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C $Header: /u/gcmpack/models/MITgcmUV/eesupp/inc/EESUPPORT.h,v 1.6 2001/02/04 14:38:41 cnh Exp $ |
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C $Name: $ |
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CBOP |
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C !ROUTINE: EESUPPORT.h |
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C !INTERFACE: |
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C include "EESUPPORT.h" |
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C |
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C !DESCRIPTION: |
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C *==========================================================* |
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1.1 |
C | EESUPPORT.h | |
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1.7 |
C *==========================================================* |
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1.1 |
C | Support data structures for the MITgcm UV "execution | |
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C | environment" code. This data should be private to the | |
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C | execution environment routines. Data which needs to be | |
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1.7 |
C | accessed directly by a numerical model goes in | |
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1.1 |
C | EEPARAMS.h. | |
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1.7 |
C *==========================================================* |
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CEOP |
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1.1 |
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C ERROR_HEADER - String which prefixes error messages |
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CHARACTER*(*) ERROR_HEADER |
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PARAMETER ( ERROR_HEADER = ' *** ERROR ***' ) |
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C PROCESS_HEADER - String which prefixes processor number |
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CHARACTER*(*) PROCESS_HEADER |
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PARAMETER ( PROCESS_HEADER = 'PID.TID' ) |
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C MAX_NUM_COMM_MODES - Maximum number of communication modes |
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C COMM_NONE - No edge communication |
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C COMM_MSG - Use messages to communicate edges |
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C COMM_PUT - Use put to communicate edges |
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C COMM_GET - Use get to communicate edges |
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C Note - commName holds an identifying name for each communication |
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C mode. The COMM_ parameters are used to index commName |
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C so the COMM_ parameters need to be in the range |
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C 1 : MAX_NUM_COMM_MODES. |
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INTEGER MAX_NUM_COMM_MODES |
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PARAMETER ( MAX_NUM_COMM_MODES = 4 ) |
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INTEGER COMM_NONE |
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PARAMETER ( COMM_NONE = 1 ) |
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INTEGER COMM_MSG |
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PARAMETER ( COMM_MSG = 2 ) |
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INTEGER COMM_PUT |
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PARAMETER ( COMM_PUT = 3 ) |
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INTEGER COMM_GET |
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PARAMETER ( COMM_GET = 4 ) |
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COMMON /EESUPP_COMMNAME/ commName |
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CHARACTER*10 commName(MAX_NUM_COMM_MODES) |
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C Tile identifiers |
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C Tiles have a number that is unique over the global domain. |
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C A tile that is not there has its number set to NULL_TILE |
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INTEGER NULL_TILE |
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PARAMETER ( NULL_TILE = -1 ) |
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C-- COMMON /EESUPP_C/ Execution environment support character variables |
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C myProcessStr - String identifying my process number |
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COMMON /EESUPP_C/ myProcessStr |
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CHARACTER*128 myProcessStr |
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C-- COMMON /EESUPP_L/ Execution environment support logical variables |
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C initMPError - Flag indicating error during multi-processing |
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C initialisation. |
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C finMPError - Flag indicating error during multi-processing |
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C termination. |
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C ThError - Thread detected an error. |
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C usingMPI - Flag controlling use of MPI routines. This flag |
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C allows either MPI or threads to be used in a |
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C shared memory environment which can be a useful |
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C debugging/performance analysis tool. |
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C usingSyncMessages - Flag that causes blocking communication to be used |
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C if possible. When false non-blocking EXCH routines |
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C will be used if possible. |
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C notUsingXPeriodicity - Flag indicating no X/Y boundary wrap around |
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C notUsingYPeriodicity This affects the communication routines but |
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C is generally ignored in the numerical model |
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C code. |
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C threadIsRunning, threadIsComplete - Flags used to check for correct behaviour |
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C of multi-threaded code. |
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C threadIsRunning is used to check that the |
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C threads we need are running. This catches the |
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C situation where a program eedata file has nTthreads |
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C greater than the setenv PARALLEL or NCPUS variable. |
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C threadIsComplete is used to flag that a thread has |
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C reached the end of the model. This is used as a check to |
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C trap problems that might occur if one thread "escapes" |
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C the main.F master loop. This should not happen |
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C if the multi-threading compilation tools works right. |
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C But (see for example KAP) this is not always the case! |
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C printMapIncludesZeros - Flag that controls whether character constant map code ignores |
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C exact zero values. |
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COMMON /EESUPP_L/ thError, threadIsRunning, threadIsComplete, |
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& allMyEdgesAreSharedMemory, usingMPI, usingSyncMessages, |
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& notUsingXPeriodicity, notUsingYPeriodicity, |
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& printMapIncludesZeros |
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LOGICAL thError(MAX_NO_THREADS) |
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LOGICAL threadIsRunning(MAX_NO_THREADS) |
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LOGICAL threadIsComplete(MAX_NO_THREADS) |
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LOGICAL allMyEdgesAreSharedMemory(MAX_NO_THREADS) |
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LOGICAL usingMPI |
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LOGICAL usingSyncMessages |
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LOGICAL notUsingXPeriodicity |
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LOGICAL notUsingYPeriodicity |
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LOGICAL printMapIncludesZeros |
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C-- COMMON /EESUPP_I/ Parallel support integer globals |
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C pidW - Process ID of neighbor to West |
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C pidE - ditto East |
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C pidN - ditto North |
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C pidS - ditto South |
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C Note: pid[XY] is not necessairily the UNIX |
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C process id - it is just an identifying |
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C number. |
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1.4 |
C myPid - My own process id |
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C nProcs - Number of processes |
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C westCommunicationMode - Mode of communication for each tile face |
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C eastCommunicationMode |
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C northCommunicationMode |
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C southCommunicationMode |
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C bi0 - Low cartesian tile index for this process |
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C bj0 Note - In a tile distribution with holes bi0 and bj0 |
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C are not useful. Neighboring tile indices must |
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C be derived some other way. |
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C tileNo - Tile identification number for my tile and |
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C tileNo[WENS] my N,S,E,W neighbor tiles. |
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C tilePid[WENS] - Process identification number for |
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C my N,S,E,W neighbor tiles. |
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C nTx, nTy - No. threads in X and Y. This assumes a simple |
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C cartesian gridding of the threads which is not |
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C required elsewhere but that makes it easier. |
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COMMON /EESUPP_I/ |
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& myPid, nProcs, pidW, pidE, pidN, pidS, |
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& tileCommModeW, tileCommModeE, |
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& tileCommModeN, tileCommModeS, |
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& tileNo, tileNoW, tileNoE, tileNoS, tileNoN, |
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& tilePidW, tilePidE, tilePidS, tilePidN, |
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& tileBiW, tileBiE, tileBiS, tileBiN, |
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& tileBjW, tileBjE, tileBjS, tileBjN, |
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& tileTagSendW, tileTagSendE, tileTagSendS, tileTagSendN, |
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& tileTagRecvW, tileTagRecvE, tileTagRecvS, tileTagRecvN |
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INTEGER myPid |
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INTEGER nProcs |
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1.1 |
INTEGER pidW |
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INTEGER pidE |
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INTEGER pidN |
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INTEGER pidS |
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INTEGER tileCommModeW ( nSx, nSy ) |
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INTEGER tileCommModeE ( nSx, nSy ) |
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INTEGER tileCommModeN ( nSx, nSy ) |
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INTEGER tileCommModeS ( nSx, nSy ) |
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INTEGER tileNo( nSx, nSy ) |
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INTEGER tileNoW( nSx, nSy ) |
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INTEGER tileNoE( nSx, nSy ) |
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INTEGER tileNoN( nSx, nSy ) |
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INTEGER tileNoS( nSx, nSy ) |
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INTEGER tilePidW( nSx, nSy ) |
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INTEGER tilePidE( nSx, nSy ) |
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INTEGER tilePidN( nSx, nSy ) |
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INTEGER tilePidS( nSx, nSy ) |
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INTEGER tileBiW( nSx, nSy ) |
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INTEGER tileBiE( nSx, nSy ) |
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INTEGER tileBiN( nSx, nSy ) |
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INTEGER tileBiS( nSx, nSy ) |
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INTEGER tileBjW( nSx, nSy ) |
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INTEGER tileBjE( nSx, nSy ) |
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INTEGER tileBjN( nSx, nSy ) |
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INTEGER tileBjS( nSx, nSy ) |
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INTEGER tileTagSendW( nSx, nSy ) |
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INTEGER tileTagSendE( nSx, nSy ) |
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INTEGER tileTagSendN( nSx, nSy ) |
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INTEGER tileTagSendS( nSx, nSy ) |
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INTEGER tileTagRecvW( nSx, nSy ) |
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INTEGER tileTagRecvE( nSx, nSy ) |
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INTEGER tileTagRecvN( nSx, nSy ) |
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INTEGER tileTagRecvS( nSx, nSy ) |
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#ifdef ALLOW_USE_MPI |
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C-- Include MPI standard Fortran header file |
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#include "mpif.h" |
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#define _mpiTRUE_ 1 |
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#define _mpiFALSE_ 0 |
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C-- COMMON /EESUPP_MPI_I/ MPI parallel support integer globals |
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C mpiPidW - MPI process id for west neighbor. |
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C mpiPidE - MPI process id for east neighbor. |
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C mpiPidN - MPI process id for north neighbor. |
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C mpiPidS - MPI process id for south neighbor. |
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C mpiPidNW - MPI process id for northwest neighbor. |
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C mpiPidNE - MPI process id for northeast neighbor. |
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C mpiPidSW - MPI process id for southwest neighbor. |
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C mpiPidSE - MPI process id for southeast neighbor. |
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C mpiPidIO - MPI process to use for IO. |
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C mpiNprocs - No. of MPI processes. |
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C mpiMyId - MPI process id of me. |
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C mpiComm - MPI communicator to use. |
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C mpiPx - My MPI proc. grid X coord |
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C mpiPy - My MPI proc. grid Y coord |
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C mpiXGlobalLo - My bottom-left (south-west) x-coordinate in |
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C global domain. |
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C mpiYGlobalLo - My bottom-left (south-west) y-coordinate in |
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C global domain. |
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C mpiTypeXFaceBlock_xy_r4 - Primitives for communicating edge |
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C mpiTypeXFaceBlock_xy_r8 of a block. |
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C mpiTypeYFaceBlock_xy_r4 XFace is used in east-west transfer |
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C mpiTypeYFaceBlock_xy_r8 YFace is used in nrth-south transfer |
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C mpiTypeXFaceBlock_xyz_r4 xy is used in two-dimensional arrays |
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C mpiTypeXFaceBlock_xyz_r8 xyz is used with three-dimensional arrays |
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C mpiTypeYFaceBlock_xyz_r4 r4 is used for real*4 data |
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C mpiTypeYFaceBlock_xyz_r8 r8 is used for real*8 data |
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C mpiTypeXFaceThread_xy_r4 - Composites of the above primitives |
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C mpiTypeXFaceThread_xy_r8 for communicating edges of all blocks |
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C mpiTypeYFaceThread_xy_r4 owned by a thread. |
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C mpiTypeYFaceThread_xy_r8 |
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C mpiTypeXFaceThread_xyz_r4 |
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C mpiTypeXFaceThread_xyz_r8 |
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C mpiTypeYFaceThread_xyz_r4 |
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C mpiTypeYFaceBlock_xyz_r8 |
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C mpiTagE - Tags are needed to mark requests when MPI is running |
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C mpiTagW between multithreaded processes or when the same process. |
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C mpiTagS is a neighbor in more than one direction. The tags ensure that |
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C mpiTagN a thread will get the message it is looking for. |
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C mpiTagSW The scheme adopted is to tag messages according to |
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C mpiTagSE the direction they are travelling. Thus a message |
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C mpiTagNW travelling east is tagged mpiTagE. However, in a |
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C mpiTagNE multi-threaded environemnt several messages could |
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C be travelling east from the same process at the |
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C same time. The tag is therefore modified to |
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C be mpiTag[EWS...]*nThreads+myThid. This requires that |
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C each thread also know the thread ids of its "neighbor" |
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C threads. |
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COMMON /EESUPP_MPI_I/ |
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& mpiPidW, mpiPidE, mpiPidS, mpiPidN, |
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& mpiPidSE, mpiPidSW, mpiPidNE, mpiPidNW, |
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& mpiPidIo, mpiMyId, mpiNProcs, mpiComm, |
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& mpiPx, mpiPy, mpiXGlobalLo, mpiYGlobalLo, |
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& mpiTypeXFaceBlock_xy_r4, mpiTypeXFaceBlock_xy_r8, |
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& mpiTypeYFaceBlock_xy_r4, mpiTypeYFaceBlock_xy_r8, |
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& mpiTypeXFaceBlock_xyz_r4, mpiTypeXFaceBlock_xyz_r8, |
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& mpiTypeYFaceBlock_xyz_r4, mpiTypeYFaceBlock_xyz_r8, |
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& mpiTypeXFaceThread_xy_r4, mpiTypeXFaceThread_xy_r8, |
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& mpiTypeYFaceThread_xy_r4, mpiTypeYFaceThread_xy_r8, |
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& mpiTypeXFaceThread_xyz_r4, mpiTypeXFaceThread_xyz_r8, |
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& mpiTypeYFaceThread_xyz_r4, mpiTypeYFaceThread_xyz_r8, |
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& mpiTagE, mpiTagW, mpiTagN, mpiTagS, |
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& mpiTagSE, mpiTagSW, mpiTagNW, mpiTagNE |
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INTEGER mpiPidW |
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INTEGER mpiPidE |
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INTEGER mpiPidS |
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INTEGER mpiPidN |
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INTEGER mpiPidSW |
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INTEGER mpiPidSE |
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INTEGER mpiPidNW |
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INTEGER mpiPidNE |
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INTEGER mpiPidIO |
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INTEGER mpiMyId |
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INTEGER mpiNProcs |
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INTEGER mpiComm |
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INTEGER mpiPx |
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INTEGER mpiPy |
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INTEGER mpiXGlobalLo |
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INTEGER mpiYGlobalLo |
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INTEGER mpiTypeXFaceBlock_xy_r4 |
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INTEGER mpiTypeXFaceBlock_xy_r8 |
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INTEGER mpiTypeYFaceBlock_xy_r4 |
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INTEGER mpiTypeYFaceBlock_xy_r8 |
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INTEGER mpiTypeXFaceBlock_xyz_r4 |
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INTEGER mpiTypeXFaceBlock_xyz_r8 |
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INTEGER mpiTypeYFaceBlock_xyz_r4 |
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INTEGER mpiTypeYFaceBlock_xyz_r8 |
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INTEGER mpiTypeXFaceThread_xy_r4(MAX_NO_THREADS) |
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INTEGER mpiTypeXFaceThread_xy_r8(MAX_NO_THREADS) |
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INTEGER mpiTypeYFaceThread_xy_r4(MAX_NO_THREADS) |
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INTEGER mpiTypeYFaceThread_xy_r8(MAX_NO_THREADS) |
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INTEGER mpiTypeXFaceThread_xyz_r4(MAX_NO_THREADS) |
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INTEGER mpiTypeXFaceThread_xyz_r8(MAX_NO_THREADS) |
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INTEGER mpiTypeYFaceThread_xyz_r4(MAX_NO_THREADS) |
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INTEGER mpiTypeYFaceThread_xyz_r8(MAX_NO_THREADS) |
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INTEGER mpiTagNW |
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INTEGER mpiTagNE |
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INTEGER mpiTagSW |
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INTEGER mpiTagSE |
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INTEGER mpiTagW |
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INTEGER mpiTagE |
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INTEGER mpiTagN |
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INTEGER mpiTagS |
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adcroft |
1.5 |
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C MPI communicator describing this model realization |
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COMMON /MPI_COMMS/ |
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& MPI_COMM_MODEL |
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INTEGER MPI_COMM_MODEL |
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cnh |
1.1 |
#endif /* ALLOW_USE_MPI */ |
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