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Created Oct 05, 2023 by acszvl113l@acszvl113l

如何使用decomposePar

我使用您迁移的rocm版本的OpenFOAM-GPU写了自己的一个MPI多进程求解器,并且运行在曙光的dcu集群上,我的多进程求解器是数据级别并行,也就是需要用到decomposePar,但是在运行decomposePar时会报错,Error at device/DeviceConfig.C:8(HIP_CALL(hipGetDeviceCount(&num_devices));),我猜测这可能是system/decomposeParDict编写的问题,请问我该如何使用decomposePar来对数据进行分割以达到多进程并行的目的?我需要在system/decomposeParDict文件中指定num_devices吗,如果是的话,请问如何编写来指定呢?

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