activity
20012025
most citedColmena: Scalable Machine-Learning-Based Steering of Ensemble Simulations for High Performance Computing

51 citations · 141 across the 17 of their papers we have counts for

collaborators

17 papers

cs.AI2025

Evaluating the Safety and Skill Reasoning of Large Reasoning Models Under Compute Constraints

Adarsha Balaji, Le Chen, Rajeev Thakur +2

Test-time compute scaling has demonstrated the ability to improve the performance of reasoning language models by generating longer chain-of-thought (CoT) sequences. However, this…

cs.DC2025

ZCCL: Significantly Improving Collective Communication With Error-Bounded Lossy Compression

Jiajun Huang, Sheng Di, Xiaodong Yu +12

With the ever-increasing computing power of supercomputers and the growing scale of scientific applications, the efficiency of MPI collective communication turns out to be a critic…

cs.DC2024

MPI Progress For All

Hui Zhou, Robert Latham, Ken Raffenetti +2

The progression of communication in the Message Passing Interface (MPI) is not well defined, yet it is critical for application performance, particularly in achieving effective com…

cs.DC2024

Designing and Prototyping Extensions to MPI in MPICH

Hui Zhou, Ken Raffenetti, Yanfei Guo +3

As HPC system architectures and the applications running on them continue to evolve, the MPI standard itself must evolve. The trend in current and future HPC systems toward powerfu…

cs.DC2024★ 4 cited

Frustrated with MPI+Threads? Try MPIxThreads!

Hui Zhou, Ken Raffenetti, Junchao Zhang +2

MPI+Threads, embodied by the MPI/OpenMP hybrid programming model, is a parallel programming paradigm where threads are used for on-node shared-memory parallelization and MPI is use…

cs.PF2023★ 3 cited

A Comprehensive Performance Study of Large Language Models on Novel AI Accelerators

Murali Emani, Sam Foreman, Varuni Sastry +6

Artificial intelligence (AI) methods have become critical in scientific applications to help accelerate scientific discovery. Large language models (LLMs) are being considered as a…