Actual source code: test1.c
slepc-3.15.1 2021-05-28
1: /*
2: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3: SLEPc - Scalable Library for Eigenvalue Problem Computations
4: Copyright (c) 2002-2021, Universitat Politecnica de Valencia, Spain
6: This file is part of SLEPc.
7: SLEPc is distributed under a 2-clause BSD license (see LICENSE).
8: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
9: */
11: static char help[] = "Tests B-orthonormality of eigenvectors in a GHEP problem.\n\n";
13: #include <slepceps.h>
15: int main(int argc,char **argv)
16: {
17: Mat A,B; /* matrices */
18: EPS eps; /* eigenproblem solver context */
19: ST st;
20: Vec *X,v;
21: PetscReal lev=0.0,tol=PETSC_SMALL;
22: PetscInt N,n=45,m,Istart,Iend,II,i,j,nconv;
23: PetscBool flag,skiporth=PETSC_FALSE;
24: EPSPowerShiftType variant;
25: PetscErrorCode ierr;
27: SlepcInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
28: PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL);
29: PetscOptionsGetInt(NULL,NULL,"-m",&m,&flag);
30: if (!flag) m=n;
31: N = n*m;
32: PetscPrintf(PETSC_COMM_WORLD,"\nGeneralized Symmetric Eigenproblem, N=%D (%Dx%D grid)\n\n",N,n,m);
33: PetscOptionsGetBool(NULL,NULL,"-skiporth",&skiporth,NULL);
35: /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
36: Compute the matrices that define the eigensystem, Ax=kBx
37: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
39: MatCreate(PETSC_COMM_WORLD,&A);
40: MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,N,N);
41: MatSetFromOptions(A);
42: MatSetUp(A);
44: MatCreate(PETSC_COMM_WORLD,&B);
45: MatSetSizes(B,PETSC_DECIDE,PETSC_DECIDE,N,N);
46: MatSetFromOptions(B);
47: MatSetUp(B);
49: MatGetOwnershipRange(A,&Istart,&Iend);
50: for (II=Istart;II<Iend;II++) {
51: i = II/n; j = II-i*n;
52: if (i>0) { MatSetValue(A,II,II-n,-1.0,INSERT_VALUES); }
53: if (i<m-1) { MatSetValue(A,II,II+n,-1.0,INSERT_VALUES); }
54: if (j>0) { MatSetValue(A,II,II-1,-1.0,INSERT_VALUES); }
55: if (j<n-1) { MatSetValue(A,II,II+1,-1.0,INSERT_VALUES); }
56: MatSetValue(A,II,II,4.0,INSERT_VALUES);
57: MatSetValue(B,II,II,2.0/PetscLogScalar(II+2),INSERT_VALUES);
58: }
60: MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);
61: MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);
62: MatAssemblyBegin(B,MAT_FINAL_ASSEMBLY);
63: MatAssemblyEnd(B,MAT_FINAL_ASSEMBLY);
64: MatCreateVecs(B,&v,NULL);
66: /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
67: Create the eigensolver and set various options
68: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
70: EPSCreate(PETSC_COMM_WORLD,&eps);
71: EPSSetOperators(eps,A,B);
72: EPSSetProblemType(eps,EPS_GHEP);
73: EPSSetTolerances(eps,tol,PETSC_DEFAULT);
74: EPSSetConvergenceTest(eps,EPS_CONV_NORM);
75: EPSSetFromOptions(eps);
77: /* illustrate how to extract parameters from specific solver types */
78: PetscObjectTypeCompare((PetscObject)eps,EPSPOWER,&flag);
79: if (flag) {
80: EPSGetST(eps,&st);
81: PetscObjectTypeCompare((PetscObject)st,STSHIFT,&flag);
82: if (flag) {
83: EPSPowerGetShiftType(eps,&variant);
84: PetscPrintf(PETSC_COMM_WORLD,"Type of shifts used during power iteration: %s\n",EPSPowerShiftTypes[variant]);
85: }
86: }
88: /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
89: Solve the eigensystem
90: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
92: EPSSolve(eps);
94: /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
95: Display solution and clean up
96: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
98: EPSGetTolerances(eps,&tol,NULL);
99: EPSErrorView(eps,EPS_ERROR_BACKWARD,NULL);
100: EPSGetConverged(eps,&nconv);
101: if (nconv>1) {
102: VecDuplicateVecs(v,nconv,&X);
103: for (i=0;i<nconv;i++) {
104: EPSGetEigenvector(eps,i,X[i],NULL);
105: }
106: if (!skiporth) { VecCheckOrthonormality(X,nconv,NULL,nconv,B,NULL,&lev); }
107: if (lev<10*tol) {
108: PetscPrintf(PETSC_COMM_WORLD,"Level of orthogonality below the tolerance\n");
109: } else {
110: PetscPrintf(PETSC_COMM_WORLD,"Level of orthogonality: %g\n",(double)lev);
111: }
112: VecDestroyVecs(nconv,&X);
113: }
115: EPSDestroy(&eps);
116: MatDestroy(&A);
117: MatDestroy(&B);
118: VecDestroy(&v);
119: SlepcFinalize();
120: return ierr;
121: }
123: /*TEST
125: testset:
126: args: -n 18 -eps_nev 4 -eps_max_it 1500
127: requires: !single
128: output_file: output/test1_1.out
129: test:
130: suffix: 1
131: args: -eps_type {{krylovschur arnoldi gd jd lapack}}
132: test:
133: suffix: 1_subspace
134: args: -eps_type subspace -eps_conv_rel
135: test:
136: suffix: 1_ks_nopurify
137: args: -eps_purify 0
138: test:
139: suffix: 1_ks_trueres
140: args: -eps_true_residual
141: test:
142: suffix: 1_ks_sinvert
143: args: -st_type sinvert -eps_target 22
144: test:
145: suffix: 1_ks_cayley
146: args: -st_type cayley -eps_target 22
147: test:
148: suffix: 1_lanczos
149: args: -eps_type lanczos -eps_lanczos_reorthog full
150: test:
151: suffix: 1_gd2
152: args: -eps_type gd -eps_gd_double_expansion
153: test:
154: suffix: 1_gd_borth
155: args: -eps_type gd -eps_gd_borth
156: test:
157: suffix: 1_jd_borth
158: args: -eps_type jd -eps_jd_borth
159: test:
160: suffix: 1_lobpcg
161: args: -eps_type lobpcg -st_shift 22 -eps_largest_real
162: test:
163: suffix: 1_hpddm
164: requires: hpddm
165: args: -eps_type lobpcg -st_shift 22 -eps_largest_real -st_pc_type lu -st_ksp_type hpddm
166: test:
167: suffix: 1_cholesky
168: args: -mat_type sbaij
169: test:
170: suffix: 1_scalapack
171: nsize: {{1 2 3}}
172: requires: scalapack
173: args: -eps_type scalapack
174: test:
175: suffix: 1_elpa
176: nsize: {{1 2 3}}
177: requires: elpa
178: args: -eps_type elpa
179: filter: grep -v "Buffering level"
180: test:
181: suffix: 1_elemental
182: nsize: {{1 2}}
183: requires: elemental
184: args: -eps_type elemental
186: testset:
187: args: -n 18 -eps_type ciss -rg_interval_endpoints 20.8,22
188: requires: double
189: output_file: output/test1_1_ciss.out
190: test:
191: suffix: 1_ciss
192: test:
193: suffix: 1_ciss_trapezoidal
194: args: -eps_ciss_quadrule trapezoidal -eps_ciss_integration_points 24 -eps_ciss_extraction hankel -eps_ciss_delta 1e-10 -eps_tol 5e-11 -skiporth
195: test:
196: suffix: 1_ciss_cuda
197: args: -mat_type aijcusparse -st_pc_factor_mat_solver_type cusparse
198: requires: cuda
200: testset:
201: requires: !single
202: args: -eps_tol 1e-10 -st_type sinvert -st_ksp_type preonly -st_pc_type cholesky
203: test:
204: suffix: 2
205: args: -eps_interval .1,1.1
206: test:
207: suffix: 2_open
208: args: -eps_interval -inf,1.1
209: test:
210: suffix: 2_parallel
211: requires: mumps !complex
212: nsize: 3
213: args: -eps_interval .1,1.1 -eps_krylovschur_partitions 2 -st_pc_factor_mat_solver_type mumps -st_mat_mumps_icntl_13 1
214: output_file: output/test1_2.out
216: test:
217: suffix: 3
218: requires: !single
219: args: -n 18 -eps_type power -eps_conv_rel -eps_nev 3
221: test:
222: suffix: 4
223: requires: !single
224: args: -n 18 -eps_type power -eps_conv_rel -eps_nev 3 -st_type sinvert -eps_target 1.149 -eps_power_shift_type {{constant rayleigh wilkinson}}
226: testset:
227: args: -n 18 -eps_nev 3 -eps_smallest_real -eps_max_it 500 -st_pc_type icc
228: output_file: output/test1_5.out
229: test:
230: suffix: 5_rqcg
231: args: -eps_type rqcg
232: test:
233: suffix: 5_lobpcg
234: args: -eps_type lobpcg -eps_lobpcg_blocksize 3
235: test:
236: suffix: 5_hpddm
237: args: -eps_type lobpcg -eps_lobpcg_blocksize 3 -st_pc_type lu -st_ksp_type hpddm
238: requires: hpddm
239: test:
240: suffix: 5_blopex
241: args: -eps_type blopex -eps_conv_abs -st_shift 0.1
242: requires: blopex
244: testset:
245: args: -n 18 -eps_nev 12 -eps_mpd 8 -eps_max_it 3000
246: requires: !single
247: output_file: output/test1_6.out
248: test:
249: suffix: 6
250: args: -eps_type {{krylovschur arnoldi gd}}
251: test:
252: suffix: 6_lanczos
253: args: -eps_type lanczos -eps_lanczos_reorthog full
254: test:
255: suffix: 6_subspace
256: args: -eps_type subspace -eps_conv_rel
258: testset:
259: args: -n 18 -eps_nev 4 -eps_max_it 1500 -mat_type aijcusparse
260: requires: cuda !single
261: output_file: output/test1_1.out
262: test:
263: suffix: 7
264: args: -eps_type {{krylovschur arnoldi gd jd}}
265: test:
266: suffix: 7_subspace
267: args: -eps_type subspace -eps_conv_rel
268: test:
269: suffix: 7_ks_sinvert
270: args: -st_type sinvert -eps_target 22
271: test:
272: suffix: 7_lanczos
273: args: -eps_type lanczos -eps_lanczos_reorthog full
274: test:
275: suffix: 7_ciss
276: args: -eps_type ciss -rg_interval_endpoints 20.8,22 -st_pc_factor_mat_solver_type cusparse
277: output_file: output/test1_1_ciss.out
279: testset:
280: args: -n 18 -eps_nev 3 -eps_smallest_real -eps_max_it 500 -st_pc_type sor -mat_type aijcusparse
281: requires: cuda
282: output_file: output/test1_5.out
283: test:
284: suffix: 8_rqcg
285: args: -eps_type rqcg
286: test:
287: suffix: 8_lobpcg
288: args: -eps_type lobpcg -eps_lobpcg_blocksize 3
290: testset:
291: nsize: 2
292: args: -n 18 -eps_nev 7 -eps_ncv 32 -ds_parallel synchronized
293: filter: grep -v "orthogonality"
294: output_file: output/test1_9.out
295: test:
296: suffix: 9_ks_ghep
297: args: -eps_gen_hermitian -st_pc_type redundant -st_type sinvert
298: test:
299: suffix: 9_ks_gnhep
300: args: -eps_gen_non_hermitian -st_pc_type redundant -st_type sinvert
301: test:
302: suffix: 9_ks_ghiep
303: args: -eps_gen_indefinite -st_pc_type redundant -st_type sinvert
304: requires: !single
305: test:
306: suffix: 9_lobpcg_ghep
307: args: -eps_gen_hermitian -eps_type lobpcg -eps_max_it 200 -eps_lobpcg_blocksize 6
308: requires: !single
309: timeoutfactor: 2
310: test:
311: suffix: 9_jd_gnhep
312: args: -eps_gen_non_hermitian -eps_type jd -eps_target 0 -eps_ncv 64
313: requires: !single
314: timeoutfactor: 2
316: test:
317: suffix: 10_feast
318: args: -n 25 -eps_type feast -eps_interval .95,1.1 -eps_conv_rel -eps_tol 1e-6
319: requires: feast
321: TEST*/