/[MITgcm]/MITgcm/eesupp/inc/CPP_EEOPTIONS.h
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revision 1.12 by adcroft, Fri May 21 21:57:44 1999 UTC revision 1.13 by adcroft, Tue Mar 14 16:16:01 2000 UTC
# Line 111  C     Under MPI selects/deselects "block Line 111  C     Under MPI selects/deselects "block
111  #define ALLOW_SYNC_COMMUNICATION  #define ALLOW_SYNC_COMMUNICATION
112  #undef  ALWAYS_USE_SYNC_COMMUNICATION  #undef  ALWAYS_USE_SYNC_COMMUNICATION
113    
114    C--   Control use of JAM routines for Artic network
115    C     These invoke optimized versions of "exchange" and "sum" that
116    C     utilize the programmable aspect of Artic cards.
117    #undef  LETS_MAKE_JAM
118    #undef  JAM_WITH_TWO_PROCS_PER_NODE
119    #ifdef LETS_MAKE_JAM
120    #define _JAMEXT _jam
121    #else
122    #define _JAMEXT
123    #endif
124    
125  C--   Control storage of floating point operands  C--   Control storage of floating point operands
126  C     On many systems it improves performance only to use  C     On many systems it improves performance only to use
127  C     8-byte precision for time stepped variables.  C     8-byte precision for time stepped variables.
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