+> (0@bob) Seeking in MPI_File /scratch/testfile, setting offset 4
+> (2@bob) Seeking in MPI_File /scratch/testfile, setting offset 4
+> (2@bob) Write in MPI_File /scratch/testfile, 4 bytes written, count 1, writesize 4 bytes, movesize 4
+> (2@bob) Position after write in MPI_File /scratch/testfile : 8
+> (2@bob) Seeking in MPI_File /scratch/testfile, setting offset 8
+> (3@carl) Seeking in MPI_File /scratch/testfile, setting offset 8
+> (3@carl) Write in MPI_File /scratch/testfile, 4 bytes written, count 1, writesize 4 bytes, movesize 4
+> (3@carl) Position after write in MPI_File /scratch/testfile : 12
+> (3@carl) Seeking in MPI_File /scratch/testfile, setting offset 12
+> (1@carl) Seeking in MPI_File /scratch/testfile, setting offset 12
+> (1@carl) Write in MPI_File /scratch/testfile, 4 bytes written, count 1, writesize 4 bytes, movesize 4
+> (1@carl) Position after write in MPI_File /scratch/testfile : 16
+> (1@carl) Seeking in MPI_File /scratch/testfile, setting offset 16