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.
๐Check our new paper!
๐https://arxiv.org/abs/2602.11052
#HPC @thoefler.bsky.social @csateth.bsky.social
๐ข 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!๐
๐http://arxiv.org/abs/2105.12663
๐https://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.๐
Happy holidays & 2026, here we come!๐๐ฅณ
#HPC #AI @thoefler.bsky.social @csateth.bsky.social
๐Our paper Demystifying Higher-Order Graph Neural Networks got accepted by the journal IEEE Transactions on Pattern Analysis and Machine Intelligence!๐
๐ arxiv.org/abs/2406.12841
๐ 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 SCโ25 helps with that!
๐ sc25.conference-program.com/presentation...
#HPC @thoefler.bsky.social @csateth.bsky.social
Save the date! ๐๐ถ๐ป๐ฒ ๐ง๐ฟ๐ฒ๐ฒ๐: ๐๐ป๐ต๐ฎ๐ป๐ฐ๐ถ๐ป๐ด ๐๐ผ๐น๐น๐ฒ๐ฐ๐๐ถ๐๐ฒ ๐ข๐ฝ๐ฒ๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐ ๐ฏ๐ ๐ข๐ฝ๐๐ถ๐บ๐ถ๐๐ถ๐ป๐ด ๐๐ผ๐บ๐บ๐๐ป๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป ๐๐ผ๐ฐ๐ฎ๐น๐ถ๐๐ will be presented at SC Conference Series on Nov 20 in room 275!๐๐
๐ arxiv.org/abs/2508.17311
#HPC @thoefler.bsky.social @csateth.bsky.social #SC25
AI/HPC networks run real apps, not microbenchmarks.
๐ Our ๐ฆ๐๐ฎ๐ฑ Best Student Paper Candidate, ๐๐ง๐๐๐๐ฆ, traces real apps (like NCCL & MPI) to portable ๐๐ข๐๐ schedules for efficient simulation.
๐ Paper: arxiv.org/abs/2505.08936
๐ป Code: github.com/spcl/atlahs
Happy to welcome Shriram Chandran, a new PhD student and look forward to our collaboration! ๐
#HPC @thoefler.bsky.social @csateth.bsky.social
๐ Uno accepted to SC25! Unified congestion control + reliable connectivity for intra- & inter-DC traffic to enable inter-DC AI training.
๐Paper: arxiv.org/abs/2510.15802
๐ปCode: github.com/spcl/Uno_SC25
๐คCollaboration 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 !๐
#HPC @thoefler.bsky.social @csateth.bsky.social
๐ขREPS accepted at EuroSys 2026!๐
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.
๐https://arxiv.org/pdf/2407.21625
#HPC @thoefler.bsky.social @csateth.bsky.social
๐ขOur 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: ๐https://arxiv.org/abs/2509.04343
#HPC @thoefler.bsky.social @csateth.bsky.social
๐ข Our paper Demystifying Chains, Trees, and Graphs of Thoughts just got accepted by the journal IEEE Transactions on Pattern Analysis and Machine Intelligence!๐
๐https://ieeexplore.ieee.org/document/11123142
๐https://arxiv.org/abs/2401.14295
#HPC @thoefler.bsky.social @csateth.bsky.social
Happening right now!๐ 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 AD๐ 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 ATCโ25!๐๐
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!๐ฏ ๐
#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!๐
A proud moment for CSCS and a big step toward more accessible, efficient ML on HPC. Learn more๐
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 paper๐https://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 join๐
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!๐ฏ Check out his paper on EBCC, a state-of-the-art error bounded compressor that combines the power of JPEG2000 and sparse wavelets๐https://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!๐
#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!๐๐ฏ
#HPC #AI @csateth.bsky.social
www.cscs.ch/science/comp...
๐ Join the Digital Sovereignty Event in ETH's AI Tower! ๐
Organized by the EU Project Glaciation.
โจ When: April 3rd 3-6pm @ AI Tower in Zurich
Register now: buff.ly/UD3w3r1
๐
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 ๐.
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:๐http://spcl.inf.ethz.ch/Bcast/
#HPC @thoefler.bsky.social @spcl-eth.bsky.social
