Optimized primitives for collective multi-GPU communication


  • linux-64 v2.8.3.1

conda install

To install this package run one of the following:
conda install -c anaconda nccl


The NVIDIA Collective Communications Library (NCCL) implements multi-GPU and multi-node collective communication primitives that are performance optimized for NVIDIA GPUs. NCCL provides routines such as all-gather, all-reduce, broadcast, reduce, reduce-scatter, that are optimized to achieve high bandwidth over PCIe and NVLink high-speed interconnect.

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