📢 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

📢 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

🔊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

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

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

📢 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

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

🔊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

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

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

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

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

🎉 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

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

📢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

📢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

📢 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

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

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

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

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

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

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

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

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

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

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

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

@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...

🚀 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.

Digital Sovereignty in Evolving Times

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

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