Posts by Sreeram Potluri
Agentic AI / Generative AI
Nov 06, 2026
Accelerating Reinforcement Learning Weight Refit with the Reshard Collective
During reinforcement learning (RL) post-training, training trajectories are generated on the fly by running inference with the current policy model. For...
11 MIN READ
Simulation / Modeling / Design
Nov 22, 2022
Improving Network Performance of HPC Systems Using NVIDIA Magnum IO NVSHMEM and GPUDirect Async
Today’s leading-edge high performance computing (HPC) systems contain tens of thousands of GPUs. In NVIDIA systems, GPUs are connected on nodes through the...
14 MIN READ
Simulation / Modeling / Design
Jan 22, 2021
Accelerating NVSHMEM 2.0 Team-Based Collectives Using NCCL
NVSHMEM 2.0 is introducing a new API for performing collective operations based on the Team Management feature of the OpenSHMEM 1.5 specification. A team is a...
9 MIN READ
Simulation / Modeling / Design
Aug 25, 2020
Scaling Scientific Computing with NVSHMEM
Figure 1. In the NVSHMEM memory model, each process (PE) has private memory, as well as symmetric memory that forms a partition of the partitioned global...
10 MIN READ