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C $Header$ |
C $Header$ |
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C $Name$ |
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CBOP |
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C !ROUTINE: CPP_EEOPTIONS.h |
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C !INTERFACE: |
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C include "CPP_EEOPTIONS.h" |
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C |
C |
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C /==========================================================\ |
C !DESCRIPTION: |
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C *==========================================================* |
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C | CPP_EEOPTIONS.h | |
C | CPP_EEOPTIONS.h | |
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C |==========================================================| |
C *==========================================================* |
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C | C preprocessor "execution environment" supporting | |
C | C preprocessor "execution environment" supporting | |
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C | flags. Use this file to set flags controlling the | |
C | flags. Use this file to set flags controlling the | |
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C | execution environment in which a model runs - as opposed | |
C | execution environment in which a model runs - as opposed | |
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C | once an experimental configuration has been | |
C | once an experimental configuration has been | |
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C | identified, rebuild the code with the appropriate | |
C | identified, rebuild the code with the appropriate | |
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C | options set at compile time. | |
C | options set at compile time. | |
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C \==========================================================/ |
C *==========================================================* |
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CEOP |
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#ifndef _CPP_EEOPTIONS_H_ |
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#define _CPP_EEOPTIONS_H_ |
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C In general the following convention applies: |
C In general the following convention applies: |
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C ALLOW - indicates an feature will be included but it may |
C ALLOW - indicates an feature will be included but it may |
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C undef this option. |
C undef this option. |
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#undef FMTFTN_IO_THREADSAFE |
#undef FMTFTN_IO_THREADSAFE |
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C Flag used to indicate which flavour of multi-threading |
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C compiler directives to use. Only set one of these. |
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C USE_SOLARIS_THREADING - Takes directives for SUN Workshop |
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C compiler. |
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C USE_KAP_THREADING - Takes directives for Kuck and |
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C Associates multi-threading compiler |
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C ( used on Digital platforms ). |
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C USE_IRIX_THREADING - Takes directives for SGI MIPS |
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C Pro Fortran compiler. |
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C USE_EXEMPLAR_THREADING - Takes directives for HP SPP series |
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C compiler. |
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C USE_C90_THREADING - Takes directives for CRAY/SGI C90 |
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C system F90 compiler. |
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#ifdef TARGET_SUN |
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#define USE_SOLARIS_THREADING |
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#endif |
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#ifdef TARGET_DEC |
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#define USE_KAP_THREADING |
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#endif |
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#ifdef TARGET_SGI |
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#define USE_IRIX_THREADING |
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#endif |
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#ifdef TARGET_HP |
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#define USE_EXEMPLAR_THREADING |
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#endif |
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#ifdef TARGET_CRAY_VECTOR |
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#define USE_C90_THREADING |
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#endif |
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C-- Define the mapping for the _BARRIER macro |
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C On some systems low-level hardware support can be accessed through |
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C compiler directives here. |
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#define _BARRIER CALL BARRIER(myThid) |
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C-- Define the mapping for the BEGIN_CRIT() and END_CRIT() macros. |
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C On some systems we simply execute this section only using the |
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C master thread i.e. its not really a critical section. We can |
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C do this because we don't use critical sections in any critical |
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C sections of our code! |
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#define _BEGIN_CRIT(a) _BEGIN_MASTER(a) |
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#define _END_CRIT(a) _END_MASTER(a) |
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C-- Define the mapping for the BEGIN_MASTER_SECTION() and |
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C END_MASTER_SECTION() macros. These are generally implemented by |
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C simply choosing a particular thread to be "the master" and have |
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C it alone execute the BEGIN_MASTER..., END_MASTER.. sections. |
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#define _BEGIN_MASTER(a) IF ( a .EQ. 1 ) THEN |
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#define _END_MASTER(a) ENDIF |
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C-- Control MPI based parallel processing |
C-- Control MPI based parallel processing |
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#undef ALLOW_USE_MPI |
CXXX We no longer select the use of MPI via this file (CPP_EEOPTIONS.h) |
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#undef ALWAYS_USE_MPI |
CXXX To use MPI, use an appropriate genmake2 options file or use |
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CXXX genmake2 -mpi . |
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CXXX #undef ALLOW_USE_MPI |
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CXXX #undef ALWAYS_USE_MPI |
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C-- Control use of communication that might overlap computation. |
C-- Control use of communication that might overlap computation. |
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C Under MPI selects/deselects "non-blocking" sends and receives. |
C Under MPI selects/deselects "non-blocking" sends and receives. |
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#define ALLOW_SYNC_COMMUNICATION |
#define ALLOW_SYNC_COMMUNICATION |
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#undef ALWAYS_USE_SYNC_COMMUNICATION |
#undef ALWAYS_USE_SYNC_COMMUNICATION |
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C-- Control use of JAM routines for Artic network |
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C These invoke optimized versions of "exchange" and "sum" that |
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C utilize the programmable aspect of Artic cards. |
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#undef LETS_MAKE_JAM |
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#undef JAM_WITH_TWO_PROCS_PER_NODE |
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C-- Control storage of floating point operands |
C-- Control storage of floating point operands |
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C On many systems it improves performance only to use |
C On many systems it improves performance only to use |
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C 8-byte precision for time stepped variables. |
C 8-byte precision for time stepped variables. |
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C performance. |
C performance. |
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#define REAL4_IS_SLOW |
#define REAL4_IS_SLOW |
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#ifdef REAL4_IS_SLOW |
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#define real Real*8 |
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#define REAL Real*8 |
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#define _RS Real*8 |
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#define _RL Real*8 |
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#define _EXCH_XY_R4(a,b) CALL EXCH_XY_R8 ( a, b ) |
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#define _EXCH_XYZ_R4(a,b) CALL EXCH_XYZ_R8 ( a, b ) |
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#define _GLOBAL_SUM_R4(a,b,c) CALL GLOBAL_SUM_R8( a, b , c) |
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#define _GLOBAL_MAX_R4(a,b,c) CALL GLOBAL_MAX_R8( a, b , c) |
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#endif |
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#ifndef REAL4_IS_SLOW |
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#define real Real*4 |
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#define REAL Real*8 |
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#define _RS Real*4 |
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#define _RL Real*8 |
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#define _EXCH_XY_R4(a,b) CALL EXCH_XY_R4 ( a, b ) |
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#define _EXCH_XYZ_R4(a,b) CALL EXCH_XYZ_R4 ( a, b ) |
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#define _GLOBAL_SUM_R4(a,b,c) CALL GLOBAL_SUM_R4( a, b , c) |
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#define _GLOBAL_MAX_R4(a,b,c) CALL GLOBAL_MAX_R4( a, b , c) |
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#endif |
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#define _EXCH_XY_R8(a,b) CALL EXCH_XY_R8 ( a, b ) |
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#define _EXCH_XYZ_R8(a,b) CALL EXCH_XYZ_R8 ( a, b ) |
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#define _GLOBAL_SUM_R8(a,b,c) CALL GLOBAL_SUM_R8( a, b , c) |
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#define _GLOBAL_MAX_R8(a,b,c) CALL GLOBAL_MAX_R8( a, b , c) |
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C-- Control use of "double" precision constants. |
C-- Control use of "double" precision constants. |
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C Use D0 where it means REAL*8 but not where it means REAL*16 |
C Use D0 where it means REAL*8 but not where it means REAL*16 |
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#define D0 d0 |
#define D0 d0 |
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#ifdef REAL_D0_IS_16BYTES |
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#define D0 |
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#endif |
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C-- Control XY periodicity in processor to grid mappings |
C-- Control XY periodicity in processor to grid mappings |
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C Note: Model code does not need to know whether a domain is |
C Note: Model code does not need to know whether a domain is |
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C periodic because it has overlap regions for every box. |
C periodic because it has overlap regions for every box. |
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C Model's simply assume that these values have been |
C Model assume that these values have been |
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C filled in some way. |
C filled in some way. |
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#undef ALWAYS_PREVENT_X_PERIODICITY |
#undef ALWAYS_PREVENT_X_PERIODICITY |
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#undef ALWAYS_PREVENT_Y_PERIODICITY |
#undef ALWAYS_PREVENT_Y_PERIODICITY |
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#define CAN_PREVENT_X_PERIODICITY |
#define CAN_PREVENT_X_PERIODICITY |
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#define CAN_PREVENT_Y_PERIODICITY |
#define CAN_PREVENT_Y_PERIODICITY |
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C-- Substitue for 1.D variables |
C-- Select the new EXCH2 (wrapper2) exchange software |
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C Sun compilers don't use 8-byte precision for literals |
C Note: this is a temporarily mis-named CPP-macro that will be renamed |
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C unless .Dnn is specified. CRAY vector machines use 16-byte |
C later. |
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C precision when they see .Dnn which runs very slowly! |
#undef USE_W2 |
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#ifdef REAL_D0_IS_16BYTES |
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#define _d |
#endif /* _CPP_EEOPTIONS_H_ */ |
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#endif |
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#ifndef REAL_D0_IS_16BYTES |
#include "CPP_EEMACROS.h" |
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#define _d D |
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#endif |
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