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

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Revision 1811 - (show annotations)
Thu Sep 25 23:11:13 2008 UTC (11 years, 1 month ago) by ksteube
File MIME type: text/plain
File size: 2307 byte(s)
Copyright updated in all files

1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2008 by University of Queensland
5 * Earth Systems Science Computational Center (ESSCC)
6 * http://www.uq.edu.au/esscc
7 *
8 * Primary Business: Queensland, Australia
9 * Licensed under the Open Software License version 3.0
10 * http://www.opensource.org/licenses/osl-3.0.php
11 *
12 *******************************************************/
13
14
15 /**************************************************************/
16
17 /* Paso: coupler */
18
19 /**************************************************************/
20
21 /* Author: gross@access.edu.au */
22
23 /**************************************************************/
24
25 #ifndef INC_PASO_COUPLER
26 #define INC_PASO_COUPLER
27
28 #include "SharedComponents.h"
29 /**************************************************************/
30
31 typedef struct Paso_Connector {
32
33 Paso_SharedComponents* send;
34 Paso_SharedComponents* recv;
35 dim_t reference_counter;
36 Paso_MPIInfo *mpi_info;
37
38 } Paso_Connector;
39 typedef struct Paso_Coupler {
40
41 dim_t block_size;
42
43 Paso_Connector* connector;
44
45 double *data; /* unmanaged pointer to data be send */
46 double *send_buffer;
47 double *recv_buffer;
48 #ifdef PASO_MPI
49 MPI_Request* mpi_requests;
50 MPI_Status* mpi_stati;
51 #else
52 void* mpi_requests;
53 void* mpi_stati;
54 #endif
55
56 dim_t reference_counter;
57 Paso_MPIInfo *mpi_info;
58
59 } Paso_Coupler;
60
61
62 Paso_Connector* Paso_Connector_alloc(Paso_SharedComponents * send, Paso_SharedComponents* recv);
63 Paso_Connector* Paso_Connector_getReference(Paso_Connector*);
64 Paso_Connector* Paso_Connector_unroll(Paso_Connector* in, index_t block_size);
65 Paso_Connector* Paso_Connector_copy(Paso_Connector* in);
66 void Paso_Connector_free(Paso_Connector*);
67
68 Paso_Coupler* Paso_Coupler_alloc(Paso_Connector*, dim_t blockSize);
69 Paso_Coupler* Paso_Coupler_getReference(Paso_Coupler*);
70 void Paso_Coupler_startCollect(Paso_Coupler* self,const double* in);
71 double* Paso_Coupler_finishCollect(Paso_Coupler* self);
72 void Paso_Coupler_free(Paso_Coupler* in);
73 #define Paso_Coupler_borrowLocalData(_in_) (_in_)->data
74 #define Paso_Coupler_borrowRemoteData(_in_) (_in_)->recv_buffer
75 void Paso_Coupler_copyAll(const Paso_Coupler* src, Paso_Coupler* target);
76 dim_t Paso_Coupler_getLocalLength(const Paso_Coupler* in);
77 #endif

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