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python3Packages.torch: gate NCCL with cudaSupport #273594

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Merged
ConnorBaker merged 1 commit into from
Dec 11, 2023
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python3Packages.torch: gate NCCL with cudaSupport #273594

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2 changes: 1 addition & 1 deletion pkgs/development/python-modules/torch/default.nix
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Expand Up @@ -273,7 +273,7 @@ in buildPythonPackage rec {
PYTORCH_BUILD_VERSION = version;
PYTORCH_BUILD_NUMBER = 0;

USE_NCCL = setBool (cudaPackages ? nccl);
USE_NCCL = setBool (cudaSupport && cudaPackages ? nccl);
USE_SYSTEM_NCCL = setBool useSystemNccl; # don't build pytorch's third_party NCCL
USE_STATIC_NCCL = setBool useSystemNccl;

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