/[escript]/trunk/paso/src/Coupler.h
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Annotation of /trunk/paso/src/Coupler.h

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Revision 1562 - (hide annotations)
Wed May 21 13:04:40 2008 UTC (11 years, 9 months ago) by gross
File MIME type: text/plain
File size: 2382 byte(s)
The algebraic upwinding with MPI. The case of boundary constraint needs still some attention. 


1 ksteube 1313
2     /* $Id: Coupler.h 1306 2007-09-18 05:51:09Z ksteube $ */
3    
4     /*******************************************************
5     *
6     * Copyright 2003-2007 by ACceSS MNRF
7     * Copyright 2007 by University of Queensland
8     *
9     * http://esscc.uq.edu.au
10     * Primary Business: Queensland, Australia
11     * Licensed under the Open Software License version 3.0
12     * http://www.opensource.org/licenses/osl-3.0.php
13     *
14     *******************************************************/
15    
16     /**************************************************************/
17    
18     /* Paso: coupler */
19    
20     /**************************************************************/
21    
22     /* Author: gross@access.edu.au */
23    
24     /**************************************************************/
25    
26     #ifndef INC_PASO_COUPLER
27     #define INC_PASO_COUPLER
28    
29     #include "SharedComponents.h"
30     /**************************************************************/
31    
32 gross 1552 typedef struct Paso_Connector {
33    
34     Paso_SharedComponents* send;
35     Paso_SharedComponents* recv;
36     dim_t reference_counter;
37     Paso_MPIInfo *mpi_info;
38    
39     } Paso_Connector;
40 ksteube 1313 typedef struct Paso_Coupler {
41    
42     dim_t block_size;
43    
44 gross 1552 Paso_Connector* connector;
45    
46 gross 1562 double *data; /* unmanaged pointer to data be send */
47 ksteube 1313 double *send_buffer;
48     double *recv_buffer;
49     #ifdef PASO_MPI
50     MPI_Request* mpi_requests;
51     MPI_Status* mpi_stati;
52     #else
53     void* mpi_requests;
54     void* mpi_stati;
55     #endif
56    
57     dim_t reference_counter;
58     Paso_MPIInfo *mpi_info;
59    
60     } Paso_Coupler;
61    
62    
63 gross 1552 Paso_Connector* Paso_Connector_alloc(Paso_SharedComponents * send, Paso_SharedComponents* recv);
64     Paso_Connector* Paso_Connector_getReference(Paso_Connector*);
65     Paso_Connector* Paso_Connector_unroll(Paso_Connector* in, index_t block_size);
66     Paso_Connector* Paso_Connector_copy(Paso_Connector* in);
67     void Paso_Connector_free(Paso_Connector*);
68    
69     Paso_Coupler* Paso_Coupler_alloc(Paso_Connector*, dim_t blockSize);
70 ksteube 1313 Paso_Coupler* Paso_Coupler_getReference(Paso_Coupler*);
71 gross 1562 void Paso_Coupler_startCollect(Paso_Coupler* self,double* in);
72 ksteube 1313 double* Paso_Coupler_finishCollect(Paso_Coupler* self);
73 gross 1552 void Paso_Coupler_free(Paso_Coupler* in);
74 gross 1562 #define Paso_Coupler_borrowLocalData(_in_) (_in_)->data
75     #define Paso_Coupler_borrowRemoteData(_in_) (_in_)->recv_buffer
76     void Paso_Coupler_copyAll(const Paso_Coupler* src, Paso_Coupler* target);
77     dim_t Paso_Coupler_getLocalLength(const Paso_Coupler* in);
78 ksteube 1313 #endif

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