Example #1
0
    void setup_buffer( double pAlpha, double pBeta, const std::string& path )
    {
        sparseFile = path;

        // Read sparse data from file and construct a COO matrix from it
        int nnz, row, col;
        clsparseStatus fileError = clsparseHeaderfromFile( &nnz, &row, &col, sparseFile.c_str( ) );
        if( fileError != clsparseSuccess )
            throw clsparse::io_exception( "Could not read matrix market header from disk" );


        // Now initialise a CSR matrix from the COO matrix
        clsparseInitCsrMatrix( &csrMtx );
        csrMtx.num_nonzeros = nnz;
        csrMtx.num_rows = row;
        csrMtx.num_cols = col;
        clsparseCsrMetaSize( &csrMtx, control );

        cl_int status;
        csrMtx.values = ::clCreateBuffer( ctx, CL_MEM_READ_ONLY,
            csrMtx.num_nonzeros * sizeof( T ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer csrMtx.values" );

        csrMtx.colIndices = ::clCreateBuffer( ctx, CL_MEM_READ_ONLY,
            csrMtx.num_nonzeros * sizeof( cl_int ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer csrMtx.colIndices" );

        csrMtx.rowOffsets = ::clCreateBuffer( ctx, CL_MEM_READ_ONLY,
            ( csrMtx.num_rows + 1 ) * sizeof( cl_int ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer csrMtx.rowOffsets" );

        csrMtx.rowBlocks = ::clCreateBuffer( ctx, CL_MEM_READ_ONLY,
            csrMtx.rowBlockSize * sizeof( cl_ulong ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer csrMtx.rowBlocks" );

        if(typeid(T) == typeid(float))
            fileError = clsparseSCsrMatrixfromFile( &csrMtx, sparseFile.c_str( ), control );
        else if (typeid(T) == typeid(double))
            fileError = clsparseDCsrMatrixfromFile( &csrMtx, sparseFile.c_str( ), control );
        else
            fileError = clsparseInvalidType;

        if( fileError != clsparseSuccess )
            throw std::runtime_error( "Could not read matrix market data from disk" );

        // Initialize the dense X & Y vectors that we multiply against the sparse matrix
        clsparseInitVector( &x );
        x.num_values = csrMtx.num_rows;
        x.values = ::clCreateBuffer( ctx, CL_MEM_READ_WRITE,
                                     x.num_values * sizeof( T ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer x.values" );

        clsparseInitVector( &y );
        y.num_values = csrMtx.num_cols;
        y.values = ::clCreateBuffer( ctx, CL_MEM_READ_WRITE,
                                     y.num_values * sizeof( T ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer y.values" );


    }
Example #2
0
    void setup_buffer(double pAlpha, double pBeta, const std::string& path)
    {
        sparseFile = path;

        // Read sparse data from file and construct a CSR matrix from it
        int nnz;
        int row;
        int col;
        clsparseStatus fileError = clsparseHeaderfromFile(&nnz, &row, &col, sparseFile.c_str());
        if (clsparseSuccess != fileError)
            throw std::runtime_error("Could not read matrix market header from disk");

        // Now initialize a CSR matrix from the CSR matrix
        // VK we have to handle other cases if input mtx file is not in CSR format
        clsparseInitCsrMatrix(&csrMtx);
        csrMtx.num_nonzeros = nnz;
        csrMtx.num_rows     = row;
        csrMtx.num_cols     = col;
        clsparseCsrMetaSize( &csrMtx, control );

        cl_int status;
        csrMtx.values = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY, csrMtx.num_nonzeros * sizeof(T), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.values");

        csrMtx.colIndices = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY, csrMtx.num_nonzeros * sizeof(cl_int), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.colIndices");

        csrMtx.rowOffsets = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY, (csrMtx.num_rows + 1) * sizeof(cl_int), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.rowOffsets");

        csrMtx.rowBlocks = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY, csrMtx.rowBlockSize * sizeof(cl_ulong), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.rowBlocks");

		if (typeid(T) == typeid(float))
			fileError = clsparseSCsrMatrixfromFile(&csrMtx, sparseFile.c_str(), control);
		else if (typeid(T) == typeid(double))
			fileError = clsparseDCsrMatrixfromFile(&csrMtx, sparseFile.c_str(), control);
		else
			fileError = clsparseInvalidType;

        if (fileError != clsparseSuccess)
            throw std::runtime_error("Could not read matrix market data from disk");

        // Initialize the output dense matrix
        cldenseInitMatrix(&denseMtx);
        denseMtx.major    = rowMajor;
        denseMtx.num_rows = row;
        denseMtx.num_cols = col;
		denseMtx.lead_dim = col;  // To Check!! VK;
        denseMtx.values = ::clCreateBuffer(ctx, CL_MEM_WRITE_ONLY,
                                            denseMtx.num_rows * denseMtx.num_cols * sizeof(T), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer denseMtx.values");
    }// end
Example #3
0
    void setup_buffer(double pAlpha, double pBeta, const std::string& path)
    {
        sparseFile = path;

        // Read sparse data from file and construct a CSR matrix from it
        clsparseIdx_t nnz;
        clsparseIdx_t row;
        clsparseIdx_t col;
        clsparseStatus fileError = clsparseHeaderfromFile(&nnz, &row, &col, sparseFile.c_str());
        if (clsparseSuccess != fileError)
             throw clsparse::io_exception( "Could not read matrix market header from disk: " + sparseFile );

        // Now initialize a CSR matrix from the CSR matrix
        clsparseInitCsrMatrix(&csrMtx);
        csrMtx.num_nonzeros = nnz;
        csrMtx.num_rows     = row;
        csrMtx.num_cols     = col;

        cl_int status;
        csrMtx.values = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY, csrMtx.num_nonzeros * sizeof(T), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.values");

        csrMtx.col_indices = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY, csrMtx.num_nonzeros * sizeof(clsparseIdx_t), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.col_indices");

        csrMtx.row_pointer = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY, (csrMtx.num_rows + 1) * sizeof(clsparseIdx_t), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.row_pointer");

		if (typeid(T) == typeid(float))
			fileError = clsparseSCsrMatrixfromFile( &csrMtx, sparseFile.c_str(), control, explicit_zeroes );
		else if (typeid(T) == typeid(double))
			fileError = clsparseDCsrMatrixfromFile( &csrMtx, sparseFile.c_str(), control, explicit_zeroes );
		else
			fileError = clsparseInvalidType;

        if (fileError != clsparseSuccess)
            throw std::runtime_error("Could not read matrix market data from disk: " + sparseFile);

        clsparseCsrMetaCreate(&csrMtx, control);

        // Initialize the output dense matrix
        cldenseInitMatrix(&denseMtx);
        denseMtx.major    = rowMajor;
        denseMtx.num_rows = row;
        denseMtx.num_cols = col;
        denseMtx.lead_dim = col;  // To Check!! VK;
        denseMtx.values = ::clCreateBuffer(ctx, CL_MEM_WRITE_ONLY,
                                            denseMtx.num_rows * denseMtx.num_cols * sizeof(T), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer denseMtx.values");
    }// end
Example #4
0
    void setup_buffer( double pAlpha, double pBeta, const std::string& path )
    {
        sparseFile = path;

        // Read sparse data from file and construct a COO matrix from it
		int nnz;
		int row;
		int col;
        clsparseStatus fileError = clsparseHeaderfromFile( &nnz, &row, &col, sparseFile.c_str( ) );
        if( fileError != clsparseSuccess )
            throw std::runtime_error( "Could not read matrix market header from disk" );

        // Now initialise a CSR matrix from the COO matrix
        clsparseInitCsrMatrix( &csrMtx );
        csrMtx.num_nonzeros = nnz;
        csrMtx.num_rows     = row;
        csrMtx.num_cols     = col;
		
		//clsparseCsrMetaSize( &csrMtx, control );

        cl_int status;
        csrMtx.values = ::clCreateBuffer( ctx, CL_MEM_READ_ONLY,
            csrMtx.num_nonzeros * sizeof( T ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer csrMtx.values" );

        csrMtx.colIndices = ::clCreateBuffer( ctx, CL_MEM_READ_ONLY,
            csrMtx.num_nonzeros * sizeof( cl_int ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer csrMtx.colIndices" );

        csrMtx.rowOffsets = ::clCreateBuffer( ctx, CL_MEM_READ_ONLY,
            ( csrMtx.num_rows + 1 ) * sizeof( cl_int ), NULL, &status );
        CLSPARSE_V( status, "::clCreateBuffer csrMtx.rowOffsets" );

        if(typeid(T) == typeid(float))
            fileError = clsparseSCsrMatrixfromFile( &csrMtx, sparseFile.c_str( ), control );
        else if (typeid(T) == typeid(double))
            fileError = clsparseDCsrMatrixfromFile( &csrMtx, sparseFile.c_str( ), control );
        else
            fileError = clsparseInvalidType;

        if( fileError != clsparseSuccess )
            throw std::runtime_error( "Could not read matrix market data from disk" );

		// Initialize the input dense matrix
		cldenseInitMatrix(&A);
		A.major    = rowMajor;
		A.num_rows = row;
		A.num_cols = col;
		A.lead_dim = col;  // To Check!! VK;
		A.values = clCreateBuffer(ctx, CL_MEM_READ_WRITE,
			                      row * col * sizeof(T), NULL, &status);
		CLSPARSE_V(status, "::clCreateBuffer A.values");
		      
        if(typeid(T) == typeid(float))
		{
			clsparseScsr2dense(&csrMtx, &A, control);
		}
		else if (typeid(T) == typeid(double))
		{
			clsparseDcsr2dense(&csrMtx, &A, control);
		}          
		// Check whether we need any barrier here: clFinish(queue)

		// Output CSR Matrix
		clsparseInitCsrMatrix(&csrMatx);
		csrMatx.num_cols     = csrMtx.num_cols;
		csrMatx.num_rows     = csrMtx.num_rows;
		csrMatx.num_nonzeros = csrMtx.num_nonzeros;

        csrMatx.values = ::clCreateBuffer( ctx, CL_MEM_WRITE_ONLY,
                                           csrMtx.num_nonzeros * sizeof( T ), NULL, &status );
		CLSPARSE_V(status, "::clCreateBuffer csrMatx.values");

        csrMatx.colIndices = ::clCreateBuffer( ctx, CL_MEM_WRITE_ONLY,
                                           csrMtx.num_nonzeros * sizeof( cl_int ), NULL, &status );
		CLSPARSE_V(status, "::clCreateBuffer csrMatx.colIndices");

        csrMatx.rowOffsets = ::clCreateBuffer( ctx, CL_MEM_WRITE_ONLY,
                                           (csrMtx.num_rows + 1) * sizeof( cl_int ), NULL, &status );
		CLSPARSE_V(status, "::clCreateBuffer csrMatx.rowOffsets");                       
    }// End of function
Example #5
0
    void setup_buffer(double pAlpha, double pBeta, const std::string& path)
    {
        sparseFile = path;

        alpha = static_cast<T>(pAlpha);
        beta = static_cast<T>(pBeta);

        // Read sparse data from file and construct a COO matrix from it
        clsparseIdx_t nnz, row, col;
        clsparseStatus fileError = clsparseHeaderfromFile(&nnz, &row, &col, sparseFile.c_str());
        if (fileError != clsparseSuccess)
            throw clsparse::io_exception("Could not read matrix market header from disk");

        // Now initialize a CSR matrix from the COO matrix
        clsparseInitCsrMatrix(&csrMtx);
        csrMtx.num_nonzeros = nnz;
        csrMtx.num_rows = row;
        csrMtx.num_cols = col;
        //clsparseCsrMetaSize(&csrMtx, control);

        cl_int status;
        csrMtx.values = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY,
            csrMtx.num_nonzeros * sizeof(T), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.values");

        csrMtx.col_indices = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY,
            csrMtx.num_nonzeros * sizeof(clsparseIdx_t), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.col_indices");

        csrMtx.row_pointer = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY,
            (csrMtx.num_rows + 1) * sizeof(clsparseIdx_t), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.row_pointer");
#if 0
        csrMtx.rowBlocks = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY,
            csrMtx.rowBlockSize * sizeof(cl_ulong), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer csrMtx.rowBlocks");
#endif

        if (typeid(T) == typeid(float))
            fileError = clsparseSCsrMatrixfromFile( &csrMtx, sparseFile.c_str(), control, explicit_zeroes );
        else if (typeid(T) == typeid(double))
            fileError = clsparseDCsrMatrixfromFile( &csrMtx, sparseFile.c_str(), control, explicit_zeroes );
        else
            fileError = clsparseInvalidType;

        if (fileError != clsparseSuccess)
            throw clsparse::io_exception("Could not read matrix market data from disk");

        // Initilize the output CSR Matrix
        clsparseInitCsrMatrix(&csrMtxC);

        // Initialize the scalar alpha & beta parameters
        clsparseInitScalar(&a);
        a.value = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY,
                             1 * sizeof(T), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer a.value");

        clsparseInitScalar(&b);
        b.value = ::clCreateBuffer(ctx, CL_MEM_READ_ONLY,
            1 * sizeof(T), NULL, &status);
        CLSPARSE_V(status, "::clCreateBuffer b.value");

        //std::cout << "Flops = " << xSpMSpM_Getflopcount() << std::endl;
        flopCnt = xSpMSpM_Getflopcount();

    }// end of function