Nccl
Revision as of 20:03, 21 August 2022 by Israel.herrera (talk | contribs)
Description
The NVIDIA Collective Communication Library (NCCL) implements multi-GPU and multi-node communication primitives optimized for NVIDIA GPUs and Networking. NCCL provides routines such as all-gather, all-reduce, broadcast, reduce, reduce-scatter as well as point-to-point send and receive that are optimized to achieve high bandwidth and low latency over PCIe and NVLink high-speed interconnects within a node and over NVIDIA Mellanox Network across nodes.
Environment Modules
Run module spider nccl
to find out what environment modules are available for this application.
System Variables
- HPC_NCCL_DIR - installation directory