Fix null parameter in MPI_Init_thread #5230
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ikbuibui
approved these changes
Dec 10, 2024
psychocoderHPC
approved these changes
Dec 11, 2024
psychocoderHPC
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psychocoderHPC
approved these changes
Dec 11, 2024
psychocoderHPC
merged commit 94c81d7
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ComputationalRadiationPhysics:dev
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Threaded MPI can be activated in PIConGPU by
export PIC_USE_THREADED_MPI=MPI_THREAD_MULTIPLE, necessary for some things like the HDF5 subfiling VFD or RDMA via MPI in ADIOS2 SST, introduced with #4412. However, theMPI_Init_thread()call was wrong and only worked with some MPI versions.