Actual source code: minsurf1.c
1: /* Program usage: mpiexec -n 1 minsurf1 [-help] [all TAO options] */
3: /* Include "petsctao.h" so we can use TAO solvers. */
4: #include <petsctao.h>
6: static char help[] = "This example demonstrates use of the TAO package to \n\
7: solve an unconstrained minimization problem. This example is based on a \n\
8: problem from the MINPACK-2 test suite. Given a rectangular 2-D domain and \n\
9: boundary values along the edges of the domain, the objective is to find the\n\
10: surface with the minimal area that satisfies the boundary conditions.\n\
11: The command line options are:\n\
12: -mx <xg>, where <xg> = number of grid points in the 1st coordinate direction\n\
13: -my <yg>, where <yg> = number of grid points in the 2nd coordinate direction\n\
14: -start <st>, where <st> =0 for zero vector, and an average of the boundary conditions otherwise \n\n";
16: /*
17: User-defined application context - contains data needed by the
18: application-provided call-back routines, FormFunctionGradient()
19: and FormHessian().
20: */
21: typedef struct {
22: PetscInt mx, my; /* discretization in x, y directions */
23: PetscReal *bottom, *top, *left, *right; /* boundary values */
24: Mat H;
25: } AppCtx;
27: /* -------- User-defined Routines --------- */
29: static PetscErrorCode MSA_BoundaryConditions(AppCtx *);
30: static PetscErrorCode MSA_InitialPoint(AppCtx *, Vec);
31: static PetscErrorCode QuadraticH(AppCtx *, Vec, Mat);
32: PetscErrorCode FormFunctionGradient(Tao, Vec, PetscReal *, Vec, void *);
33: PetscErrorCode FormHessian(Tao, Vec, Mat, Mat, void *);
35: int main(int argc, char **argv)
36: {
37: PetscInt N; /* Size of vector */
38: PetscMPIInt size; /* Number of processors */
39: Vec x; /* solution, gradient vectors */
40: KSP ksp; /* PETSc Krylov subspace method */
41: PetscBool flg; /* A return value when checking for user options */
42: Tao tao; /* Tao solver context */
43: AppCtx user; /* user-defined work context */
45: /* Initialize TAO,PETSc */
46: PetscFunctionBeginUser;
47: PetscCall(PetscInitialize(&argc, &argv, NULL, help));
49: PetscCallMPI(MPI_Comm_size(MPI_COMM_WORLD, &size));
50: PetscCheck(size == 1, PETSC_COMM_WORLD, PETSC_ERR_WRONG_MPI_SIZE, "Incorrect number of processors");
52: /* Specify default dimension of the problem */
53: user.mx = 4;
54: user.my = 4;
56: /* Check for any command line arguments that override defaults */
57: PetscCall(PetscOptionsGetInt(NULL, NULL, "-mx", &user.mx, &flg));
58: PetscCall(PetscOptionsGetInt(NULL, NULL, "-my", &user.my, &flg));
60: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n---- Minimum Surface Area Problem -----\n"));
61: PetscCall(PetscPrintf(PETSC_COMM_SELF, "mx: %" PetscInt_FMT " my: %" PetscInt_FMT " \n\n", user.mx, user.my));
63: /* Calculate any derived values from parameters */
64: N = user.mx * user.my;
66: /* Create TAO solver and set desired solution method */
67: PetscCall(TaoCreate(PETSC_COMM_SELF, &tao));
68: PetscCall(TaoSetType(tao, TAOLMVM));
70: /* Initialize minsurf application data structure for use in the function evaluations */
71: PetscCall(MSA_BoundaryConditions(&user)); /* Application specific routine */
73: /*
74: Create a vector to hold the variables. Compute an initial solution.
75: Set this vector, which will be used by TAO.
76: */
77: PetscCall(VecCreateSeq(PETSC_COMM_SELF, N, &x));
78: PetscCall(MSA_InitialPoint(&user, x)); /* Application specific routine */
79: PetscCall(TaoSetSolution(tao, x)); /* A TAO routine */
81: /* Provide TAO routines for function, gradient, and Hessian evaluation */
82: PetscCall(TaoSetObjectiveAndGradient(tao, NULL, FormFunctionGradient, (void *)&user));
84: /* Create a matrix data structure to store the Hessian. This structure will be used by TAO */
85: PetscCall(MatCreateSeqAIJ(PETSC_COMM_SELF, N, N, 7, NULL, &user.H));
86: PetscCall(MatSetOption(user.H, MAT_SYMMETRIC, PETSC_TRUE));
87: PetscCall(TaoSetHessian(tao, user.H, user.H, FormHessian, (void *)&user));
89: /* Check for any TAO command line options */
90: PetscCall(TaoSetFromOptions(tao));
92: /* Limit the number of iterations in the KSP linear solver */
93: PetscCall(TaoGetKSP(tao, &ksp));
94: if (ksp) PetscCall(KSPSetTolerances(ksp, PETSC_CURRENT, PETSC_CURRENT, PETSC_CURRENT, user.mx * user.my));
96: /* SOLVE THE APPLICATION */
97: PetscCall(TaoSolve(tao));
99: PetscCall(TaoDestroy(&tao));
100: PetscCall(VecDestroy(&x));
101: PetscCall(MatDestroy(&user.H));
102: PetscCall(PetscFree(user.bottom));
103: PetscCall(PetscFree(user.top));
104: PetscCall(PetscFree(user.left));
105: PetscCall(PetscFree(user.right));
107: PetscCall(PetscFinalize());
108: return 0;
109: }
111: /* -------------------------------------------------------------------- */
113: /* FormFunctionGradient - Evaluates function and corresponding gradient.
115: Input Parameters:
116: . tao - the Tao context
117: . X - input vector
118: . userCtx - optional user-defined context, as set by TaoSetFunctionGradient()
120: Output Parameters:
121: . fcn - the newly evaluated function
122: . G - vector containing the newly evaluated gradient
123: */
124: PetscErrorCode FormFunctionGradient(Tao tao, Vec X, PetscReal *fcn, Vec G, void *userCtx)
125: {
126: AppCtx *user = (AppCtx *)userCtx;
127: PetscInt i, j, row;
128: PetscInt mx = user->mx, my = user->my;
129: PetscReal rhx = mx + 1, rhy = my + 1;
130: PetscReal hx = 1.0 / (mx + 1), hy = 1.0 / (my + 1), hydhx = hy / hx, hxdhy = hx / hy, area = 0.5 * hx * hy, ft = 0;
131: PetscReal f1, f2, f3, f4, f5, f6, d1, d2, d3, d4, d5, d6, d7, d8, xc, xl, xr, xt, xb, xlt, xrb;
132: PetscReal df1dxc, df2dxc, df3dxc, df4dxc, df5dxc, df6dxc;
133: PetscReal zero = 0.0;
134: PetscScalar *g;
135: const PetscScalar *x;
137: PetscFunctionBeginUser;
138: PetscCall(VecSet(G, zero));
140: PetscCall(VecGetArrayRead(X, &x));
141: PetscCall(VecGetArray(G, &g));
143: /* Compute function over the locally owned part of the mesh */
144: for (j = 0; j < my; j++) {
145: for (i = 0; i < mx; i++) {
146: row = (j)*mx + (i);
147: xc = x[row];
148: xlt = xrb = xl = xr = xb = xt = xc;
149: if (i == 0) { /* left side */
150: xl = user->left[j + 1];
151: xlt = user->left[j + 2];
152: } else {
153: xl = x[row - 1];
154: }
156: if (j == 0) { /* bottom side */
157: xb = user->bottom[i + 1];
158: xrb = user->bottom[i + 2];
159: } else {
160: xb = x[row - mx];
161: }
163: if (i + 1 == mx) { /* right side */
164: xr = user->right[j + 1];
165: xrb = user->right[j];
166: } else {
167: xr = x[row + 1];
168: }
170: if (j + 1 == 0 + my) { /* top side */
171: xt = user->top[i + 1];
172: xlt = user->top[i];
173: } else {
174: xt = x[row + mx];
175: }
177: if (i > 0 && j + 1 < my) xlt = x[row - 1 + mx];
178: if (j > 0 && i + 1 < mx) xrb = x[row + 1 - mx];
180: d1 = (xc - xl);
181: d2 = (xc - xr);
182: d3 = (xc - xt);
183: d4 = (xc - xb);
184: d5 = (xr - xrb);
185: d6 = (xrb - xb);
186: d7 = (xlt - xl);
187: d8 = (xt - xlt);
189: df1dxc = d1 * hydhx;
190: df2dxc = (d1 * hydhx + d4 * hxdhy);
191: df3dxc = d3 * hxdhy;
192: df4dxc = (d2 * hydhx + d3 * hxdhy);
193: df5dxc = d2 * hydhx;
194: df6dxc = d4 * hxdhy;
196: d1 *= rhx;
197: d2 *= rhx;
198: d3 *= rhy;
199: d4 *= rhy;
200: d5 *= rhy;
201: d6 *= rhx;
202: d7 *= rhy;
203: d8 *= rhx;
205: f1 = PetscSqrtScalar(1.0 + d1 * d1 + d7 * d7);
206: f2 = PetscSqrtScalar(1.0 + d1 * d1 + d4 * d4);
207: f3 = PetscSqrtScalar(1.0 + d3 * d3 + d8 * d8);
208: f4 = PetscSqrtScalar(1.0 + d3 * d3 + d2 * d2);
209: f5 = PetscSqrtScalar(1.0 + d2 * d2 + d5 * d5);
210: f6 = PetscSqrtScalar(1.0 + d4 * d4 + d6 * d6);
212: ft = ft + (f2 + f4);
214: df1dxc /= f1;
215: df2dxc /= f2;
216: df3dxc /= f3;
217: df4dxc /= f4;
218: df5dxc /= f5;
219: df6dxc /= f6;
221: g[row] = (df1dxc + df2dxc + df3dxc + df4dxc + df5dxc + df6dxc) / 2.0;
222: }
223: }
225: for (j = 0; j < my; j++) { /* left side */
226: d3 = (user->left[j + 1] - user->left[j + 2]) * rhy;
227: d2 = (user->left[j + 1] - x[j * mx]) * rhx;
228: ft = ft + PetscSqrtScalar(1.0 + d3 * d3 + d2 * d2);
229: }
231: for (i = 0; i < mx; i++) { /* bottom */
232: d2 = (user->bottom[i + 1] - user->bottom[i + 2]) * rhx;
233: d3 = (user->bottom[i + 1] - x[i]) * rhy;
234: ft = ft + PetscSqrtScalar(1.0 + d3 * d3 + d2 * d2);
235: }
237: for (j = 0; j < my; j++) { /* right side */
238: d1 = (x[(j + 1) * mx - 1] - user->right[j + 1]) * rhx;
239: d4 = (user->right[j] - user->right[j + 1]) * rhy;
240: ft = ft + PetscSqrtScalar(1.0 + d1 * d1 + d4 * d4);
241: }
243: for (i = 0; i < mx; i++) { /* top side */
244: d1 = (x[(my - 1) * mx + i] - user->top[i + 1]) * rhy;
245: d4 = (user->top[i + 1] - user->top[i]) * rhx;
246: ft = ft + PetscSqrtScalar(1.0 + d1 * d1 + d4 * d4);
247: }
249: /* Bottom left corner */
250: d1 = (user->left[0] - user->left[1]) * rhy;
251: d2 = (user->bottom[0] - user->bottom[1]) * rhx;
252: ft += PetscSqrtScalar(1.0 + d1 * d1 + d2 * d2);
254: /* Top right corner */
255: d1 = (user->right[my + 1] - user->right[my]) * rhy;
256: d2 = (user->top[mx + 1] - user->top[mx]) * rhx;
257: ft += PetscSqrtScalar(1.0 + d1 * d1 + d2 * d2);
259: (*fcn) = ft * area;
261: /* Restore vectors */
262: PetscCall(VecRestoreArrayRead(X, &x));
263: PetscCall(VecRestoreArray(G, &g));
264: PetscCall(PetscLogFlops(67.0 * mx * my));
265: PetscFunctionReturn(PETSC_SUCCESS);
266: }
268: /* ------------------------------------------------------------------- */
269: /*
270: FormHessian - Evaluates the Hessian matrix.
272: Input Parameters:
273: . tao - the Tao context
274: . x - input vector
275: . ptr - optional user-defined context, as set by TaoSetHessian()
277: Output Parameters:
278: . H - Hessian matrix
279: . Hpre - optionally different preconditioning matrix
280: . flg - flag indicating matrix structure
282: */
283: PetscErrorCode FormHessian(Tao tao, Vec X, Mat H, Mat Hpre, void *ptr)
284: {
285: AppCtx *user = (AppCtx *)ptr;
287: PetscFunctionBeginUser;
288: /* Evaluate the Hessian entries*/
289: PetscCall(QuadraticH(user, X, H));
290: PetscFunctionReturn(PETSC_SUCCESS);
291: }
293: /* ------------------------------------------------------------------- */
294: /*
295: QuadraticH - Evaluates the Hessian matrix.
297: Input Parameters:
298: . user - user-defined context, as set by TaoSetHessian()
299: . X - input vector
301: Output Parameter:
302: . H - Hessian matrix
303: */
304: PetscErrorCode QuadraticH(AppCtx *user, Vec X, Mat Hessian)
305: {
306: PetscInt i, j, k, row;
307: PetscInt mx = user->mx, my = user->my;
308: PetscInt col[7];
309: PetscReal hx = 1.0 / (mx + 1), hy = 1.0 / (my + 1), hydhx = hy / hx, hxdhy = hx / hy;
310: PetscReal rhx = mx + 1, rhy = my + 1;
311: PetscReal f1, f2, f3, f4, f5, f6, d1, d2, d3, d4, d5, d6, d7, d8, xc, xl, xr, xt, xb, xlt, xrb;
312: PetscReal hl, hr, ht, hb, hc, htl, hbr;
313: const PetscScalar *x;
314: PetscReal v[7];
316: PetscFunctionBeginUser;
317: /* Get pointers to vector data */
318: PetscCall(VecGetArrayRead(X, &x));
320: /* Initialize matrix entries to zero */
321: PetscCall(MatZeroEntries(Hessian));
323: /* Set various matrix options */
324: PetscCall(MatSetOption(Hessian, MAT_IGNORE_OFF_PROC_ENTRIES, PETSC_TRUE));
326: /* Compute Hessian over the locally owned part of the mesh */
327: for (i = 0; i < mx; i++) {
328: for (j = 0; j < my; j++) {
329: row = (j)*mx + (i);
331: xc = x[row];
332: xlt = xrb = xl = xr = xb = xt = xc;
334: /* Left side */
335: if (i == 0) {
336: xl = user->left[j + 1];
337: xlt = user->left[j + 2];
338: } else {
339: xl = x[row - 1];
340: }
342: if (j == 0) {
343: xb = user->bottom[i + 1];
344: xrb = user->bottom[i + 2];
345: } else {
346: xb = x[row - mx];
347: }
349: if (i + 1 == mx) {
350: xr = user->right[j + 1];
351: xrb = user->right[j];
352: } else {
353: xr = x[row + 1];
354: }
356: if (j + 1 == my) {
357: xt = user->top[i + 1];
358: xlt = user->top[i];
359: } else {
360: xt = x[row + mx];
361: }
363: if (i > 0 && j + 1 < my) xlt = x[row - 1 + mx];
364: if (j > 0 && i + 1 < mx) xrb = x[row + 1 - mx];
366: d1 = (xc - xl) * rhx;
367: d2 = (xc - xr) * rhx;
368: d3 = (xc - xt) * rhy;
369: d4 = (xc - xb) * rhy;
370: d5 = (xrb - xr) * rhy;
371: d6 = (xrb - xb) * rhx;
372: d7 = (xlt - xl) * rhy;
373: d8 = (xlt - xt) * rhx;
375: f1 = PetscSqrtScalar(1.0 + d1 * d1 + d7 * d7);
376: f2 = PetscSqrtScalar(1.0 + d1 * d1 + d4 * d4);
377: f3 = PetscSqrtScalar(1.0 + d3 * d3 + d8 * d8);
378: f4 = PetscSqrtScalar(1.0 + d3 * d3 + d2 * d2);
379: f5 = PetscSqrtScalar(1.0 + d2 * d2 + d5 * d5);
380: f6 = PetscSqrtScalar(1.0 + d4 * d4 + d6 * d6);
382: hl = (-hydhx * (1.0 + d7 * d7) + d1 * d7) / (f1 * f1 * f1) + (-hydhx * (1.0 + d4 * d4) + d1 * d4) / (f2 * f2 * f2);
383: hr = (-hydhx * (1.0 + d5 * d5) + d2 * d5) / (f5 * f5 * f5) + (-hydhx * (1.0 + d3 * d3) + d2 * d3) / (f4 * f4 * f4);
384: ht = (-hxdhy * (1.0 + d8 * d8) + d3 * d8) / (f3 * f3 * f3) + (-hxdhy * (1.0 + d2 * d2) + d2 * d3) / (f4 * f4 * f4);
385: hb = (-hxdhy * (1.0 + d6 * d6) + d4 * d6) / (f6 * f6 * f6) + (-hxdhy * (1.0 + d1 * d1) + d1 * d4) / (f2 * f2 * f2);
387: hbr = -d2 * d5 / (f5 * f5 * f5) - d4 * d6 / (f6 * f6 * f6);
388: htl = -d1 * d7 / (f1 * f1 * f1) - d3 * d8 / (f3 * f3 * f3);
390: hc = hydhx * (1.0 + d7 * d7) / (f1 * f1 * f1) + hxdhy * (1.0 + d8 * d8) / (f3 * f3 * f3) + hydhx * (1.0 + d5 * d5) / (f5 * f5 * f5) + hxdhy * (1.0 + d6 * d6) / (f6 * f6 * f6) + (hxdhy * (1.0 + d1 * d1) + hydhx * (1.0 + d4 * d4) - 2 * d1 * d4) / (f2 * f2 * f2) + (hxdhy * (1.0 + d2 * d2) + hydhx * (1.0 + d3 * d3) - 2 * d2 * d3) / (f4 * f4 * f4);
392: hl *= 0.5;
393: hr *= 0.5;
394: ht *= 0.5;
395: hb *= 0.5;
396: hbr *= 0.5;
397: htl *= 0.5;
398: hc *= 0.5;
400: k = 0;
401: if (j > 0) {
402: v[k] = hb;
403: col[k] = row - mx;
404: k++;
405: }
407: if (j > 0 && i < mx - 1) {
408: v[k] = hbr;
409: col[k] = row - mx + 1;
410: k++;
411: }
413: if (i > 0) {
414: v[k] = hl;
415: col[k] = row - 1;
416: k++;
417: }
419: v[k] = hc;
420: col[k] = row;
421: k++;
423: if (i < mx - 1) {
424: v[k] = hr;
425: col[k] = row + 1;
426: k++;
427: }
429: if (i > 0 && j < my - 1) {
430: v[k] = htl;
431: col[k] = row + mx - 1;
432: k++;
433: }
435: if (j < my - 1) {
436: v[k] = ht;
437: col[k] = row + mx;
438: k++;
439: }
441: /*
442: Set matrix values using local numbering, which was defined
443: earlier, in the main routine.
444: */
445: PetscCall(MatSetValues(Hessian, 1, &row, k, col, v, INSERT_VALUES));
446: }
447: }
449: /* Restore vectors */
450: PetscCall(VecRestoreArrayRead(X, &x));
452: /* Assemble the matrix */
453: PetscCall(MatAssemblyBegin(Hessian, MAT_FINAL_ASSEMBLY));
454: PetscCall(MatAssemblyEnd(Hessian, MAT_FINAL_ASSEMBLY));
456: PetscCall(PetscLogFlops(199.0 * mx * my));
457: PetscFunctionReturn(PETSC_SUCCESS);
458: }
460: /* ------------------------------------------------------------------- */
461: /*
462: MSA_BoundaryConditions - Calculates the boundary conditions for
463: the region.
465: Input Parameter:
466: . user - user-defined application context
468: Output Parameter:
469: . user - user-defined application context
470: */
471: static PetscErrorCode MSA_BoundaryConditions(AppCtx *user)
472: {
473: PetscInt i, j, k, limit = 0;
474: PetscInt maxits = 5;
475: PetscInt mx = user->mx, my = user->my;
476: PetscInt bsize = 0, lsize = 0, tsize = 0, rsize = 0;
477: PetscReal one = 1.0, two = 2.0, three = 3.0, tol = 1e-10;
478: PetscReal fnorm, det, hx, hy, xt = 0, yt = 0;
479: PetscReal u1, u2, nf1, nf2, njac11, njac12, njac21, njac22;
480: PetscReal b = -0.5, t = 0.5, l = -0.5, r = 0.5;
481: PetscReal *boundary;
483: PetscFunctionBeginUser;
484: bsize = mx + 2;
485: lsize = my + 2;
486: rsize = my + 2;
487: tsize = mx + 2;
489: PetscCall(PetscMalloc1(bsize, &user->bottom));
490: PetscCall(PetscMalloc1(tsize, &user->top));
491: PetscCall(PetscMalloc1(lsize, &user->left));
492: PetscCall(PetscMalloc1(rsize, &user->right));
494: hx = (r - l) / (mx + 1);
495: hy = (t - b) / (my + 1);
497: for (j = 0; j < 4; j++) {
498: if (j == 0) {
499: yt = b;
500: xt = l;
501: limit = bsize;
502: boundary = user->bottom;
503: } else if (j == 1) {
504: yt = t;
505: xt = l;
506: limit = tsize;
507: boundary = user->top;
508: } else if (j == 2) {
509: yt = b;
510: xt = l;
511: limit = lsize;
512: boundary = user->left;
513: } else { /* if (j==3) */
514: yt = b;
515: xt = r;
516: limit = rsize;
517: boundary = user->right;
518: }
520: for (i = 0; i < limit; i++) {
521: u1 = xt;
522: u2 = -yt;
523: for (k = 0; k < maxits; k++) {
524: nf1 = u1 + u1 * u2 * u2 - u1 * u1 * u1 / three - xt;
525: nf2 = -u2 - u1 * u1 * u2 + u2 * u2 * u2 / three - yt;
526: fnorm = PetscSqrtScalar(nf1 * nf1 + nf2 * nf2);
527: if (fnorm <= tol) break;
528: njac11 = one + u2 * u2 - u1 * u1;
529: njac12 = two * u1 * u2;
530: njac21 = -two * u1 * u2;
531: njac22 = -one - u1 * u1 + u2 * u2;
532: det = njac11 * njac22 - njac21 * njac12;
533: u1 = u1 - (njac22 * nf1 - njac12 * nf2) / det;
534: u2 = u2 - (njac11 * nf2 - njac21 * nf1) / det;
535: }
537: boundary[i] = u1 * u1 - u2 * u2;
538: if (j == 0 || j == 1) {
539: xt = xt + hx;
540: } else { /* if (j==2 || j==3) */
541: yt = yt + hy;
542: }
543: }
544: }
545: PetscFunctionReturn(PETSC_SUCCESS);
546: }
548: /* ------------------------------------------------------------------- */
549: /*
550: MSA_InitialPoint - Calculates the initial guess in one of three ways.
552: Input Parameters:
553: . user - user-defined application context
554: . X - vector for initial guess
556: Output Parameters:
557: . X - newly computed initial guess
558: */
559: static PetscErrorCode MSA_InitialPoint(AppCtx *user, Vec X)
560: {
561: PetscInt start = -1, i, j;
562: PetscReal zero = 0.0;
563: PetscBool flg;
565: PetscFunctionBeginUser;
566: PetscCall(VecSet(X, zero));
567: PetscCall(PetscOptionsGetInt(NULL, NULL, "-start", &start, &flg));
569: if (flg && start == 0) { /* The zero vector is reasonable */
570: PetscCall(VecSet(X, zero));
571: } else { /* Take an average of the boundary conditions */
572: PetscInt row;
573: PetscInt mx = user->mx, my = user->my;
574: PetscReal *x;
576: /* Get pointers to vector data */
577: PetscCall(VecGetArray(X, &x));
578: /* Perform local computations */
579: for (j = 0; j < my; j++) {
580: for (i = 0; i < mx; i++) {
581: row = (j)*mx + (i);
582: x[row] = (((j + 1) * user->bottom[i + 1] + (my - j + 1) * user->top[i + 1]) / (my + 2) + ((i + 1) * user->left[j + 1] + (mx - i + 1) * user->right[j + 1]) / (mx + 2)) / 2.0;
583: }
584: }
585: /* Restore vectors */
586: PetscCall(VecRestoreArray(X, &x));
587: }
588: PetscFunctionReturn(PETSC_SUCCESS);
589: }
591: /*TEST
593: build:
594: requires: !complex
596: test:
597: args: -tao_monitor_short -tao_type nls -mx 10 -my 8 -tao_gatol 1.e-4
598: requires: !single
600: test:
601: suffix: 2
602: args: -tao_monitor_short -tao_type bmrm -mx 10 -my 8 -tao_gatol 1.e-3
603: requires: !single
605: test:
606: suffix: 3
607: args: -tao_monitor_short -tao_type lmvm -mx 10 -my 8 -tao_gatol 1.e-3
608: requires: !single
610: test:
611: suffix: 4
612: args: -tao_monitor_short -tao_type bntr -mx 10 -my 8 -tao_gatol 1.e-4
613: requires: !single
615: test:
616: suffix: 4_ew
617: args: -tao_monitor_short -tao_type bntr -tao_ksp_ew -mx 10 -my 8 -tao_gatol 1.e-4
618: requires: !single
620: test:
621: suffix: 5
622: args: -tao_monitor_short -tao_type bntl -mx 10 -my 8 -tao_gatol 1.e-4
623: requires: !single
625: test:
626: suffix: 5_ew
627: args: -tao_monitor_short -tao_type bntl -tao_ksp_ew -mx 10 -my 8 -tao_gatol 1.e-4
628: requires: !single
630: test:
631: suffix: 6
632: args: -tao_monitor_short -tao_type bnls -mx 10 -my 8 -tao_gatol 1.e-4
633: requires: !single
635: test:
636: suffix: 6_ew
637: args: -tao_monitor_short -tao_type bnls -tao_ksp_ew -tao_bnk_ksp_ew_version 3 -mx 10 -my 8 -tao_gatol 1.e-4
638: requires: !single
640: test:
641: suffix: 7
642: args: -tao_monitor_short -tao_type bntr -mx 10 -my 8 -tao_bnk_max_cg_its 3 -tao_gatol 1.e-4
643: requires: !single
645: test:
646: suffix: 8
647: args: -tao_monitor_short -tao_type bntl -mx 10 -my 8 -tao_bnk_max_cg_its 3 -tao_gatol 1.e-4
648: requires: !single
650: test:
651: suffix: 9
652: args: -tao_monitor_short -tao_type bnls -mx 10 -my 8 -tao_bnk_max_cg_its 3 -tao_gatol 1.e-4
653: requires: !single
655: test:
656: suffix: 10
657: args: -tao_monitor_short -tao_type bnls -mx 10 -my 8 -tao_bnk_max_cg_its 3 -tao_gatol 1.e-4 -tao_mf_hessian
659: test:
660: suffix: 11
661: args: -tao_monitor_short -tao_type bntr -mx 10 -my 8 -tao_gatol 1.e-4 -tao_mf_hessian
662: requires: !single
664: test:
665: suffix: 12
666: args: -tao_monitor_short -tao_type bntl -mx 10 -my 8 -tao_gatol 1.e-4 -tao_mf_hessian
667: requires: !single
669: TEST*/