cudaPackages.nccl: 2.21.5-1 -> 2.26.2-1 (#398313)

    cudaOlder

    cudatoolkit

    ;

  # versions 2.26+ with CUDA 11.x error with

  # fatal error: cuda/atomic: No such file or directory

  version = if cudaAtLeast "12.0" then "2.26.2-1" else "2.25.1-1";

  hash =

    if cudaAtLeast "12.0" then

      "sha256-iLEuru3gaNLcAdH4V8VIv3gjdTGjgb2/Mr5UKOh69N4="

    else

      "sha256-3snh0xdL9I5BYqdbqdl+noizJoI38mZRVOJChgEE1I8=";

in

backendStdenv.mkDerivation (finalAttrs: {

  pname = "nccl";

  version = "2.21.5-1";

  version = version;

  src = fetchFromGitHub {

    owner = "NVIDIA";

    repo = "nccl";

    rev = "v${finalAttrs.version}";

    hash = "sha256-IF2tILwW8XnzSmfn7N1CO7jXL95gUp02guIW5n1eaig=";

    hash = hash;

  };

  __structuredAttrs = true;