/[escript]/trunk/finley/src/Assemble_PDE_System2_2D.c
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Annotation of /trunk/finley/src/Assemble_PDE_System2_2D.c

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Revision 853 - (hide annotations)
Wed Sep 20 05:56:36 2006 UTC (13 years, 2 months ago) by gross
File MIME type: text/plain
File size: 17534 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 3.0 *
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_{k,i,m,j} u_m,j)_i-(B_{k,i,m} u_m)_i+C_{k,m,j} u_m,j-D_{k,m} u_m and -(X_{k,i})_i + Y_k */
20    
21     /* u has p.numComp components in a 2D 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 = p.numEqu x 2 x p.numComp x 2 */
27     /* B = 2 x p.numEqu x p.numComp */
28     /* C = p.numEqu x 2 x p.numComp */
29     /* D = p.numEqu x p.numComp */
30     /* X = p.numEqu x 2 */
31     /* Y = p.numEqu */
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_System2_2D(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 2
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,k,m;
61     register double rtmp, rtmp0, rtmp1, rtmp00, rtmp10, rtmp01, rtmp11;
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*p.numEqu*p.numComp;
73     dim_t len_EM_F=p.row_NN*p.numEqu;
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,k,m,rtmp, rtmp0, rtmp1, rtmp00, rtmp10, rtmp01, rtmp11,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 gross 798
84 gross 853 #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     for (k=0;k<p.numEqu;k++) {
111     for (m=0;m<p.numComp;m++) {
112     rtmp=0;
113     for (q=0;q<p.numQuad;q++) {
114     rtmp+=Vol[q]* (
115     DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*A_p[INDEX5(k,0,m,0,q,p.numEqu,DIM,p.numComp,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)]
116     +DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*A_p[INDEX5(k,0,m,1,q,p.numEqu,DIM,p.numComp,DIM)]*DSDX[INDEX3(r,1,q,p.row_NN,DIM)]
117     +DSDX[INDEX3(s,1,q,p.row_NN,DIM)]*A_p[INDEX5(k,1,m,0,q,p.numEqu,DIM,p.numComp,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)]
118     +DSDX[INDEX3(s,1,q,p.row_NN,DIM)]*A_p[INDEX5(k,1,m,1,q,p.numEqu,DIM,p.numComp,DIM)]*DSDX[INDEX3(r,1,q,p.row_NN,DIM)]);
119     }
120     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
121     }
122     }
123     }
124     }
125     } else {
126     for (s=0;s<p.row_NS;s++) {
127     for (r=0;r<p.col_NS;r++) {
128     rtmp00=0;
129     rtmp01=0;
130     rtmp10=0;
131     rtmp11=0;
132 gross 798 for (q=0;q<p.numQuad;q++) {
133 gross 853 rtmp0=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
134     rtmp1=Vol[q]*DSDX[INDEX3(s,1,q,p.row_NN,DIM)];
135     rtmp00+=rtmp0*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
136     rtmp01+=rtmp0*DSDX[INDEX3(r,1,q,p.row_NN,DIM)];
137     rtmp10+=rtmp1*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
138     rtmp11+=rtmp1*DSDX[INDEX3(r,1,q,p.row_NN,DIM)];
139 gross 798 }
140 gross 853 for (k=0;k<p.numEqu;k++) {
141     for (m=0;m<p.numComp;m++) {
142     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=
143     rtmp00*A_p[INDEX4(k,0,m,0,p.numEqu,DIM,p.numComp)]
144     +rtmp01*A_p[INDEX4(k,0,m,1,p.numEqu,DIM,p.numComp)]
145     +rtmp10*A_p[INDEX4(k,1,m,0,p.numEqu,DIM,p.numComp)]
146     +rtmp11*A_p[INDEX4(k,1,m,1,p.numEqu,DIM,p.numComp)];
147     }
148     }
149 gross 798 }
150 gross 853 }
151     }
152     }
153     /**************************************************************/
154     /* process B: */
155     /**************************************************************/
156     B_p=getSampleData(B,e);
157     if (NULL!=B_p) {
158     add_EM_S=TRUE;
159     if (extendedB) {
160     for (s=0;s<p.row_NS;s++) {
161     for (r=0;r<p.col_NS;r++) {
162     for (k=0;k<p.numEqu;k++) {
163 gross 798 for (m=0;m<p.numComp;m++) {
164 gross 853 rtmp=0;
165     for (q=0;q<p.numQuad;q++) {
166     rtmp+=Vol[q]*S[INDEX2(r,q,p.row_NS)]*
167     ( DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*B_p[INDEX4(k,0,m,q,p.numEqu,DIM,p.numComp)]
168     + DSDX[INDEX3(s,1,q,p.row_NN,DIM)]*B_p[INDEX4(k,1,m,q,p.numEqu,DIM,p.numComp)]);
169     }
170     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
171 gross 798 }
172 gross 853 }
173 gross 798 }
174 gross 853 }
175     } else {
176     for (s=0;s<p.row_NS;s++) {
177     for (r=0;r<p.col_NS;r++) {
178     rtmp0=0;
179     rtmp1=0;
180 gross 798 for (q=0;q<p.numQuad;q++) {
181 gross 853 rtmp=Vol[q]*S[INDEX2(r,q,p.row_NS)];
182     rtmp0+=rtmp*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
183     rtmp1+=rtmp*DSDX[INDEX3(s,1,q,p.row_NN,DIM)];
184 gross 798 }
185 gross 853 for (k=0;k<p.numEqu;k++) {
186     for (m=0;m<p.numComp;m++) {
187     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+= rtmp0*B_p[INDEX3(k,0,m,p.numEqu,DIM)]
188     + rtmp1*B_p[INDEX3(k,1,m,p.numEqu,DIM)];
189     }
190     }
191     }
192     }
193 gross 798 }
194 gross 853 }
195     /**************************************************************/
196     /* process C: */
197     /**************************************************************/
198     C_p=getSampleData(C,e);
199     if (NULL!=C_p) {
200     add_EM_S=TRUE;
201     if (extendedC) {
202     for (s=0;s<p.row_NS;s++) {
203     for (r=0;r<p.col_NS;r++) {
204     for (k=0;k<p.numEqu;k++) {
205 gross 798 for (m=0;m<p.numComp;m++) {
206 gross 853 rtmp=0;
207     for (q=0;q<p.numQuad;q++) {
208     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*
209     ( C_p[INDEX4(k,m,0,q,p.numEqu,p.numComp,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)]
210     + C_p[INDEX4(k,m,1,q,p.numEqu,p.numComp,DIM)]*DSDX[INDEX3(r,1,q,p.row_NN,DIM)]);
211     }
212     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
213 gross 798 }
214 gross 853 }
215     }
216     }
217     } else {
218     for (s=0;s<p.row_NS;s++) {
219     for (r=0;r<p.col_NS;r++) {
220     rtmp0=0;
221     rtmp1=0;
222     for (q=0;q<p.numQuad;q++) {
223     rtmp=Vol[q]*S[INDEX2(s,q,p.row_NS)];
224     rtmp0+=rtmp*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
225     rtmp1+=rtmp*DSDX[INDEX3(r,1,q,p.row_NN,DIM)];
226     }
227     for (k=0;k<p.numEqu;k++) {
228     for (m=0;m<p.numComp;m++) {
229     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp0*C_p[INDEX3(k,m,0,p.numEqu,p.numComp)]
230     +rtmp1*C_p[INDEX3(k,m,1,p.numEqu,p.numComp)];
231     }
232     }
233     }
234     }
235     }
236 gross 798 }
237 gross 853 /************************************************************* */
238     /* process D */
239     /**************************************************************/
240     D_p=getSampleData(D,e);
241     if (NULL!=D_p) {
242     add_EM_S=TRUE;
243     if (extendedD) {
244     for (s=0;s<p.row_NS;s++) {
245     for (r=0;r<p.col_NS;r++) {
246     for (k=0;k<p.numEqu;k++) {
247     for (m=0;m<p.numComp;m++) {
248     rtmp=0;
249     for (q=0;q<p.numQuad;q++) {
250     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[INDEX3(k,m,q,p.numEqu,p.numComp)]*S[INDEX2(r,q,p.row_NS)];
251     }
252     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
253     }
254     }
255     }
256     }
257     } else {
258     for (s=0;s<p.row_NS;s++) {
259     for (r=0;r<p.col_NS;r++) {
260 gross 798 rtmp=0;
261 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
262     for (k=0;k<p.numEqu;k++) {
263     for (m=0;m<p.numComp;m++) {
264     EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*D_p[INDEX2(k,m,p.numEqu)];
265     }
266 gross 798 }
267     }
268 gross 853 }
269     }
270     }
271     /**************************************************************/
272     /* process X: */
273     /**************************************************************/
274     X_p=getSampleData(X,e);
275     if (NULL!=X_p) {
276     add_EM_F=TRUE;
277     if (extendedX) {
278     for (s=0;s<p.row_NS;s++) {
279 gross 798 for (k=0;k<p.numEqu;k++) {
280 gross 853 rtmp=0;
281     for (q=0;q<p.numQuad;q++) {
282     rtmp+=Vol[q]*(DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*X_p[INDEX3(k,0,q,p.numEqu,DIM)]
283     +DSDX[INDEX3(s,1,q,p.row_NN,DIM)]*X_p[INDEX3(k,1,q,p.numEqu,DIM)]);
284     }
285     EM_F[INDEX2(k,s,p.numEqu)]+=rtmp;
286 gross 798 }
287     }
288 gross 853 } else {
289     for (s=0;s<p.row_NS;s++) {
290     rtmp0=0;
291     rtmp1=0;
292 gross 798 for (q=0;q<p.numQuad;q++) {
293 gross 853 rtmp0+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
294     rtmp1+=Vol[q]*DSDX[INDEX3(s,1,q,p.row_NN,DIM)];
295 gross 798 }
296 gross 853 for (k=0;k<p.numEqu;k++) EM_F[INDEX2(k,s,p.numEqu)]+=rtmp0*X_p[INDEX2(k,0,p.numEqu)]+rtmp1*X_p[INDEX2(k,1,p.numEqu)];
297 gross 798 }
298 gross 853 }
299     }
300     /**************************************************************/
301     /* process Y: */
302     /**************************************************************/
303     Y_p=getSampleData(Y,e);
304     if (NULL!=Y_p) {
305     add_EM_F=TRUE;
306     if (extendedY) {
307     for (s=0;s<p.row_NS;s++) {
308     for (k=0;k<p.numEqu;k++) {
309     rtmp=0;
310     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[INDEX2(k,q,p.numEqu)];
311     EM_F[INDEX2(k,s,p.numEqu)]+=rtmp;
312     }
313     }
314     } else {
315     for (s=0;s<p.row_NS;s++) {
316 gross 798 rtmp=0;
317 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
318     for (k=0;k<p.numEqu;k++) EM_F[INDEX2(k,s,p.numEqu)]+=rtmp*Y_p[k];
319 gross 798 }
320     }
321 gross 853 }
322     /***********************************************************************************************/
323     /* add the element matrices onto the matrix and right hand side */
324     /***********************************************************************************************/
325     for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.NN)]];
326     if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
327     if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
328    
329     } /* end color check */
330     } /* end element loop */
331     } /* end color loop */
332    
333     THREAD_MEMFREE(EM_S);
334     THREAD_MEMFREE(EM_F);
335     THREAD_MEMFREE(row_index);
336 gross 798
337 gross 853 } /* end of pointer check */
338 gross 798 } /* end parallel region */
339     }
340     /*
341     * $Log$
342     */

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