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    • 3. 发明授权
    • System and method for storing a sparse matrix
    • 用于存储稀疏矩阵的系统和方法
    • US08612723B2
    • 2013-12-17
    • US12115805
    • 2008-05-06
    • Scott Michael BurkartMatthew Pascal DeLaquilDeepak PrasannaJoshua David Anderson
    • Scott Michael BurkartMatthew Pascal DeLaquilDeepak PrasannaJoshua David Anderson
    • G06F12/00
    • G06F12/0615G06F12/0207G06F17/16
    • A system and method for storing and retrieving a sparse matrix from memory of a computing device while minimizing the amount of data stored and costly jumps in memory. The computing device may be an FPGA having memory and processing elements. The method comprises storing non-zero data elements of the matrix in a data array and storing their corresponding column address values in a column index array. To read this stored data from memory, each preceding value of the column index array may be compared with each current value of the column index array to determine if the data array value corresponding with the current column index array value belongs on the next row of the matrix. The method may include pre-ordering the matrix with zero-pad placeholders or creating a row increment pointer array which typically stores fewer values than the number of rows in the matrix.
    • 一种用于在计算设备的存储器中存储和检索稀疏矩阵的系统和方法,同时最小化存储的数据量和存储器中昂贵的跳跃。 计算设备可以是具有存储器和处理元件的FPGA。 该方法包括将矩阵的非零数据元素存储在数据阵列中,并将其对应的列地址值存储在列索引数组中。 为了从存储器读取存储的数据,可以将列索引数组的每个先前值与列索引数组的每个当前值进行比较,以确定与当前列索引数组值相对应的数据数组值是否属于 矩阵。 该方法可以包括使用零焊盘占位符预先排序矩阵,或者创建通常存储比矩阵中的行数更少的值的行增量指针数组。
    • 4. 发明申请
    • SYSTEM & METHOD FOR STORING A SPARSE MATRIX
    • 用于存储稀疏矩阵的系统和方法
    • US20090282207A1
    • 2009-11-12
    • US12115805
    • 2008-05-06
    • Scott Michael BurkartMatthew Pascal DeLaquilDeepak PrasannaJoshua David Anderson
    • Scott Michael BurkartMatthew Pascal DeLaquilDeepak PrasannaJoshua David Anderson
    • G06F12/02
    • G06F12/0615G06F12/0207G06F17/16
    • A system and method for storing and retrieving a sparse matrix from memory of a computing device while minimizing the amount of data stored and costly jumps in memory. The computing device may be an FPGA having memory and processing elements. The method comprises storing non-zero data elements of the matrix in a data array and storing their corresponding column address values in a column index array. To read this stored data from memory, each preceding value of the column index array may be compared with each current value of the column index array to determine if the data array value corresponding with the current column index array value belongs on the next row of the matrix. The method may include pre-ordering the matrix with zero-pad placeholders or creating a row increment pointer array which typically stores fewer values than the number of rows in the matrix.
    • 一种用于在计算设备的存储器中存储和检索稀疏矩阵的系统和方法,同时最小化存储的数据量和存储器中昂贵的跳跃。 计算设备可以是具有存储器和处理元件的FPGA。 该方法包括将矩阵的非零数据元素存储在数据阵列中,并将其对应的列地址值存储在列索引数组中。 为了从存储器读取存储的数据,可以将列索引数组的每个先前值与列索引数组的每个当前值进行比较,以确定与当前列索引数组值相对应的数据数组值是否属于 矩阵。 该方法可以包括使用零焊盘占位符预先排序矩阵,或者创建通常存储比矩阵中的行数更少的值的行增量指针数组。