/[escript]/branches/domexper/dudley/src/Assemble_PDE_Single2_1D.c
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Annotation of /branches/domexper/dudley/src/Assemble_PDE_Single2_1D.c

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Revision 853 - (hide annotations)
Wed Sep 20 05:56:36 2006 UTC (12 years, 7 months ago) by gross
Original Path: trunk/finley/src/Assemble_PDE_Single2_1D.c
File MIME type: text/plain
File size: 12039 byte(s)
some performance problems wit openmp fixed.
1 gross 798 /*
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 1.0 *
8     * http://www.opensource.org/licenses/osl-3.0.php *
9     * *
10     ************************************************************
11     */
12    
13     /**************************************************************/
14    
15     /* assembles the system of numEq PDEs into the stiffness matrix S right hand side F */
16     /* the shape functions for test and solution must be identical */
17    
18    
19     /* -(A_{i,j} u_,j)_i-(B_{i} u)_i+C_{j} u_,j-D u_m and -(X_,i)_i + Y */
20    
21     /* in a 1D domain. The shape functions for test and solution must be identical */
22     /* and row_NS == row_NN */
23    
24     /* Shape of the coefficients: */
25    
26     /* A = 1 x 1 */
27     /* B = 1 */
28     /* C = 1 */
29     /* D = scalar */
30     /* X = 1 */
31     /* Y = scalar */
32    
33    
34     /**************************************************************/
35    
36     /* Author: gross@access.edu.au */
37     /* Version: $Id:$ */
38    
39     /**************************************************************/
40    
41    
42     #include "Assemble.h"
43     #include "Util.h"
44 gross 853 #ifdef _OPENMP
45     #include <omp.h>
46     #endif
47 gross 798
48 gross 853
49 gross 798 /**************************************************************/
50    
51     void Finley_Assemble_PDE_Single2_1D(Assemble_Parameters p, Finley_ElementFile* elements,
52     Paso_SystemMatrix* Mat, escriptDataC* F,
53     escriptDataC* A, escriptDataC* B, escriptDataC* C, escriptDataC* D, escriptDataC* X, escriptDataC* Y) {
54    
55     #define DIM 1
56     index_t color;
57     dim_t e;
58 gross 853 double *EM_S, *EM_F, *Vol, *DSDX, *A_p, *B_p, *C_p, *D_p, *X_p, *Y_p;
59     index_t *row_index;
60     register dim_t q, s,r;
61     register double rtmp;
62     bool_t add_EM_F, add_EM_S;
63    
64 gross 798 bool_t extendedA=isExpanded(A);
65     bool_t extendedB=isExpanded(B);
66     bool_t extendedC=isExpanded(C);
67     bool_t extendedD=isExpanded(D);
68     bool_t extendedX=isExpanded(X);
69     bool_t extendedY=isExpanded(Y);
70     double *F_p=getSampleData(F,0);
71     double *S=p.row_jac->ReferenceElement->S;
72     dim_t len_EM_S=p.row_NN*p.col_NN;
73     dim_t len_EM_F=p.row_NN;
74    
75    
76 gross 853 #pragma omp parallel private(color, EM_S, EM_F, Vol, DSDX, A_p, B_p, C_p, D_p, X_p, Y_p, row_index, q, s,r,rtmp,add_EM_F, add_EM_S)
77 gross 798 {
78 gross 853 EM_S=THREAD_MEMALLOC(len_EM_S,double);
79     EM_F=THREAD_MEMALLOC(len_EM_F,double);
80     row_index=THREAD_MEMALLOC(p.row_NN,index_t);
81    
82     if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
83    
84     #ifndef PASO_MPI
85     for (color=elements->minColor;color<=elements->maxColor;color++) {
86     /* open loop over all elements: */
87     #pragma omp for private(e) schedule(static)
88     for(e=0;e<elements->numElements;e++){
89     if (elements->Color[e]==color) {
90     #else
91     {
92     for(e=0;e<elements->numElements;e++) {
93     {
94     #endif
95     Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
96     DSDX=&(p.row_jac->DSDX[INDEX4(0,0,0,e,p.row_NN,DIM,p.numQuad)]);
97     for (q=0;q<len_EM_S;++q) EM_S[q]=0;
98     for (q=0;q<len_EM_F;++q) EM_F[q]=0;
99     add_EM_F=FALSE;
100     add_EM_S=FALSE;
101     /**************************************************************/
102     /* process A: */
103     /**************************************************************/
104     A_p=getSampleData(A,e);
105     if (NULL!=A_p) {
106     add_EM_S=TRUE;
107     if (extendedA) {
108     for (s=0;s<p.row_NS;s++) {
109     for (r=0;r<p.col_NS;r++) {
110     rtmp=0;
111     for (q=0;q<p.numQuad;q++) {
112     rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*A_p[INDEX3(0,0,q,DIM,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
113     }
114     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
115     }
116     }
117     } else {
118     for (s=0;s<p.row_NS;s++) {
119     for (r=0;r<p.col_NS;r++) {
120     rtmp=0;
121     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
122     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*A_p[INDEX2(0,0,DIM)];
123     }
124     }
125     }
126     }
127     /**************************************************************/
128     /* process B: */
129     /**************************************************************/
130     B_p=getSampleData(B,e);
131     if (NULL!=B_p) {
132     add_EM_S=TRUE;
133     if (extendedB) {
134     for (s=0;s<p.row_NS;s++) {
135     for (r=0;r<p.col_NS;r++) {
136     rtmp=0;
137     for (q=0;q<p.numQuad;q++) {
138     rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*B_p[INDEX2(0,q,DIM)]*S[INDEX2(r,q,p.row_NS)];
139     }
140     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
141     }
142     }
143     } else {
144     for (s=0;s<p.row_NS;s++) {
145     for (r=0;r<p.col_NS;r++) {
146     rtmp=0;
147     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*S[INDEX2(r,q,p.row_NS)];
148     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*B_p[0];
149     }
150     }
151 gross 798 }
152 gross 853 }
153     /**************************************************************/
154     /* process C: */
155     /**************************************************************/
156     C_p=getSampleData(C,e);
157     if (NULL!=C_p) {
158     add_EM_S=TRUE;
159     if (extendedC) {
160     for (s=0;s<p.row_NS;s++) {
161     for (r=0;r<p.col_NS;r++) {
162     rtmp=0;
163     for (q=0;q<p.numQuad;q++) {
164     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*C_p[INDEX2(0,q,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
165     }
166     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
167     }
168     }
169     } else {
170     for (s=0;s<p.row_NS;s++) {
171     for (r=0;r<p.col_NS;r++) {
172     rtmp=0;
173     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
174     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*C_p[0];
175     }
176     }
177     }
178     }
179     /************************************************************* */
180     /* process D */
181     /**************************************************************/
182     D_p=getSampleData(D,e);
183     if (NULL!=D_p) {
184     add_EM_S=TRUE;
185     if (extendedD) {
186     for (s=0;s<p.row_NS;s++) {
187     for (r=0;r<p.col_NS;r++) {
188     rtmp=0;
189     for (q=0;q<p.numQuad;q++) {
190     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[q]*S[INDEX2(r,q,p.row_NS)];
191     }
192     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
193     }
194     }
195     } else {
196     for (s=0;s<p.row_NS;s++) {
197     for (r=0;r<p.col_NS;r++) {
198     rtmp=0;
199     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
200     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*D_p[0];
201     }
202     }
203     }
204     }
205     /**************************************************************/
206     /* process X: */
207     /**************************************************************/
208     X_p=getSampleData(X,e);
209     if (NULL!=X_p) {
210     add_EM_F=TRUE;
211     if (extendedX) {
212     for (s=0;s<p.row_NS;s++) {
213 gross 798 rtmp=0;
214 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*X_p[INDEX2(0,q,DIM)];
215     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
216 gross 798 }
217 gross 853 } else {
218     for (s=0;s<p.row_NS;s++) {
219 gross 798 rtmp=0;
220 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
221     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*X_p[0];
222 gross 798 }
223 gross 853 }
224 gross 798 }
225 gross 853 /**************************************************************/
226     /* process Y: */
227     /**************************************************************/
228     Y_p=getSampleData(Y,e);
229     if (NULL!=Y_p) {
230     add_EM_F=TRUE;
231     if (extendedY) {
232     for (s=0;s<p.row_NS;s++) {
233 gross 798 rtmp=0;
234 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[q];
235     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
236 gross 798 }
237 gross 853 } else {
238     for (s=0;s<p.row_NS;s++) {
239 gross 798 rtmp=0;
240 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
241     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*Y_p[0];
242 gross 798 }
243     }
244 gross 853 }
245     /***********************************************************************************************/
246     /* add the element matrices onto the matrix and right hand side */
247     /***********************************************************************************************/
248     for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.NN)]];
249     if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
250     if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
251    
252     } /* end color check */
253     } /* end element loop */
254     } /* end color loop */
255    
256     THREAD_MEMFREE(EM_S);
257     THREAD_MEMFREE(EM_F);
258     THREAD_MEMFREE(row_index);
259 gross 798
260 gross 853 } /* end of pointer check */
261 gross 798 } /* end parallel region */
262     }
263     /*
264     * $Log$
265     */

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