Use FORCE_CUDA to allow build on host with no device #1880
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torch.cuda.is_available() returns if a physical device exists, not if cuda is actually available. On build host where no gpu device exists but cuda is in fact available, the `FORCE_CUDA` env. variable allow one to build torchao.
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/ao/1880
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torch.cuda.is_available()returns if a physical device exists, not if cuda is actually available.On build host where no gpu device exists but cuda is in fact available, the
FORCE_CUDAenv. variable allow one to build torchao.