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=== 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 |
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 |
79 |
C-- Flag to turn off the writing of error message to ioUnit zero |
C-- Flag to turn off the writing of error message to ioUnit zero |
80 |
#undef DISABLE_WRITE_TO_UNIT_ZERO |
#undef DISABLE_WRITE_TO_UNIT_ZERO |
81 |
|
|
82 |
C-- Flag to turn on checking for errors from all threads and procs |
C-- Alternative formulation of BYTESWAP, faster than |
83 |
C (calling S/R STOP_IF_ERROR) before stopping. |
C compiler flag -byteswapio on the Altix. |
84 |
#define USE_ERROR_STOP |
#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 |
C-- Flag turns off MPI_SEND ready_to_receive polling in the |
88 |
C gather_* subroutines to speed up integrations. |
C gather_* subroutines to speed up integrations. |
89 |
#undef DISABLE_MPI_READY_TO_RECEIVE |
#undef DISABLE_MPI_READY_TO_RECEIVE |
90 |
|
|
|
C-- Control MPI based parallel processing |
|
|
CXXX We no longer select the use of MPI via this file (CPP_EEOPTIONS.h) |
|
|
CXXX To use MPI, use an appropriate genmake2 options file or use |
|
|
CXXX genmake2 -mpi . |
|
|
CXXX #undef ALLOW_USE_MPI |
|
|
CXXX #undef ALWAYS_USE_MPI |
|
|
|
|
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. |
93 |
#define ALLOW_ASYNC_COMMUNICATION |
#define ALLOW_ASYNC_COMMUNICATION |
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. |
108 |
#define CAN_PREVENT_X_PERIODICITY |
#define CAN_PREVENT_X_PERIODICITY |
109 |
#define CAN_PREVENT_Y_PERIODICITY |
#define CAN_PREVENT_Y_PERIODICITY |
110 |
|
|
|
C-- Alternative formulation of BYTESWAP, faster than |
|
|
C compiler flag -byteswapio on the Altix. |
|
|
#undef FAST_BYTESWAP |
|
|
|
|
111 |
C-- Alternative way of doing global sum without MPI allreduce call |
C-- Alternative way of doing global sum without MPI allreduce call |
112 |
C but instead, explicit MPI send & recv calls. |
C but instead, explicit MPI send & recv calls. |
113 |
#define GLOBAL_SUM_SEND_RECV |
#define GLOBAL_SUM_SEND_RECV |
117 |
C Note: This is slow. |
C Note: This is slow. |
118 |
#undef CG2D_SINGLECPU_SUM |
#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 |
|
#undef COMPONENT_MODULE |
128 |
|
|
129 |
#endif /* _CPP_EEOPTIONS_H_ */ |
#endif /* _CPP_EEOPTIONS_H_ */ |
130 |
|
|
131 |
#include "CPP_EEMACROS.h" |
#include "CPP_EEMACROS.h" |