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

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

    real_Double_t res;
    magma_s_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_sparse_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_sm_5stencil(  laplace_size, &A, queue ));
        } else {                        // file-matrix test
            CHECK( magma_s_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_smscale( &A, zopts.scaling, queue ));

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

        // convert, copy back and forth to check everything works
        CHECK( magma_smconvert( AT, &B, Magma_CSR, Magma_CSR, queue ));
        magma_smfree(&AT, queue );
        CHECK( magma_smtransfer( B, &B_d, Magma_CPU, Magma_DEV, queue ));
        magma_smfree(&B, queue );

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


        CHECK( magma_smtransfer( B_d, &B, Magma_DEV, Magma_CPU, queue ));
        magma_smfree(&B_d, queue );
        CHECK( magma_smconvert( B, &AT, Magma_CSR, Magma_CSR, queue ));
        magma_smfree(&B, queue );

        // transpose back
        CHECK( magma_smtranspose( AT, &A2, queue ));
        magma_smfree(&AT, queue );
        CHECK( magma_smdiff( 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_smfree(&A, queue );
        magma_smfree(&A2, queue );

        i++;
    }
    
cleanup:
    magma_smfree(&AT, queue );
    magma_smfree(&B, queue );
    magma_smfree(&A, queue );
    magma_smfree(&A2, queue );
    magma_queue_destroy( queue );
    TESTING_FINALIZE();
    return info;
}
Exemple #2
0
/* ////////////////////////////////////////////////////////////////////////////
   -- testing any solver 
*/
int main(  int argc, char** argv )
{
    TESTING_INIT();

    magma_sopts zopts;
    magma_queue_t queue;
    magma_queue_create( /*devices[ opts->device ],*/ &queue );
    
    int i=1;
    magma_sparse_opts( argc, argv, &zopts, &i, queue );


    real_Double_t res;
    magma_s_sparse_matrix Z, A, AT, A2, B, B_d;

    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] );
            magma_sm_5stencil(  laplace_size, &Z, queue );
        } else {                        // file-matrix test
            magma_s_csr_mtx( &Z,  argv[i], queue );
        }

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

        // scale matrix
        magma_smscale( &Z, zopts.scaling, queue );

        // remove nonzeros in matrix
        magma_smcsrcompressor( &Z, queue );
        
        // convert to be non-symmetric
        magma_s_mconvert( Z, &A, Magma_CSR, Magma_CSRL, queue );
        
        // transpose
        magma_s_mtranspose( A, &AT, queue );

        // convert, copy back and forth to check everything works
        printf("here0\n");
        magma_s_mconvert( AT, &B, Magma_CSR, zopts.output_format, queue );
        magma_s_mfree(&AT, queue );
        magma_s_mtransfer( B, &B_d, Magma_CPU, Magma_DEV, queue );
        magma_s_mfree(&B, queue );
        magma_smcsrcompressor_gpu( &B_d, queue );
        magma_s_mtransfer( B_d, &B, Magma_DEV, Magma_CPU, queue );
        magma_s_mfree(&B_d, queue );
        magma_s_mconvert( B, &AT, zopts.output_format,Magma_CSR, queue );      
        magma_s_mfree(&B, queue );

        // transpose back
        magma_s_mtranspose( AT, &A2, queue );
        magma_s_mfree(&AT, queue );
        magma_smdiff( A, A2, &res, queue);
        printf("# ||A-B||_F = %8.2e\n", res);
        if ( res < .000001 )
            printf("# tester:  ok\n");
        else
            printf("# tester:  failed\n");

        magma_s_mfree(&A, queue ); 
        magma_s_mfree(&A2, queue );
        magma_s_mfree(&Z, queue ); 

        i++;
    }
    magma_queue_destroy( queue );
    TESTING_FINALIZE();
    return 0;
}