MPI_reduce问题

[yanjianyu-nwpu]

遇到了一个MPI——reduce问题

2021-08-23T02:03:59.158633578Z stderr Fatal error in MPI_Allreduce: Other MPI error, error stack:
2021-08-23T02:03:59.158636361Z stderr MPI_Allreduce(907).......: MPI_Allreduce(sbuf=MPI_IN_PLACE, rbuf=0x7f02ffc84010, count=707652794, MPI_UNSIGNED, MPI_SUM, MPI_COMM_WORLD) failed
2021-08-23T02:03:59.158639434Z stderr MPIR_Allreduce_impl(764).:
2021-08-23T02:03:59.158642079Z stderr MPIR_Allreduce_intra(268):
2021-08-23T02:03:59.158644684Z stderr MPIR_Bcast_impl(1452)....:
2021-08-23T02:03:59.158647154Z stderr MPIR_Bcast(1476).........:
2021-08-23T02:03:59.15864998Z stderr MPIR_Bcast_intra(1287)...:

我的数据大概有8亿个点，点的总数的问题吗