示例#1
0
/* ////////////////////////////////////////////////////////////////////////////
   -- testing any solver
*/
int main(  int argc, char** argv )
{
    magma_int_t info = 0;
    TESTING_INIT();

    magma_copts zopts;
    magma_queue_t queue=NULL;
    magma_queue_create( /*devices[ opts->device ],*/ &queue );

    real_Double_t res;
    magma_c_matrix A={Magma_CSR}, AT={Magma_CSR}, A2={Magma_CSR}, 
    B={Magma_CSR}, B_d={Magma_CSR};
    
    int i=1;
    real_Double_t start, end;
    CHECK( magma_cparse_opts( argc, argv, &zopts, &i, queue ));

    B.blocksize = zopts.blocksize;
    B.alignment = zopts.alignment;

    while(  i < argc ) {

        if ( strcmp("LAPLACE2D", argv[i]) == 0 && i+1 < argc ) {   // Laplace test
            i++;
            magma_int_t laplace_size = atoi( argv[i] );
            CHECK( magma_cm_5stencil(  laplace_size, &A, queue ));
        } else {                        // file-matrix test
            CHECK( magma_c_csr_mtx( &A,  argv[i], queue ));
        }

        printf( "\n# matrix info: %d-by-%d with %d nonzeros\n\n",
                            (int) A.num_rows,(int) A.num_cols,(int) A.nnz );

        // scale matrix
        CHECK( magma_cmscale( &A, zopts.scaling, queue ));

        // remove nonzeros in matrix
        start = magma_sync_wtime( queue );
        for (int j=0; j<10; j++)
            CHECK( magma_cmcsrcompressor( &A, queue ));
        end = magma_sync_wtime( queue );
        printf( " > MAGMA CPU: %.2e seconds.\n", (end-start)/10 );
        // transpose
        CHECK( magma_cmtranspose( A, &AT, queue ));

        // convert, copy back and forth to check everything works
        CHECK( magma_cmconvert( AT, &B, Magma_CSR, Magma_CSR, queue ));
        magma_cmfree(&AT, queue );
        CHECK( magma_cmtransfer( B, &B_d, Magma_CPU, Magma_DEV, queue ));
        magma_cmfree(&B, queue );

        start = magma_sync_wtime( queue );
        for (int j=0; j<10; j++)
            CHECK( magma_cmcsrcompressor_gpu( &B_d, queue ));
        end = magma_sync_wtime( queue );
        printf( " > MAGMA GPU: %.2e seconds.\n", (end-start)/10 );


        CHECK( magma_cmtransfer( B_d, &B, Magma_DEV, Magma_CPU, queue ));
        magma_cmfree(&B_d, queue );
        CHECK( magma_cmconvert( B, &AT, Magma_CSR, Magma_CSR, queue ));
        magma_cmfree(&B, queue );

        // transpose back
        CHECK( magma_cmtranspose( AT, &A2, queue ));
        magma_cmfree(&AT, queue );
        CHECK( magma_cmdiff( A, A2, &res, queue ));
        printf("# ||A-B||_F = %8.2e\n", res);
        if ( res < .000001 )
            printf("# tester matrix compressor:  ok\n");
        else
            printf("# tester matrix compressor:  failed\n");

        magma_cmfree(&A, queue );
        magma_cmfree(&A2, queue );

        i++;
    }
    
cleanup:
    magma_cmfree(&AT, queue );
    magma_cmfree(&B, queue );
    magma_cmfree(&A, queue );
    magma_cmfree(&A2, queue );
    magma_queue_destroy( queue );
    TESTING_FINALIZE();
    return info;
}
示例#2
0
extern "C" magma_int_t
magma_ccumiccsetup(
    magma_c_matrix A,
    magma_c_preconditioner *precond,
    magma_queue_t queue )
{
    magma_int_t info = 0;
    
    cusparseHandle_t cusparseHandle=NULL;
    cusparseMatDescr_t descrA=NULL;
    cusparseMatDescr_t descrL=NULL;
    cusparseMatDescr_t descrU=NULL;
#if CUDA_VERSION >= 7000
    csric02Info_t info_M=NULL;
    void *pBuffer = NULL;
#endif
    
    magma_c_matrix hA={Magma_CSR}, hACSR={Magma_CSR}, U={Magma_CSR};
    CHECK( magma_cmtransfer( A, &hA, A.memory_location, Magma_CPU, queue ));
    U.diagorder_type = Magma_VALUE;
    CHECK( magma_cmconvert( hA, &hACSR, hA.storage_type, Magma_CSR, queue ));

    // in case using fill-in
    if( precond->levels > 0 ){
            magma_c_matrix hAL={Magma_CSR}, hAUt={Magma_CSR};
            CHECK( magma_csymbilu( &hACSR, precond->levels, &hAL, &hAUt,  queue ));
            magma_cmfree(&hAL, queue);
            magma_cmfree(&hAUt, queue);
    }

    CHECK( magma_cmconvert( hACSR, &U, Magma_CSR, Magma_CSRL, queue ));
    magma_cmfree( &hACSR, queue );
    CHECK( magma_cmtransfer(U, &(precond->M), Magma_CPU, Magma_DEV, queue ));

    // CUSPARSE context //
    CHECK_CUSPARSE( cusparseCreate( &cusparseHandle ));
    CHECK_CUSPARSE( cusparseSetStream( cusparseHandle, queue->cuda_stream() ));
    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrA ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &(precond->cuinfo) ));
    // use kernel to manually check for zeros n the diagonal
    CHECK( magma_cdiagcheck( precond->M, queue ) );
        
#if CUDA_VERSION >= 7000
    // this version has the bug fixed where a zero on the diagonal causes a crash
    CHECK_CUSPARSE( cusparseCreateCsric02Info(&info_M) );
    CHECK_CUSPARSE( cusparseSetMatType( descrA, CUSPARSE_MATRIX_TYPE_GENERAL ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrA, CUSPARSE_INDEX_BASE_ZERO ));
    int buffersize;
    int structural_zero;
    int numerical_zero;
    
    CHECK_CUSPARSE(
    cusparseCcsric02_bufferSize( cusparseHandle,
                         precond->M.num_rows, precond->M.nnz, descrA,
                         precond->M.dval, precond->M.drow, precond->M.dcol,
                         info_M,
                         &buffersize ) );
    
    CHECK( magma_malloc((void**)&pBuffer, buffersize) );

    CHECK_CUSPARSE( cusparseCcsric02_analysis( cusparseHandle,
            precond->M.num_rows, precond->M.nnz, descrA,
            precond->M.dval, precond->M.drow, precond->M.dcol,
            info_M, CUSPARSE_SOLVE_POLICY_NO_LEVEL, pBuffer ));
    CHECK_CUSPARSE( cusparseXcsric02_zeroPivot( cusparseHandle, info_M, &numerical_zero ) );
    CHECK_CUSPARSE( cusparseXcsric02_zeroPivot( cusparseHandle, info_M, &structural_zero ) );

    CHECK_CUSPARSE(
    cusparseCcsric02( cusparseHandle,
                         precond->M.num_rows, precond->M.nnz, descrA,
                         precond->M.dval, precond->M.drow, precond->M.dcol,
                         info_M, CUSPARSE_SOLVE_POLICY_NO_LEVEL, pBuffer) );    

#else
    // this version contains the bug but is needed for backward compability
    CHECK_CUSPARSE( cusparseSetMatType( descrA, CUSPARSE_MATRIX_TYPE_SYMMETRIC ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrA, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrA, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrA, CUSPARSE_FILL_MODE_LOWER ));
    
    CHECK_CUSPARSE( cusparseCcsrsm_analysis( cusparseHandle,
                CUSPARSE_OPERATION_NON_TRANSPOSE,
                precond->M.num_rows, precond->M.nnz, descrA,
                precond->M.dval, precond->M.drow, precond->M.dcol,
                precond->cuinfo ));
    CHECK_CUSPARSE( cusparseCcsric0( cusparseHandle, CUSPARSE_OPERATION_NON_TRANSPOSE,
                      precond->M.num_rows, descrA,
                      precond->M.dval,
                      precond->M.drow,
                      precond->M.dcol,
                      precond->cuinfo ));
#endif

    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrL ));
    CHECK_CUSPARSE( cusparseSetMatType( descrL, CUSPARSE_MATRIX_TYPE_TRIANGULAR ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrL, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrL, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrL, CUSPARSE_FILL_MODE_LOWER ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &precond->cuinfoL ));
    CHECK_CUSPARSE( cusparseCcsrsm_analysis( cusparseHandle,
        CUSPARSE_OPERATION_NON_TRANSPOSE, precond->M.num_rows,
        precond->M.nnz, descrL,
        precond->M.dval, precond->M.drow, precond->M.dcol, precond->cuinfoL ));
    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrU ));
    CHECK_CUSPARSE( cusparseSetMatType( descrU, CUSPARSE_MATRIX_TYPE_TRIANGULAR ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrU, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrU, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrU, CUSPARSE_FILL_MODE_LOWER ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &precond->cuinfoU ));
    CHECK_CUSPARSE( cusparseCcsrsm_analysis( cusparseHandle,
        CUSPARSE_OPERATION_TRANSPOSE, precond->M.num_rows,
        precond->M.nnz, descrU,
        precond->M.dval, precond->M.drow, precond->M.dcol, precond->cuinfoU ));

    if( precond->maxiter < 50 ){
        //prepare for iterative solves
        
        // copy the matrix to precond->L and (transposed) to precond->U
        CHECK( magma_cmtransfer(precond->M, &(precond->L), Magma_DEV, Magma_DEV, queue ));
        CHECK( magma_cmtranspose( precond->L, &(precond->U), queue ));
        
        // extract the diagonal of L into precond->d
        CHECK( magma_cjacobisetup_diagscal( precond->L, &precond->d, queue ));
        CHECK( magma_cvinit( &precond->work1, Magma_DEV, hA.num_rows, 1, MAGMA_C_ZERO, queue ));
        
        // extract the diagonal of U into precond->d2
        CHECK( magma_cjacobisetup_diagscal( precond->U, &precond->d2, queue ));
        CHECK( magma_cvinit( &precond->work2, Magma_DEV, hA.num_rows, 1, MAGMA_C_ZERO, queue ));
    }



/*
    // to enable also the block-asynchronous iteration for the triangular solves
    CHECK( magma_cmtransfer( precond->M, &hA, Magma_DEV, Magma_CPU, queue ));
    hA.storage_type = Magma_CSR;

    magma_c_matrix hD, hR, hAt

    CHECK( magma_ccsrsplit( 256, hA, &hD, &hR, queue ));

    CHECK( magma_cmtransfer( hD, &precond->LD, Magma_CPU, Magma_DEV, queue ));
    CHECK( magma_cmtransfer( hR, &precond->L, Magma_CPU, Magma_DEV, queue ));

    magma_cmfree(&hD, queue );
    magma_cmfree(&hR, queue );

    CHECK( magma_c_cucsrtranspose(   hA, &hAt, queue ));

    CHECK( magma_ccsrsplit( 256, hAt, &hD, &hR, queue ));

    CHECK( magma_cmtransfer( hD, &precond->UD, Magma_CPU, Magma_DEV, queue ));
    CHECK( magma_cmtransfer( hR, &precond->U, Magma_CPU, Magma_DEV, queue ));
    
    magma_cmfree(&hD, queue );
    magma_cmfree(&hR, queue );
    magma_cmfree(&hA, queue );
    magma_cmfree(&hAt, queue );
*/

cleanup:
#if CUDA_VERSION >= 7000
    magma_free( pBuffer );
    cusparseDestroyCsric02Info( info_M );
#endif
    cusparseDestroySolveAnalysisInfo( precond->cuinfo );
    cusparseDestroyMatDescr( descrL );
    cusparseDestroyMatDescr( descrU );
    cusparseDestroyMatDescr( descrA );
    cusparseDestroy( cusparseHandle );
    magma_cmfree(&U, queue );
    magma_cmfree(&hA, queue );

    return info;
}
示例#3
0
magma_int_t
magma_ccustomicsetup(
    magma_c_matrix A,
    magma_c_matrix b,
    magma_c_preconditioner *precond,
    magma_queue_t queue )
{
    magma_int_t info = 0;

    cusparseHandle_t cusparseHandle=NULL;
    cusparseMatDescr_t descrL=NULL;
    cusparseMatDescr_t descrU=NULL;
    
    magma_c_matrix hA={Magma_CSR};
    char preconditionermatrix[255];
    
    snprintf( preconditionermatrix, sizeof(preconditionermatrix),
                "/Users/hanzt0114cl306/work/matrices/ani/ani7_crop_ichol.mtx" );
    
    CHECK( magma_c_csr_mtx( &hA, preconditionermatrix , queue) );
    
    
    // for CUSPARSE
    CHECK( magma_cmtransfer( hA, &precond->M, Magma_CPU, Magma_DEV , queue ));

        // copy the matrix to precond->L and (transposed) to precond->U
    CHECK( magma_cmtransfer(precond->M, &(precond->L), Magma_DEV, Magma_DEV, queue ));
    CHECK( magma_cmtranspose( precond->L, &(precond->U), queue ));

    // extract the diagonal of L into precond->d
    CHECK( magma_cjacobisetup_diagscal( precond->L, &precond->d, queue ));
    CHECK( magma_cvinit( &precond->work1, Magma_DEV, hA.num_rows, 1, MAGMA_C_ZERO, queue ));

    // extract the diagonal of U into precond->d2
    CHECK( magma_cjacobisetup_diagscal( precond->U, &precond->d2, queue ));
    CHECK( magma_cvinit( &precond->work2, Magma_DEV, hA.num_rows, 1, MAGMA_C_ZERO, queue ));


    // CUSPARSE context //
    CHECK_CUSPARSE( cusparseCreate( &cusparseHandle ));
    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrL ));
    CHECK_CUSPARSE( cusparseSetMatType( descrL, CUSPARSE_MATRIX_TYPE_TRIANGULAR ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrL, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrL, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrL, CUSPARSE_FILL_MODE_LOWER ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &precond->cuinfoL ));
    CHECK_CUSPARSE( cusparseCcsrsv_analysis( cusparseHandle,
        CUSPARSE_OPERATION_NON_TRANSPOSE, precond->M.num_rows,
        precond->M.nnz, descrL,
        precond->M.val, precond->M.row, precond->M.col, precond->cuinfoL ));
    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrU ));
    CHECK_CUSPARSE( cusparseSetMatType( descrU, CUSPARSE_MATRIX_TYPE_TRIANGULAR ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrU, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrU, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrU, CUSPARSE_FILL_MODE_LOWER ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &precond->cuinfoU ));
    CHECK_CUSPARSE( cusparseCcsrsv_analysis( cusparseHandle,
        CUSPARSE_OPERATION_TRANSPOSE, precond->M.num_rows,
        precond->M.nnz, descrU,
        precond->M.val, precond->M.row, precond->M.col, precond->cuinfoU ));

    
    cleanup:
        
    cusparseDestroy( cusparseHandle );
    cusparseDestroyMatDescr( descrL );
    cusparseDestroyMatDescr( descrU );
    cusparseHandle=NULL;
    descrL=NULL;
    descrU=NULL;    
    magma_cmfree( &hA, queue );
    
    return info;
}
示例#4
0
extern "C" magma_int_t
magma_ccumiccsetup(
    magma_c_matrix A,
    magma_c_preconditioner *precond,
    magma_queue_t queue )
{
    magma_int_t info = 0;
    
    cusparseHandle_t cusparseHandle=NULL;
    cusparseMatDescr_t descrA=NULL;
    cusparseMatDescr_t descrL=NULL;
    cusparseMatDescr_t descrU=NULL;
    
    magma_c_matrix hA={Magma_CSR}, hACSR={Magma_CSR}, U={Magma_CSR};
    CHECK( magma_cmtransfer( A, &hA, A.memory_location, Magma_CPU, queue ));
    U.diagorder_type = Magma_VALUE;
    CHECK( magma_cmconvert( hA, &hACSR, hA.storage_type, Magma_CSR, queue ));

    // in case using fill-in
    if( precond->levels > 0 ){
            magma_c_matrix hAL={Magma_CSR}, hAUt={Magma_CSR};
            CHECK( magma_csymbilu( &hACSR, precond->levels, &hAL, &hAUt,  queue ));
            magma_cmfree(&hAL, queue);
            magma_cmfree(&hAUt, queue);
    }

    CHECK( magma_cmconvert( hACSR, &U, Magma_CSR, Magma_CSRL, queue ));
    magma_cmfree( &hACSR, queue );
    CHECK( magma_cmtransfer(U, &(precond->M), Magma_CPU, Magma_DEV, queue ));

    // CUSPARSE context //
    CHECK_CUSPARSE( cusparseCreate( &cusparseHandle ));
    CHECK_CUSPARSE( cusparseSetStream( cusparseHandle, queue ));
    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrA ));
    CHECK_CUSPARSE( cusparseSetMatType( descrA, CUSPARSE_MATRIX_TYPE_SYMMETRIC ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrA, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrA, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrA, CUSPARSE_FILL_MODE_LOWER ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &(precond->cuinfo) ));
    CHECK_CUSPARSE( cusparseCcsrsm_analysis( cusparseHandle,
                CUSPARSE_OPERATION_NON_TRANSPOSE,
                precond->M.num_rows, precond->M.nnz, descrA,
                precond->M.dval, precond->M.drow, precond->M.dcol,
                precond->cuinfo ));
    CHECK_CUSPARSE( cusparseCcsric0( cusparseHandle, CUSPARSE_OPERATION_NON_TRANSPOSE,
                      precond->M.num_rows, descrA,
                      precond->M.dval,
                      precond->M.drow,
                      precond->M.dcol,
                      precond->cuinfo ));
    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrL ));
    CHECK_CUSPARSE( cusparseSetMatType( descrL, CUSPARSE_MATRIX_TYPE_TRIANGULAR ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrL, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrL, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrL, CUSPARSE_FILL_MODE_LOWER ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &precond->cuinfoL ));
    CHECK_CUSPARSE( cusparseCcsrsm_analysis( cusparseHandle,
        CUSPARSE_OPERATION_NON_TRANSPOSE, precond->M.num_rows,
        precond->M.nnz, descrL,
        precond->M.dval, precond->M.drow, precond->M.dcol, precond->cuinfoL ));
    CHECK_CUSPARSE( cusparseCreateMatDescr( &descrU ));
    CHECK_CUSPARSE( cusparseSetMatType( descrU, CUSPARSE_MATRIX_TYPE_TRIANGULAR ));
    CHECK_CUSPARSE( cusparseSetMatDiagType( descrU, CUSPARSE_DIAG_TYPE_NON_UNIT ));
    CHECK_CUSPARSE( cusparseSetMatIndexBase( descrU, CUSPARSE_INDEX_BASE_ZERO ));
    CHECK_CUSPARSE( cusparseSetMatFillMode( descrU, CUSPARSE_FILL_MODE_LOWER ));
    CHECK_CUSPARSE( cusparseCreateSolveAnalysisInfo( &precond->cuinfoU ));
    CHECK_CUSPARSE( cusparseCcsrsm_analysis( cusparseHandle,
        CUSPARSE_OPERATION_TRANSPOSE, precond->M.num_rows,
        precond->M.nnz, descrU,
        precond->M.dval, precond->M.drow, precond->M.dcol, precond->cuinfoU ));
    
    if( precond->maxiter < 50 ){
        //prepare for iterative solves
        
        // copy the matrix to precond->L and (transposed) to precond->U
        CHECK( magma_cmtransfer(precond->M, &(precond->L), Magma_DEV, Magma_DEV, queue ));
        CHECK( magma_cmtranspose( precond->L, &(precond->U), queue ));
        
        // extract the diagonal of L into precond->d
        CHECK( magma_cjacobisetup_diagscal( precond->L, &precond->d, queue ));
        CHECK( magma_cvinit( &precond->work1, Magma_DEV, hA.num_rows, 1, MAGMA_C_ZERO, queue ));
        
        // extract the diagonal of U into precond->d2
        CHECK( magma_cjacobisetup_diagscal( precond->U, &precond->d2, queue ));
        CHECK( magma_cvinit( &precond->work2, Magma_DEV, hA.num_rows, 1, MAGMA_C_ZERO, queue ));
    }



/*
    // to enable also the block-asynchronous iteration for the triangular solves
    CHECK( magma_cmtransfer( precond->M, &hA, Magma_DEV, Magma_CPU, queue ));
    hA.storage_type = Magma_CSR;

    magma_c_matrix hD, hR, hAt

    CHECK( magma_ccsrsplit( 256, hA, &hD, &hR, queue ));

    CHECK( magma_cmtransfer( hD, &precond->LD, Magma_CPU, Magma_DEV, queue ));
    CHECK( magma_cmtransfer( hR, &precond->L, Magma_CPU, Magma_DEV, queue ));

    magma_cmfree(&hD, queue );
    magma_cmfree(&hR, queue );

    CHECK( magma_c_cucsrtranspose(   hA, &hAt, queue ));

    CHECK( magma_ccsrsplit( 256, hAt, &hD, &hR, queue ));

    CHECK( magma_cmtransfer( hD, &precond->UD, Magma_CPU, Magma_DEV, queue ));
    CHECK( magma_cmtransfer( hR, &precond->U, Magma_CPU, Magma_DEV, queue ));
    
    magma_cmfree(&hD, queue );
    magma_cmfree(&hR, queue );
    magma_cmfree(&hA, queue );
    magma_cmfree(&hAt, queue );
*/

cleanup:
    cusparseDestroySolveAnalysisInfo( precond->cuinfo );
    cusparseDestroyMatDescr( descrL );
    cusparseDestroyMatDescr( descrU );
    cusparseDestroyMatDescr( descrA );
    cusparseDestroy( cusparseHandle );
    magma_cmfree(&U, queue );
    magma_cmfree(&hA, queue );
    
    return info;
}