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When mpi support CUDA Aware MPI (e.g. OpenMPI, MVAPICH2, etc.), CUDA data can be directly communicated using MPI without the need to transfer it back to the CPU first.

@Qianruipku Qianruipku added Performance Issues related to fail running ABACUS GPU & DCU & HPC GPU and DCU and HPC related any issues labels Feb 25, 2025
@Qianruipku Qianruipku enabled auto-merge (squash) February 26, 2025 02:29
@Qianruipku Qianruipku merged commit 9448ba9 into deepmodeling:develop Feb 26, 2025
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Fisherd99 pushed a commit to Fisherd99/abacus-BSE that referenced this pull request Mar 31, 2025
* add CUDA-aware MPI
* update docs
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