SPCL@ETH

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...

Digital Sovereignty in Evolving Times Harmonising Privacy and Sustainability for a Resilient and Self-Reliant Europe

🚀 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.

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

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

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!

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

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

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

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/...

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

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