Fatal error in MPI_Allreduce: Invalid datatype

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leon
Posts: 78
Joined: Mon Mar 03, 2008 4:14 am

Fatal error in MPI_Allreduce: Invalid datatype

#1 Unread post by leon »

Hi all,

I got an error while run the double_gyre/OP case. The error message is

DEF_GST - creating checkpointing file, Grid : ^A^@^@^@
DEF_GST - creating checkpointing file, Grid : gyre3d_gst.nc
Fatal error in MPI_Allreduce: Invalid datatype, error stack:
MPI_Allreduce(861): MPI_Allreduce(sbuf=0x7fffc5b185a0, rbuf=0x7fffc5b185a8, count=1, INVALID DATATYPE, op=0x64, MPI_COMM_WORLD) failed

I'm able to run the double_gyre/Forward case. But the OP case failed due to the above error. I didn't change anything. Any idea what's wrong here? Thanks much!

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