/INTEGER_SIZE=n D=/INTEGER_SIZE=32

 /INTEGER_SIZE

 Controls how the compiler interprets INTEGER or LOGICAL
 declarations that do not have a specified length.  The default is
 /INTEGER_SIZE=32.

 You can specify the following values:

 /INTEGER=16    INTEGER declarations are interpreted 
                as INTEGER(KIND=2) and LOGICAL declarations
                as LOGICAL(KIND=2).  This is the same as
                the obsolete /NOI4 qualifier.

 /INTEGER=32    INTEGER declarations are interpreted 
                as INTEGER(KIND=4) and LOGICAL declarations
                as LOGICAL(KIND=4).  This is the same as
                the obsolete /I4 qualifier.

 /INTEGER=64    INTEGER declarations are interpreted 
                as INTEGER(KIND=8) and LOGICAL declarations
                as LOGICAL(KIND=8).

 You must explicitly declare INTEGER(KIND=1) data.

                                NOTE

         To improve performance, use /INTEGER_SIZE=32 rather
         than  /INTEGER_SIZE=16  and  declare  variables  as
         INTEGER(KIND=4) (or  INTEGER(KIND=8))  rather  than
         INTEGER(KIND=2)  or  INTEGER(KIND=1).   For logical
         data,  avoid  using  /INTEGER_SIZE=16  and  declare
         logical  variables  as  LOGICAL(KIND=4) rather than
         LOGICAL(KIND=2) or LOGICAL(KIND=1).