| 46 |
C ALWAYS - indicates the choice will be fixed at compile time |
C ALWAYS - indicates the choice will be fixed at compile time |
| 47 |
C so no run-time option will be present |
C so no run-time option will be present |
| 48 |
|
|
| 49 |
C Flag used to indicate whether Fortran formatted write |
C=== Macro related options === |
| 50 |
|
C-- Control storage of floating point operands |
| 51 |
|
C On many systems it improves performance only to use |
| 52 |
|
C 8-byte precision for time stepped variables. |
| 53 |
|
C Constant in time terms ( geometric factors etc.. ) |
| 54 |
|
C can use 4-byte precision, reducing memory utilisation and |
| 55 |
|
C boosting performance because of a smaller working set size. |
| 56 |
|
C However, on vector CRAY systems this degrades performance. |
| 57 |
|
C Enable to switch REAL4_IS_SLOW from genmake2 (with LET_RS_BE_REAL4): |
| 58 |
|
#ifdef LET_RS_BE_REAL4 |
| 59 |
|
#undef REAL4_IS_SLOW |
| 60 |
|
#else /* LET_RS_BE_REAL4 */ |
| 61 |
|
#define REAL4_IS_SLOW |
| 62 |
|
#endif /* LET_RS_BE_REAL4 */ |
| 63 |
|
|
| 64 |
|
C-- Control use of "double" precision constants. |
| 65 |
|
C Use D0 where it means REAL*8 but not where it means REAL*16 |
| 66 |
|
#define D0 d0 |
| 67 |
|
|
| 68 |
|
C=== IO related options === |
| 69 |
|
C-- Flag used to indicate whether Fortran formatted write |
| 70 |
C and read are threadsafe. On SGI the routines can be thread |
C and read are threadsafe. On SGI the routines can be thread |
| 71 |
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 |
| 72 |
C undef this option. |
C undef this option. |
| 73 |
#undef FMTFTN_IO_THREADSAFE |
#undef FMTFTN_IO_THREAD_SAFE |
| 74 |
|
|
| 75 |
C-- Control MPI based parallel processing |
C-- Flag used to indicate whether Binary write to Local file (i.e., |
| 76 |
CXXX We no longer select the use of MPI via this file (CPP_EEOPTIONS.h) |
C a different file for each tile) and read are thread-safe. |
| 77 |
CXXX To use MPI, use an appropriate genmake2 options file or use |
#undef LOCBIN_IO_THREAD_SAFE |
| 78 |
CXXX genmake2 -mpi . |
|
| 79 |
CXXX #undef ALLOW_USE_MPI |
C-- Flag to turn off the writing of error message to ioUnit zero |
| 80 |
CXXX #undef ALWAYS_USE_MPI |
#undef DISABLE_WRITE_TO_UNIT_ZERO |
| 81 |
|
|
| 82 |
C-- Control use of communication with other component: |
C-- Alternative formulation of BYTESWAP, faster than |
| 83 |
C allow to import and export from/to Coupler interface. |
C compiler flag -byteswapio on the Altix. |
| 84 |
#define COMPONENT_MODULE |
#undef FAST_BYTESWAP |
| 85 |
|
|
| 86 |
|
C=== MPI, EXCH and GLOBAL_SUM related options === |
| 87 |
|
C-- Flag turns off MPI_SEND ready_to_receive polling in the |
| 88 |
|
C gather_* subroutines to speed up integrations. |
| 89 |
|
#undef DISABLE_MPI_READY_TO_RECEIVE |
| 90 |
|
|
| 91 |
C-- Control use of communication that might overlap computation. |
C-- Control use of communication that might overlap computation. |
| 92 |
C Under MPI selects/deselects "non-blocking" sends and receives. |
C Under MPI selects/deselects "non-blocking" sends and receives. |
| 98 |
#define ALLOW_SYNC_COMMUNICATION |
#define ALLOW_SYNC_COMMUNICATION |
| 99 |
#undef ALWAYS_USE_SYNC_COMMUNICATION |
#undef ALWAYS_USE_SYNC_COMMUNICATION |
| 100 |
|
|
|
C-- Control use of JAM routines for Artic network |
|
|
C These invoke optimized versions of "exchange" and "sum" that |
|
|
C utilize the programmable aspect of Artic cards. |
|
|
#undef LETS_MAKE_JAM |
|
|
#undef JAM_WITH_TWO_PROCS_PER_NODE |
|
|
|
|
|
C-- Control storage of floating point operands |
|
|
C On many systems it improves performance only to use |
|
|
C 8-byte precision for time stepped variables. |
|
|
C Constant in time terms ( geometric factors etc.. ) |
|
|
C can use 4-byte precision, reducing memory utilisation and |
|
|
C boosting performance because of a smaller working |
|
|
C set size. However, on vector CRAY systems this degrades |
|
|
C performance. |
|
|
#define REAL4_IS_SLOW |
|
|
|
|
|
C-- Control use of "double" precision constants. |
|
|
C Use D0 where it means REAL*8 but not where it means REAL*16 |
|
|
#define D0 d0 |
|
|
|
|
| 101 |
C-- Control XY periodicity in processor to grid mappings |
C-- Control XY periodicity in processor to grid mappings |
| 102 |
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 |
| 103 |
C periodic because it has overlap regions for every box. |
C periodic because it has overlap regions for every box. |
| 104 |
C Model assume that these values have been |
C Model assume that these values have been |
| 105 |
C filled in some way. |
C filled in some way. |
| 108 |
#define CAN_PREVENT_X_PERIODICITY |
#define CAN_PREVENT_X_PERIODICITY |
| 109 |
#define CAN_PREVENT_Y_PERIODICITY |
#define CAN_PREVENT_Y_PERIODICITY |
| 110 |
|
|
| 111 |
|
C-- Alternative way of doing global sum without MPI allreduce call |
| 112 |
|
C but instead, explicit MPI send & recv calls. |
| 113 |
|
#undef GLOBAL_SUM_SEND_RECV |
| 114 |
|
|
| 115 |
|
C-- Alternative way of doing global sum on a single CPU |
| 116 |
|
C to eliminate tiling-dependent roundoff errors. |
| 117 |
|
C Note: This is slow. |
| 118 |
|
#undef CG2D_SINGLECPU_SUM |
| 119 |
|
|
| 120 |
|
C=== Other options (to add/remove pieces of code) === |
| 121 |
|
C-- Flag to turn on checking for errors from all threads and procs |
| 122 |
|
C (calling S/R STOP_IF_ERROR) before stopping. |
| 123 |
|
#define USE_ERROR_STOP |
| 124 |
|
|
| 125 |
|
C-- Control use of communication with other component: |
| 126 |
|
C allow to import and export from/to Coupler interface. |
| 127 |
|
#define COMPONENT_MODULE |
| 128 |
|
|
| 129 |
#endif /* _CPP_EEOPTIONS_H_ */ |
#endif /* _CPP_EEOPTIONS_H_ */ |
| 130 |
|
|
| 131 |
#include "CPP_EEMACROS.h" |
#include "CPP_EEMACROS.h" |
| 132 |
|
|
Parent Directory
| 
Revision Log
| 
Revision Graph
| 
Patch