Remove cudaMalloc and cudaFree in backward#87
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beginlner merged 2 commits intodeepseek-ai:mainfrom Aug 25, 2025
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SeanLi-OI
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Aug 25, 2025
SeanLi-OI
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CudaMalloc and CudaFree cause wait in host side. So replace it with `torch.empty()` which handle alloc failure inside torch and free when destruct.
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Thanks! Merged with minor fixes. |
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