public BenchmarkResult(MatrixFile file, int rows, int columns, int nnz)
        {
            File = file;

            RowCount      = rows;
            ColumnCount   = columns;
            NonZerosCount = nnz;
        }
 public BenchmarkResult(MatrixFile file, string message)
 {
     File      = file;
     Exception = message;
 }