MPI exit code: 11

[RexLee]

#include <iostream>
#include <cstdio>
#include <string>
#include <fstream>
#include <mpi.h>

double t1, t2;

int main(int argc, char* argv[])
{
    MPI_Init(NULL, NULL);
    
    int numProc;
    MPI_Comm_size(MPI_COMM_WORLD, &numProc);
    int rank;
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    
    int N;
    std::string input;
    N = atoi(argv[1]);
    input = argv[2];
    
    t1 = MPI_Wtime();
    MPI_File fh;
    MPI_File_open(MPI_COMM_WORLD, input.c_str(), MPI_MODE_RDONLY, MPI_INFO_NULL, &fh);
    
    long long filesize;
    MPI_File_get_size(fh, &filesize);
    int bufsize = filesize / numProc;
    int nints = bufsize / sizeof(float);
    
    float* num = (float*)malloc(sizeof(float) * nints);
    
    MPI_File_seek(fh, rank * bufsize, MPI_SEEK_SET);
    MPI_File_read(fh, num, nints, MPI_FLOAT, NULL);
    
    MPI_File_close(&fh);
    t2 = MPI_Wtime();
    
    if(rank == 0)
    {
        std::cout.precision(16);
        std::cout << (double)t2 - t1 << std::endl;
    }
    
    MPI_Finalize();
    return 0;
}

The input file is a binary file. This is the error code.

===================================================================================
=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
=   PID 28932 RUNNING AT apollo31
=   EXIT CODE: 11
=   CLEANING UP REMAINING PROCESSES
=   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
===================================================================================

This message occurs at MPI_File_read, it works on my computer but not on the server I tested it on.

[Nuluvius]

50 minutes ago, RexLee said:

The input file is a binary file. This is the error code.

51 minutes ago, RexLee said:

This message occurs at MPI_File_read, it works on my computer but not on the server I tested it on.

That's nice... So what do you expect us to do about it.

[RexLee]

So what does this error code mean and how should I fix it?

[sgzUk74r3T3BCGmRJ]

?