedin.com/posts/george...

On 4 February, ECRI hosted our inaugural guest lecture with Professor Sir Bashir M. Al Hashimi CBE, who delivered a thought-provoking talk on The Role of Humans in Scientific Discovery in the Age of LLMs. Further information and a link to view the session can be found here: tinyurl.com/ecriGL

Highlight #6 of my trip: Chairing the machine learning session at #FPGA2026, including Hoang et al. taking a new direction in LUT-based NNs. To read more about these networks see the early papers LUTNet and LogicNets, then PolyLUT and NeuraLUT and this new work Kanelé.

Highlight #5 of my trip - my first (and second) @waymo.bsky.social rides. Mark Shand from Waymo and I have discussed their technology in some depth in the past but I was not really expecting just how much it felt like being part of my childhood sci-fi inspired dreams.

Highlight #4 of my trip: CAS (& its predecessor, InfoEng) research group @imperialeee.bsky.social Bay Area alumni gathering

Highlight #3 of my trip. My visit to @nvidia's stunningly beautiful HQ and learning about their current applied deep learning activity.

Super important inquiry launched by the Education Select Committee on AI and EdTech. Read more here: committees.parliament.uk/committee/20...

Highlight #2 of my trip: spending time with @mwillsey.com and Russel Arbore at @ucberkeleyofficial.bsky.social

Playing 20 questions with my family and I ask the question "is it no larger than a maximal horse". Queue hilarity. Apparently this is not a normal question.

Highlight #1 of my trip: reconnecting with @satnam6502.bsky.social and learning about harmonic.fun

I had a really productive visit to California this month to visit companies and attend FPGA 2026. More details in my blog post. constantinides.net/2026/02/25/c...

Hear some of my @imperialecri.bsky.social colleagues talking about some of their great work in supporting interdisciplinary collaborations here: www.youtube.com/watch?v=LrRC...

We’re hiring at @imperialcollegeldn.bsky.social. Join @imperialecri.bsky.social as a Coordinator (Projects) and help deliver programmes and events that support our researchers. If you’re organised, collaborative and motivated to make a difference, we’d love to hear from you. bit.ly/ECRICoordina...

Quite the venue for the last two days. Discussing neuromorphic computing with the NeuroWare and NeuMAT teams at Armourer's Hall.

St. John's College Cambridge at dawn, crossing the Bridge of Sighs. Back from a great meeting of Aaron Zhao's ARIA project meeting, kindly hosted by Rob Mullins.

Last week I got to 5 days with these wonderful folk at Dagstuhl talking Program Optimization with E-Graphs. My whirring ever since with new ideas and perspectives. Kudos to my fellow organisers, Willsey, Fallin and Steuwer and to all the participants for their open and active participation.

Delighted to be hosting Bashir Al-Hashimi in the new year for @imperialecri.bsky.social's inaugural Distinguished Guest Lecture. www.imperial.ac.uk/events/20341...

Congratulations to the hls4ml team on the acceptance of the paper "hls4ml: A Flexible, Open-Source Platform for Deep Learning Acceleration on Reconfigurable Hardware" by ACM TRETS. arxiv.org/abs/2512.01463

I'm supporting Crohn's and Colitis awareness week as a member of Crohn's and Colitis UK

Calling @imperialcollegeldn.bsky.social research supervisors. Want to upskill and share best practices in PhD supervision? Learn about our @imperialecri.bsky.social Peer Mentoring Circles! www.imperial.ac.uk/early-career...

Yesterday I gave an invited talk at @uwaterloo.ca (at the invitation of Nachiket Kapre) on digit slicing, exploring the fundamental question of which operand digits we need to know to compute a digit of a result. Picture is me and Milos Ercegovac, father of online arithmetic.

Disability History Month at @imperialcollegeldn.bsky.social www.imperial.ac.uk/equality/eve...

✨#Philosophy really can change minds. ✨To mark #WorldPhilosophyDay, here's a reminder of what a difference it can make. As our Chair, @lucyobrien.bsky.social, puts it: “Philosophy teaches skills integral to cultivating social values and conduct. It changes people's minds.”

Yesterday we had a lovely lunch to celebrate the completion of Martin Langhammer's PhD. With John Wickerson, Christos Savvas Bouganis, Wayne Luk, Peter Cheung and of course the star of the show, Martin Langhammer.

Enjoyed this Google Deepmind podcast on @waymo.bsky.social podcasts.apple.com/gb/podcast/g...

Current and former @imperialeee.bsky.social students are gathering at EMNLP in China. This photo features two of my former PhD students Gao and Liu, one of my current PhD students @martaandronic.bsky.social, and two of my former UGs @martaandronic.bsky.social again and Zhao, latter now my colleague!

Assistant professorships at Electrical and Electronic Engineering, Imperial College London! *TWO* assistant professorships are available: One in Digital Electronics and one in Biomedical Electronics. Please spread the word. www.imperial.ac.uk/jobs/search-...

Was delighted to have welcomed alumnus Theo Drane back to @imperialeee.bsky.social for a flying visit today. Always productive meetings with Theo, no matter how long or short!

I recognise these archetypes! Interesting blog from Inger Mewburn. Thanks to Magdalena Jara for pointing it out! thesiswhisperer.com/2025/05/01/n...

This workshop aims to establish a cross-disciplinary dialogue between experts in several disciplines to address the urgent challenge of reducing the energy footprint of computational science. bit.ly/4nuk77l @riakymch.bsky.social @malyzajko.bsky.social @gconstantinides.bsky.social

Do Your Best: A Social Question? constantinides.net/2025/10/26/d...

Some (optional) reading I gave to my students today. A paper from 1726. (First brought to my attention by Milos Ercegovac)

Pioneer Leon Chua from @ucberkeleyofficial.bsky.social is giving us a talk today at @imperialeee.bsky.social. Thanks to Giordano Scarciotti for organising!

Looking forward to giving my first (double) lecture of the term to first year undergrads today on digital electronics. A week later than hoped for as I got caught up in the freshers' flu epidemic last week. But hoping I can make up for it today!

Nice article below. It was similar thinking that motivated us to develop networks around Boolean LUT rather than matmul in 2019. The latest incarnation, NeuraLUT-Assemble by @martaandronic.bsky.social, is here github.com/MartaAndroni... www.sigarch.org/dont-put-all...

Congrats to Martin Langhammer, has passed his PhD viva. A great pleasure working with Martin, who I have known for decades! An impressive body of work on high performance and compact soft SIMT processors for FPGAs. Thanks also to Vaughn Betz and Christos Bouganis for examining.

I am supporting #WorldMentalHealthDay

New blog from Stephen Webster citing our lift (US: elevator) conversation on Aristotle 😁 blogs.imperial.ac.uk/the-good-sci...

Today I met up with two of my former PhD students (one of whom brought his own PhD students, my grand-students!) at a workshop run by my former undergraduate project student. Enjoying my "old man" status.

Back from NeuMat kickoff: network in neuromorphic materials and devices for future AI hardware at stunning Trinity. As someone bridging software and digital accelerator design for ML, interesting to hear from materials and devices people. There is a lot we can do together!