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RTX3080/3090系によるTorch/Apexのエラー対応

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解決方法

export TORCH_CUDA_ARCH_LIST='8.0+PTX'

エラーの内容

Apexのコンパイルを行うと以下のエラーが出る。

nvcc fatal   : Unsupported gpu architecture 'compute_86'

compute_86すなわちsm_86はRTX30x系のことで、Torchはそんなアーキテクチャ知らないよといっている。では、知っている体ですませよう。

export TORCH_CUDA_ARCH_LIST='8.0+PTX'

取り合えずこれで、sm_80系で処理が進む。

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