iiinova — where your digital self keeps evolving

SPCL@ETH @spcl-eth.bsky.social · 05/05/2026

📢 At EuroSys 2026 in Edinburgh, Tommaso Bonato presented 📄REPS paper: dl.acm.org/doi/10.1145/... 🎉Thanks to all co-authors! #EuroSys2026 #UltraEthernet #LoadBalancing #RDMA #DatacenterNetworking #HPC @thoefler.bsky.social @csateth.bsky.social TH

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SPCL@ETH @spcl-eth.bsky.social · 29/04/2026

📢 At ICLR 2026 in Rio, Georgios Vlassis presented "Beyond Outliers: A Study of Optimizers Under Quantization". 📄Paper: arxiv.org/abs/2509.23500 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 27/04/2026

🔊At EuroSys 2026, Tommaso Bonato will present REPS: Recycled Entropy Packet Spraying for Adaptive Load Balancing and Failure Mitigation. 📍 Tuesday, April 28, 13:30 (Track B) 👉https://dl.acm.org/doi/10.1145/3767295.3769320 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 24/03/2026

We are happy to welcome Jianyang Gao, a new Postdoc at #SPCL and look forward to our collaboration!🚀 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 13/02/2026

Graphs are foundational across domains but remain hard to use without deep expertise. #LLMs promise accessible #NL graph analytics, yet they fail to process industry-scale property graphs. 🔊Check our new paper! 👇https://arxiv.org/abs/2602.11052 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 06/01/2026

📢 We are starting the new year with some great news! Our paper "EvalNet: A Practical Toolchain for Generation and Analysis of Extreme-Scale Interconnects" got accepted at #IPDPS26!🚀 👉http://arxiv.org/abs/2105.12663 👉https://github.com/spcl/EvalNet #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 22/12/2025

With the year slowly winding down, we took a bit of time to get together, celebrate and reflect on the amazing 2025 journey and all the learnings and achievements during our Xmas dinner last Friday.🎄 Happy holidays & 2026, here we come!🚀🥳 #HPC #AI @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 16/12/2025

🔊Our paper Demystifying Higher-Order Graph Neural Networks got accepted by the journal IEEE Transactions on Pattern Analysis and Machine Intelligence!🚀 👉 arxiv.org/abs/2406.12841 👉 ieeexplore.ieee.org/document/112... #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 17/11/2025

Do you need fast ML kernels like batchnorm or ReLU, for a ML accelerator, but your hardware vendor does not offer a good implementation? See how out tool PerfDojo at SC’25 helps with that! 👉 sc25.conference-program.com/presentation... #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 06/11/2025

Save the date! 𝗕𝗶𝗻𝗲 𝗧𝗿𝗲𝗲𝘀: 𝗘𝗻𝗵𝗮𝗻𝗰𝗶𝗻𝗴 𝗖𝗼𝗹𝗹𝗲𝗰𝘁𝗶𝘃𝗲 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝘀 𝗯𝘆 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗶𝗻𝗴 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗟𝗼𝗰𝗮𝗹𝗶𝘁𝘆 will be presented at SC Conference Series on Nov 20 in room 275!🚀🎉 📄 arxiv.org/abs/2508.17311 #HPC @thoefler.bsky.social @csateth.bsky.social #SC25

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SPCL@ETH @spcl-eth.bsky.social · 05/11/2025

AI/HPC networks run real apps, not microbenchmarks. 🚀 Our 𝗦𝗖𝟮𝟱 Best Student Paper Candidate, 𝗔𝗧𝗟𝗔𝗛𝗦, traces real apps (like NCCL & MPI) to portable 𝗚𝗢𝗔𝗟 schedules for efficient simulation. 📄 Paper: arxiv.org/abs/2505.08936 💻 Code: github.com/spcl/atlahs

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SPCL@ETH @spcl-eth.bsky.social · 05/11/2025

Happy to welcome Shriram Chandran, a new PhD student and look forward to our collaboration! 🚀 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 29/10/2025

🎉 Uno accepted to SC25! Unified congestion control + reliable connectivity for intra- & inter-DC traffic to enable inter-DC AI training. 📄Paper: arxiv.org/abs/2510.15802 💻Code: github.com/spcl/Uno_SC25 🤝Collaboration with Microsoft #SC25 #AI #SPCL @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 28/10/2025

We are happy to welcome Pinxue Zhao, a new PhD student and look forward to our collaboration !🚀 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 10/09/2025

📢REPS accepted at EuroSys 2026!🚀 A per-packet load balancer for out-of-order transports. It caches high-performing paths and reroutes away from failures. It requires no switch changes and uses only ~25B per flow. 👉https://arxiv.org/pdf/2407.21625 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 09/09/2025

📢Our paper Psychologically Enhanced AI Agents is out! We introduce MBTI-in-Thoughts, a framework for enhancing the effectiveness of LLM agents through psychologically grounded personality conditioning. Find out more: 👉https://arxiv.org/abs/2509.04343 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 04/09/2025

📢 Our paper Demystifying Chains, Trees, and Graphs of Thoughts just got accepted by the journal IEEE Transactions on Pattern Analysis and Machine Intelligence!🚀 👉https://ieeexplore.ieee.org/document/11123142 👉https://arxiv.org/abs/2401.14295 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 03/09/2025

Happening right now!🚀 Afif Boudaoud from @spcl-eth.bsky.social is presenting today in the AI Models & Approaches session at IEEE Cluster 2025 in Edinburgh! Check out our paper on DaCe AD👉 arxiv.org/abs/2509.02197 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 17/07/2025

Scaling #LLM training across multiple datacenters is becoming increasingly crucial, but higher latency & limited bandwidth introduce major performance bottlenecks. Ales Kubicek presented a solution to this at ATC’25!🚀👇 www.usenix.org/conference/a... #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 08/07/2025

We are thrilled to be hosting Jiho Kim from Georgia Institute of Technology at SPCL over the summer and are looking forward to an interesting collaboration! Welcome to the team, Jiho!💯 🚀 #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 07/07/2025

Closing the ML Gap: Congrats to Stefano Schuppli for receiving the Best Paper Runner-Up Award at CUG 2025!🚀 A proud moment for CSCS and a big step toward more accessible, efficient ML on HPC. Learn more👇 arxiv.org/abs/2507.01880 #HPC @thoefler.bsky.social @csateth.bsky.social @cscsch.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 10/06/2025

Interested in how to gauge the memory latency sensitivity of your application without running parameter sweeps in a simulator like gem5? Our paper👉https://spcl.inf.ethz.ch/Publications/.pdf/shen-ics-2025-edan.pdf will be presented on Wed 2pm at ICS! #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 03/06/2025

We are happy to welcome two new doctoral students in our lab, Lorenzo Paleari and Shuhao Li and wish them a great start and lots of inspiration for their work! #HPC @spcl-eth.bsky.social @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 06/05/2025

Don't miss this week's #SPCL_Bcast! Theo Rekatsinas from Axelera AI will talk about data selection - data challenges when training generative models. Link to join👉 t.co/2ft819MVpe #HPC @thoefler @CSatETH

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SPCL@ETH @spcl-eth.bsky.social · 05/05/2025

We congratulate @thoefler.bsky.social for being selected for the inaugural "Visionary Leadership Award" at the UEC summit 2025! #AI #HPC @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 30/04/2025

Langwen Huang presented at EGU25 in Vienna yesterday!💯 Check out his paper on EBCC, a state-of-the-art error bounded compressor that combines the power of JPEG2000 and sparse wavelets👇https://meetingorganizer.copernicus.org/EGU25/EGU25-10282.html #HPC @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 09/04/2025

We congratulate Fanny Lehmann for receiving the 2024 PhD award from the CSMA for her thesis "A surrogate of elastic wave propagation to quantify uncertainties in seismic hazard analysis". It is great to collaborate with her!🚀 #HPC #collaboration @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 08/04/2025

Last week we hosted the #GLACIATION Dissemination Event at #ETH Andreasturm in Zurich! Dr. Maciej Besta gave a keynote on "The Future of AI and High-Performance Computing: From Graph Intelligence to Ethical Digital Sovereignty" #HPC @spcl-eth.bsky.social @thoefler.bsky.social @csateth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 26/03/2025

@spcl-eth.bsky.social proudly announces that @thoefler.bsky.social wins the prestigious ACM Prize in Computing for Contributions to AI and HPC! What an achievement!🚀💯 #HPC #AI @csateth.bsky.social www.cscs.ch/science/comp...

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Reposted by SPCL@ETH

Torsten Hoefler 🇨🇭 @thoefler.bsky.social · 23/03/2025

🚀 Join the Digital Sovereignty Event in ETH's AI Tower! 🌐 Organized by the EU Project Glaciation. ✨ When: April 3rd 3-6pm @ AI Tower in Zurich Register now: buff.ly/UD3w3r1 📅 Mark your calendars! Let's shape the future of digital sovereignty together.

buff.ly

Digital Sovereignty in Evolving Times

Harmonising Privacy and Sustainability for a Resilient and Self-Reliant Europe

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SPCL@ETH @spcl-eth.bsky.social · 18/03/2025

SC Asia 2025 in Singapore was a success! @thoefler.bsky.social gave another great talk, this time on AI for Climate. #HPC @spcl-eth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 17/03/2025

Last week @thoefler.bsky.social spoke about AI for Science at SC Asia in Singapore, what an event! #HPC #AI @spcl-eth.bsky.social

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Reposted by SPCL@ETH

Torsten Hoefler 🇨🇭 @thoefler.bsky.social · 11/03/2025

Jack Dongarra opens #SCAsia2025 with his great keynote about responsibly reckless algorithms. With some examples of more reckless ones 😉. One of the #HPC giants here in Singapore this week!

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SPCL@ETH @spcl-eth.bsky.social · 11/03/2025

Don't miss this week's #SPCL_Bcast! John Mellor-Crummey from Rice University will talk about measurement and analysis of application performance on GPU-accelerated systems at exascale. Link to join:👉http://spcl.inf.ethz.ch/Bcast/ #HPC @thoefler.bsky.social @spcl-eth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 06/03/2025

Yesterday, Jiale and Roberto presented the paper MARLIN: Mixed-Precision Auto-Regressive Parallel Inference on Large Language Models at PPoPP in Las Vegas! Want to know more? Check out the paper here👇https://dl.acm.org/doi/10.1145/3710848.3710871 #HPC @thoefler.bsky.social @spcl-eth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 05/03/2025

Yesterday, Lukas presented our paper at CGO in Las Vegas! The talk examined whether normalizing loop nests based on memory access patterns simplifies subsequent loop optimization. #HPC @thoefler.bsky.social @spcl-eth.bsky.social Conlusion? Check out the paper here👇 dl.acm.org/doi/10.1145/...

A Priori Loop Nest Normalization: Automatic Loop Scheduling in Complex Applications

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SPCL@ETH @spcl-eth.bsky.social · 03/03/2025

We are excited to welcome Mohit Rajpal, a postdoctoral researcher at SPCL Singapore! We wish him a great start and are thrilled about the remote collaboration between Zurich and Singapore. Welcome to the team Mohit🚀💯! #HPC @thoefler.bsky.social @spcl-eth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 25/02/2025

Don't miss this week's #SPCL_Bcast! Colin Raffel from the the University of Toronto, Vector Institute, and Hugging Face will talk about merging and MoErging for compositional generalization. Link to join:👉 spcl.inf.ethz.ch/Bcast/ @thoefler.bsky.social #HPC

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SPCL@ETH @spcl-eth.bsky.social · 19/02/2025

We are excited to welcome a new PhD student in our lab and wish him a great start and lots of exciting and inspiring moments! Welcome to the team Berke Ates! 💯 🚀 #HPC @thoefler.bsky.social @spcl-eth.bsky.social

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SPCL@ETH @spcl-eth.bsky.social · 05/02/2025

Kick-off meeting for the weathergenerator.eu project is underway and @spcl-eth.bsky.social is proud to be a part of it! Learn more here👇 player.vimeo.com/video/105144... @thoefler.bsky.social #HPC

weathergenerator.eu

Weather Generator

Transforming Earth system science through advanced AI

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