SPCL@ETH
spcl-eth.bsky.social
SPCL@ETH
@spcl-eth.bsky.social
News from the Scalable Parallel Computing Lab at ETH Zurich led by @thoefler.bsky.social. Join or visit us: http://spcl.inf.ethz.ch/Jobs/
Zurich, Switzerland
spcl.inf.ethz.ch
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
November 6, 2025 at 4:30 PM
Happy to welcome Shriram Chandran, a new PhD student and look forward to our collaboration! 🚀

#HPC @thoefler.bsky.social @csateth.bsky.social
November 5, 2025 at 9:56 AM
🎉 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
October 29, 2025 at 9:25 AM
We are happy to welcome Pinxue Zhao, a new PhD student and look forward to our collaboration !🚀

#HPC @thoefler.bsky.social @csateth.bsky.social
October 28, 2025 at 2:26 PM
📢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
September 10, 2025 at 1:31 PM
📢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
September 9, 2025 at 2:19 PM
📢 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
September 4, 2025 at 1:10 PM
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
September 3, 2025 at 10:59 AM
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
July 17, 2025 at 11:00 AM
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
July 8, 2025 at 2:40 PM
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
July 7, 2025 at 10:53 AM
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
June 10, 2025 at 1:00 PM
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
June 3, 2025 at 8:46 AM
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
May 6, 2025 at 12:09 PM
We congratulate @thoefler.bsky.social for being selected for the inaugural "Visionary Leadership Award" at the UEC summit 2025!

#AI #HPC @csateth.bsky.social
May 5, 2025 at 9:54 AM
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
April 30, 2025 at 8:49 AM
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
April 9, 2025 at 9:39 AM
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
April 8, 2025 at 10:33 AM
@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...
March 26, 2025 at 11:24 AM
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
March 18, 2025 at 1:27 PM
Last week @thoefler.bsky.social spoke about AI for Science at SC Asia in Singapore, what an event!
#HPC #AI @spcl-eth.bsky.social
March 17, 2025 at 10:53 AM
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
March 11, 2025 at 12:57 PM
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
March 6, 2025 at 1:21 PM
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/...
March 5, 2025 at 9:55 AM
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
March 3, 2025 at 10:47 AM