Optimized primitives for collective multi-GPU communication


conda install

  • linux-64  v1.3.5
To install this package with conda run:
conda install -c anaconda nccl


NCCL (pronounced "Nickel") is a stand-alone library of standard collective communication routines, such as all-gather, reduce, broadcast, etc., that have been optimized to achieve high bandwidth over PCIe. NCCL supports an arbitrary number of GPUs installed in a single node and can be used in either single- or multi-process (e.g., MPI) applications.

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