/[escript]/trunk/finley/src/ElementFile_optimizeDistribution.c
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Annotation of /trunk/finley/src/ElementFile_optimizeDistribution.c

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Revision 123 - (hide annotations)
Fri Jul 8 04:08:13 2005 UTC (14 years, 4 months ago) by jgs
Original Path: trunk/esys2/finley/src/finleyC/ElementFile_optimizeDistribution.c
File MIME type: text/plain
File size: 3192 byte(s)
Merge of development branch back to main trunk on 2005-07-08

1 jgs 82 /* $Id$ */
2     /**************************************************************/
3     /* */
4     /* Finley: ElementFile */
5     /* */
6     /* reorders the elements in the element file such that the elements are stored close to the nodes */
7     /* */
8     /**************************************************************/
9    
10     /* Copyrights by ACcESS Australia 2003/04 */
11     /* Author: gross@access.edu.au */
12     /* Version: $Id$ */
13    
14     /**************************************************************/
15    
16     #include "Finley.h"
17     #include "Util.h"
18     #include "ElementFile.h"
19    
20     /**************************************************************/
21    
22     void Finley_ElementFile_optimizeDistribution(Finley_ElementFile** in) {
23     Finley_Util_ValueAndIndex* item_list=NULL;
24     Finley_ElementFile* out=NULL;
25 jgs 123 dim_t e,i;
26     index_t *index=NULL;
27 jgs 82
28     if (*in != NULL) {
29     if ((*in)->numElements<1) return;
30 jgs 123 dim_t NN=(*in)->ReferenceElement->Type->numNodes;
31 jgs 102 item_list=TMPMEMALLOC((*in)->numElements,Finley_Util_ValueAndIndex);
32 jgs 123 index=TMPMEMALLOC((*in)->numElements,index_t);
33 jgs 82 if (! (Finley_checkPtr(item_list) || Finley_checkPtr(index)) ) {
34     out=Finley_ElementFile_alloc((*in)->ReferenceElement->Type->TypeId,(*in)->order);
35     if (Finley_ErrorCode==NO_ERROR) {
36     Finley_ElementFile_allocTable(out,(*in)->numElements);
37     if (Finley_ErrorCode==NO_ERROR) {
38     #pragma omp parallel for private(e,i) schedule(static)
39     for (e=0;e<(*in)->numElements;e++) {
40     item_list[e].index=e;
41     item_list[e].value=(*in)->Nodes[INDEX2(0,e,NN)];
42     for (i=1;i<NN;i++) item_list[e].value=MIN(item_list[e].value,(*in)->Nodes[INDEX2(i,e,NN)]);
43     }
44     Finley_Util_sortValueAndIndex((*in)->numElements,item_list);
45     #pragma omp parallel for private(e) schedule(static)
46     for (e=0;e<(*in)->numElements;e++) index[e]=item_list[e].index;
47     Finley_ElementFile_gather(index,*in,out);
48     Finley_ElementFile_dealloc(*in);
49     *in=out;
50     } else {
51     Finley_ElementFile_dealloc(out);
52     }
53     }
54     }
55     TMPMEMFREE(item_list);
56     TMPMEMFREE(index);
57     }
58     }
59     /*
60     * $Log$
61 jgs 123 * Revision 1.5 2005/07/08 04:07:50 jgs
62     * Merge of development branch back to main trunk on 2005-07-08
63     *
64 jgs 102 * Revision 1.4 2004/12/15 07:08:32 jgs
65 jgs 97 * *** empty log message ***
66 jgs 123 * Revision 1.1.1.1.2.2 2005/06/29 02:34:50 gross
67     * some changes towards 64 integers in finley
68 jgs 82 *
69 jgs 123 * Revision 1.1.1.1.2.1 2004/11/24 01:37:13 gross
70     * some changes dealing with the integer overflow in memory allocation. Finley solves 4M unknowns now
71 jgs 97 *
72 jgs 82 *
73 jgs 123 *
74 jgs 82 */

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