1 static char help[] = "Tests VecMDot(),VecDot(),VecMTDot(), and VecTDot()\n"; 2 3 4 #include <petscvec.h> 5 6 int main(int argc, char **argv) 7 { 8 PetscErrorCode ierr; 9 Vec *V,t; 10 PetscInt i,j,reps,n=15,k=6; 11 PetscRandom rctx; 12 PetscScalar *val_dot,*val_mdot,*tval_dot,*tval_mdot; 13 14 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 15 ierr = PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL);CHKERRQ(ierr); 16 ierr = PetscOptionsGetInt(NULL,NULL,"-k",&k,NULL);CHKERRQ(ierr); 17 ierr = PetscPrintf(PETSC_COMM_WORLD,"Test with %D random vectors of length %D",k,n);CHKERRQ(ierr); 18 ierr = PetscPrintf(PETSC_COMM_WORLD,"\n",k,n);CHKERRQ(ierr); 19 ierr = PetscRandomCreate(PETSC_COMM_WORLD,&rctx);CHKERRQ(ierr); 20 ierr = PetscRandomSetFromOptions(rctx);CHKERRQ(ierr); 21 ierr = VecCreate(PETSC_COMM_WORLD,&t);CHKERRQ(ierr); 22 ierr = VecSetSizes(t,n,PETSC_DECIDE);CHKERRQ(ierr); 23 ierr = VecSetFromOptions(t);CHKERRQ(ierr); 24 ierr = VecDuplicateVecs(t,k,&V);CHKERRQ(ierr); 25 ierr = VecSetRandom(t,rctx);CHKERRQ(ierr); 26 ierr = PetscMalloc1(k,&val_dot);CHKERRQ(ierr); 27 ierr = PetscMalloc1(k,&val_mdot);CHKERRQ(ierr); 28 ierr = PetscMalloc1(k,&tval_dot);CHKERRQ(ierr); 29 ierr = PetscMalloc1(k,&tval_mdot);CHKERRQ(ierr); 30 for (i=0; i<k; i++) { ierr = VecSetRandom(V[i],rctx);CHKERRQ(ierr); } 31 for (reps=0; reps<20; reps++) { 32 for (i=1; i<k; i++) { 33 ierr = VecMDot(t,i,V,val_mdot);CHKERRQ(ierr); 34 ierr = VecMTDot(t,i,V,tval_mdot);CHKERRQ(ierr); 35 for (j=0;j<i;j++) { 36 ierr = VecDot(t,V[j],&val_dot[j]);CHKERRQ(ierr); 37 ierr = VecTDot(t,V[j],&tval_dot[j]);CHKERRQ(ierr); 38 } 39 /* Check result */ 40 for (j=0;j<i;j++) { 41 if (PetscAbsScalar(val_mdot[j] - val_dot[j])/PetscAbsScalar(val_dot[j]) > 1e-5) { 42 ierr = PetscPrintf(PETSC_COMM_WORLD, "[TEST FAILED] i=%D, j=%D, val_mdot[j]=%g, val_dot[j]=%g\n",i,j,(double)PetscAbsScalar(val_mdot[j]), (double)PetscAbsScalar(val_dot[j]));CHKERRQ(ierr); 43 break; 44 } 45 if (PetscAbsScalar(tval_mdot[j] - tval_dot[j])/PetscAbsScalar(tval_dot[j]) > 1e-5) { 46 ierr = PetscPrintf(PETSC_COMM_WORLD, "[TEST FAILED] i=%D, j=%D, tval_mdot[j]=%g, tval_dot[j]=%g\n",i,j,(double)PetscAbsScalar(tval_mdot[j]), (double)PetscAbsScalar(tval_dot[j]));CHKERRQ(ierr); 47 break; 48 } 49 } 50 } 51 } 52 ierr = PetscPrintf(PETSC_COMM_WORLD,"Test completed successfully!\n",k,n);CHKERRQ(ierr); 53 ierr = PetscFree(val_dot);CHKERRQ(ierr); 54 ierr = PetscFree(val_mdot);CHKERRQ(ierr); 55 ierr = PetscFree(tval_dot);CHKERRQ(ierr); 56 ierr = PetscFree(tval_mdot);CHKERRQ(ierr); 57 ierr = VecDestroyVecs(k,&V);CHKERRQ(ierr); 58 ierr = VecDestroy(&t);CHKERRQ(ierr); 59 ierr = PetscRandomDestroy(&rctx);CHKERRQ(ierr); 60 ierr = PetscFinalize(); 61 return ierr; 62 } 63 64 65 /*TEST 66 67 test: 68 69 testset: 70 output_file: output/ex43_1.out 71 72 test: 73 suffix: cuda 74 args: -vec_type cuda 75 requires: cuda 76 77 test: 78 suffix: kokkos 79 args: -vec_type kokkos 80 requires: kokkos_kernels 81 82 TEST*/ 83