/[escript]/trunk/finley/src/Assemble_integrate.c
ViewVC logotype

Contents of /trunk/finley/src/Assemble_integrate.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 853 - (show annotations)
Wed Sep 20 05:56:36 2006 UTC (13 years, 1 month ago) by gross
File MIME type: text/plain
File size: 5285 byte(s)
some performance problems wit openmp fixed.
1 /*
2 ************************************************************
3 * Copyright 2006 by ACcESS MNRF *
4 * *
5 * http://www.access.edu.au *
6 * Primary Business: Queensland, Australia *
7 * Licensed under the Open Software License version 3.0 *
8 * http://www.opensource.org/licenses/osl-3.0.php *
9 * *
10 ************************************************************
11 */
12
13 /**************************************************************/
14
15 /* assemblage routines: integrates data on quadrature points */
16
17 /**************************************************************/
18
19 /* Copyrights by ACcESS Australia 2003,2004,2005 */
20 /* Author: gross@access.edu.au */
21 /* version: $Id$ */
22
23 /**************************************************************/
24
25 #include "Assemble.h"
26 #include "Util.h"
27 #ifdef _OPENMP
28 #include <omp.h>
29 #endif
30
31 /**************************************************************/
32
33 void Finley_Assemble_integrate(Finley_NodeFile* nodes, Finley_ElementFile* elements,escriptDataC* data,double* out) {
34 type_t datacase;
35 index_t node_offset;
36 bool_t reducedIntegrationOrder;
37 if (nodes==NULL || elements==NULL) return;
38 type_t data_type=getFunctionSpaceType(data);
39 dim_t numComps=getDataPointSize(data);
40 Finley_resetError();
41
42 /* set some parameter */
43
44 if (data_type==FINLEY_ELEMENTS) {
45 reducedIntegrationOrder=FALSE;
46 } else if (data_type==FINLEY_FACE_ELEMENTS) {
47 reducedIntegrationOrder=FALSE;
48 } else if (data_type==FINLEY_CONTACT_ELEMENTS_1) {
49 reducedIntegrationOrder=FALSE;
50 } else if (data_type==FINLEY_CONTACT_ELEMENTS_2) {
51 reducedIntegrationOrder=FALSE;
52 } else {
53 Finley_setError(TYPE_ERROR,"Finley_Assemble_integrate: integration of data is not possible.");
54 }
55
56 /* get access to jacobean */
57 Finley_ElementFile_Jacobeans* jac=Finley_ElementFile_borrowJacobeans(elements,nodes,FALSE,reducedIntegrationOrder);
58
59 if (Finley_noError()) {
60
61 /* check the shape of the data */
62 if (! numSamplesEqual(data,jac->ReferenceElement->numQuadNodes,elements->numElements)) {
63 Finley_setError(TYPE_ERROR,"Finley_Assemble_integrate: illegal number of samples of integrant kernel Data object");
64 }
65
66
67 /* now we can start */
68
69 if (Finley_noError()) {
70 dim_t q,e,i;
71 double *out_local=NULL, rtmp,*data_array=NULL;
72 for (q=0;q<numComps;q++) out[q]=0;
73 #pragma omp parallel private(q,i,rtmp,data_array,out_local)
74 {
75 out_local=THREAD_MEMALLOC(numComps,double);
76 if (! Finley_checkPtr(out_local) ) {
77 /* initialize local result */
78
79 for (i=0;i<numComps;i++) out_local[i]=0;
80
81 /* open the element loop */
82
83 if (isExpanded(data)) {
84 #pragma omp for private(e) schedule(static)
85 for(e=0;e<elements->numElements;e++) {
86 data_array=getSampleData(data,e);
87 for (q=0;q<jac->ReferenceElement->numQuadNodes;q++) {
88 for (i=0;i<numComps;i++) out_local[i]+=data_array[INDEX2(i,q,numComps)]*jac->volume[INDEX2(q,e,jac->ReferenceElement->numQuadNodes)];
89 }
90 }
91 } else {
92 #pragma omp for private(e) schedule(static)
93 for(e=0;e<elements->numElements;e++) {
94 data_array=getSampleData(data,e);
95 rtmp=0.;
96 for (q=0;q<jac->ReferenceElement->numQuadNodes;q++) rtmp+=jac->volume[INDEX2(q,e,jac->ReferenceElement->numQuadNodes)];
97 for (i=0;i<numComps;i++) out_local[i]+=data_array[i]*rtmp;
98 }
99 }
100 /* add local results to global result */
101 #pragma omp critical
102 for (i=0;i<numComps;i++) out[i]+=out_local[i];
103 }
104 THREAD_MEMFREE(out_local);
105 }
106 }
107 }
108 }
109
110 /*
111 * $Log$
112 * Revision 1.6 2005/09/15 03:44:21 jgs
113 * Merge of development branch dev-02 back to main trunk on 2005-09-15
114 *
115 * Revision 1.5.2.1 2005/09/07 06:26:18 gross
116 * the solver from finley are put into the standalone package paso now
117 *
118 * Revision 1.5 2005/07/08 04:07:48 jgs
119 * Merge of development branch back to main trunk on 2005-07-08
120 *
121 * Revision 1.4 2004/12/15 07:08:32 jgs
122 * *** empty log message ***
123 * Revision 1.1.1.1.2.2 2005/06/29 02:34:48 gross
124 * some changes towards 64 integers in finley
125 *
126 * Revision 1.1.1.1.2.1 2004/11/24 01:37:12 gross
127 * some changes dealing with the integer overflow in memory allocation. Finley solves 4M unknowns now
128 *
129 *
130 *
131 */

Properties

Name Value
svn:eol-style native
svn:keywords Author Date Id Revision

  ViewVC Help
Powered by ViewVC 1.1.26