/[MITgcm]/MITgcm/eesupp/inc/CPP_EEOPTIONS.h
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revision 1.4 by adcroft, Tue Jun 9 15:58:35 1998 UTC revision 1.6 by adcroft, Mon Jun 22 16:24:50 1998 UTC
# Line 98  C     it alone execute the BEGIN_MASTER. Line 98  C     it alone execute the BEGIN_MASTER.
98  #define _END_MASTER(a)    ENDIF  #define _END_MASTER(a)    ENDIF
99    
100  C--   Control MPI based parallel processing  C--   Control MPI based parallel processing
101  #undef  ALLOW_USE_MPI  #define ALLOW_USE_MPI
102  #undef  ALWAYS_USE_MPI  #define ALWAYS_USE_MPI
103    
104  C--   Control use of communication that might overlap computation.  C--   Control use of communication that might overlap computation.
105  C     Under MPI selects/deselects "non-blocking" sends and receives.  C     Under MPI selects/deselects "non-blocking" sends and receives.
# Line 119  C     can use 4-byte precision, reducing Line 119  C     can use 4-byte precision, reducing
119  C     boosting performance because of a smaller working  C     boosting performance because of a smaller working
120  C     set size. However, on vector CRAY systems this degrades  C     set size. However, on vector CRAY systems this degrades
121  C     performance.  C     performance.
122  #define REAL4_IS_SLOW  #undef  REAL4_IS_SLOW
123    
124  #ifdef REAL4_IS_SLOW  #ifdef REAL4_IS_SLOW
125  #define real Real*8  #define real Real*8
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