Keep this information in mind when porting nonnative data:
To allow you to specify the RECL units (bytes or longwords) for unformatted files without source file modification, use the -assume byterecl compiler option.
The Fortran 90 standard (American National Standard Fortran 90, ANSI X3.198-1991, and International Standards Organization standard ISO/IEC 1539:1991), in Section 9.3.4.5, states: "If the file is being connected for unformatted input/output, the length is measured in processor-dependent units."