1a78de62eSJunchao Zhang static char help[] = "Test device/host memory allocation in MatDenseSeqCUDA()\n\n"; 2a78de62eSJunchao Zhang 3a78de62eSJunchao Zhang /* Contributed by: Victor Eijkhout <eijkhout@tacc.utexas.edu> */ 4a78de62eSJunchao Zhang 5a78de62eSJunchao Zhang #include <petscmat.h> 6a78de62eSJunchao Zhang int main(int argc, char** argv) 7a78de62eSJunchao Zhang { 8a78de62eSJunchao Zhang PetscInt global_size = 100; 9a78de62eSJunchao Zhang Mat cuda_matrix; 10a78de62eSJunchao Zhang Vec input,output; 11a78de62eSJunchao Zhang MPI_Comm comm = PETSC_COMM_SELF; 12a78de62eSJunchao Zhang PetscReal nrm = 1; 13a78de62eSJunchao Zhang 149566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&argv,NULL,help)); 159566063dSJacob Faibussowitsch PetscCall(MatCreateDenseCUDA(comm,global_size,global_size,global_size,global_size,NULL,&cuda_matrix)); 169566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(cuda_matrix,MAT_FINAL_ASSEMBLY)); 179566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(cuda_matrix,MAT_FINAL_ASSEMBLY)); 18a78de62eSJunchao Zhang 199566063dSJacob Faibussowitsch PetscCall(VecCreateSeqCUDA(comm,global_size,&input)); 209566063dSJacob Faibussowitsch PetscCall(VecDuplicate(input,&output)); 219566063dSJacob Faibussowitsch PetscCall(VecSet(input,1.)); 229566063dSJacob Faibussowitsch PetscCall(VecSet(output,2.)); 239566063dSJacob Faibussowitsch PetscCall(MatMult(cuda_matrix,input,output)); 249566063dSJacob Faibussowitsch PetscCall(VecNorm(output,NORM_2,&nrm)); 25*08401ef6SPierre Jolivet PetscCheck(nrm <= PETSC_SMALL,PETSC_COMM_SELF,PETSC_ERR_PLIB,"PETSc generated wrong result. Should be 0, but is %g",(double)nrm); 269566063dSJacob Faibussowitsch PetscCall(VecDestroy(&input)); 279566063dSJacob Faibussowitsch PetscCall(VecDestroy(&output)); 289566063dSJacob Faibussowitsch PetscCall(MatDestroy(&cuda_matrix)); 299566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 30b122ec5aSJacob Faibussowitsch return 0; 31a78de62eSJunchao Zhang } 32a78de62eSJunchao Zhang 33a78de62eSJunchao Zhang /*TEST 34a78de62eSJunchao Zhang build: 35a78de62eSJunchao Zhang requires: cuda 36a78de62eSJunchao Zhang 37a78de62eSJunchao Zhang test: 38a78de62eSJunchao Zhang nsize: 1 39a78de62eSJunchao Zhang 40a78de62eSJunchao Zhang TEST*/ 41