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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 | CPP_EEOPTIONS.h | |
C *==========================================================* |
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C |==========================================================| |
C | CPP\_EEOPTIONS.h | |
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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_ |
#ifndef _CPP_EEOPTIONS_H_ |
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#define _CPP_EEOPTIONS_H_ |
#define _CPP_EEOPTIONS_H_ |
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C ALWAYS - indicates the choice will be fixed at compile time |
C ALWAYS - indicates the choice will be fixed at compile time |
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C so no run-time option will be present |
C so no run-time option will be present |
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C Flag used to indicate whether Fortran formatted write |
C-- Flag used to indicate whether Fortran formatted write |
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C and read are threadsafe. On SGI the routines can be thread |
C and read are threadsafe. On SGI the routines can be thread |
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C safe, on Sun it is not possible - if you are unsure then |
C safe, on Sun it is not possible - if you are unsure then |
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C undef this option. |
C undef this option. |
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#undef FMTFTN_IO_THREADSAFE |
#undef FMTFTN_IO_THREAD_SAFE |
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C Flag used to indicate which flavour of multi-threading |
C-- Flag used to indicate whether Binary write to Local file (i.e., |
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C compiler directives to use. Only set one of these. |
C a different file for each tile) and read are thread-safe. |
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C USE_SOLARIS_THREADING - Takes directives for SUN Workshop |
#undef LOCBIN_IO_THREAD_SAFE |
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C compiler. |
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C USE_KAP_THREADING - Takes directives for Kuck and |
C-- Flag to turn off the writing of error message to ioUnit zero |
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C Associates multi-threading compiler |
#undef DISABLE_WRITE_TO_UNIT_ZERO |
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C ( used on Digital platforms ). |
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C USE_IRIX_THREADING - Takes directives for SGI MIPS |
C-- Flag turns off MPI_SEND ready_to_receive polling in the |
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C Pro Fortran compiler. |
C gather_* subroutines to speed up integrations. |
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C USE_EXEMPLAR_THREADING - Takes directives for HP SPP series |
#undef DISABLE_MPI_READY_TO_RECEIVE |
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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 do not 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_ASYNC_COMMUNICATION |
#define ALLOW_ASYNC_COMMUNICATION |
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C utilize the programmable aspect of Artic cards. |
C utilize the programmable aspect of Artic cards. |
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#undef LETS_MAKE_JAM |
#undef LETS_MAKE_JAM |
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#undef JAM_WITH_TWO_PROCS_PER_NODE |
#undef JAM_WITH_TWO_PROCS_PER_NODE |
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#ifdef LETS_MAKE_JAM |
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#define _JAMEXT _jam |
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#else |
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#define _JAMEXT |
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#endif |
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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 set size. However, on vector CRAY systems this degrades |
C set size. However, on vector CRAY systems this degrades |
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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 RS_IS_REAL8 |
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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) CALL GLOBAL_SUM_R8( a, b ) |
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#define _GLOBAL_MAX_R4(a,b) CALL GLOBAL_MAX_R8( a, b ) |
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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 RS_IS_REAL4 |
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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) CALL GLOBAL_SUM_R4( a, b ) |
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#define _GLOBAL_MAX_R4(a,b) CALL GLOBAL_MAX_R4( a, b ) |
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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) CALL GLOBAL_SUM_R8( a, b ) |
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#define _GLOBAL_MAX_R8(a,b) CALL GLOBAL_MAX_R8( a, b ) |
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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 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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#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-- Alternative formulation of BYTESWAP, faster than |
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C Sun compilers do not use 8-byte precision for literals |
C compiler flag -byteswapio on the Altix. |
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C unless .Dnn is specified. CRAY vector machines use 16-byte |
#undef FAST_BYTESWAP |
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C precision when they see .Dnn which runs very slowly! |
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#ifdef REAL_D0_IS_16BYTES |
C-- Alternative way of doing global sum without MPI allreduce call |
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#define _d |
C but instead, explicit MPI send & recv calls. |
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#define _F64( a ) a |
#undef GLOBAL_SUM_SEND_RECV |
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#endif |
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#ifndef REAL_D0_IS_16BYTES |
C-- Alternative way of doing global sum on a single CPU |
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#define _d D |
C to eliminate tiling-dependent roundoff errors. |
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#define _F64( a ) DFLOAT( a ) |
C Note: This is slow. |
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#endif |
#undef CG2D_SINGLECPU_SUM |
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#endif /* _CPP_EEOPTIONS_H_ */ |
#endif /* _CPP_EEOPTIONS_H_ */ |
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#include "CPP_EEMACROS.h" |
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