NCCL

Optimized primitives for collective multi-GPU communication (by NVIDIA)

NCCL Alternatives

Similar projects and alternatives to NCCL

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better NCCL alternative or higher similarity.

NCCL reviews and mentions

Posts with mentions or reviews of NCCL. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-06-06.
  • MPI jobs to test
    2 projects | /r/HPC | 6 Jun 2023
    % rm -rf /tmp/nccl ; git clone --recursive https://github.com/NVIDIA/nccl.git ; cd nccl ; git grep MPI Cloning into 'nccl'... remote: Enumerating objects: 2769, done. remote: Counting objects: 100% (336/336), done. remote: Compressing objects: 100% (140/140), done. remote: Total 2769 (delta 201), reused 287 (delta 196), pack-reused 2433 Receiving objects: 100% (2769/2769), 3.04 MiB | 3.37 MiB/s, done. Resolving deltas: 100% (1820/1820), done. README.md:NCCL (pronounced "Nickel") is a stand-alone library of standard communication routines for GPUs, implementing all-reduce, all-gather, reduce, broadcast, reduce-scatter, as well as any send/receive based communication pattern. It has been optimized to achieve high bandwidth on platforms using PCIe, NVLink, NVswitch, as well as networking using InfiniBand Verbs or TCP/IP sockets. NCCL supports an arbitrary number of GPUs installed in a single node or across multiple nodes, and can be used in either single- or multi-process (e.g., MPI) applications. src/collectives/broadcast.cc:/* Deprecated original "in place" function, similar to MPI */
  • NVLink and Dual 3090s
    1 project | /r/nvidia | 4 May 2022
    If it's rendering, you don't really need SLI, you need to install NCCL so that GPUs memory can be pooled: https://github.com/NVIDIA/nccl
  • Distributed Training Made Easy with PyTorch-Ignite
    7 projects | dev.to | 10 Aug 2021
    backends from native torch distributed configuration: nccl, gloo, mpi.
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    www.influxdata.com | 25 Apr 2024
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Basic NCCL repo stats
3
2,808
5.8
about 19 hours ago

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