Research Article

Sparse Cholesky Factorization on FPGA Using Parameterized Model

Table 1

Variables that we define and their descriptions.

AOsThe amount of operations for decomposing matrix
RWThe data volume transferred between DDR3 and FPGA on-chip memory
BWThe available bandwidth between DDR3 and FPGA
OPVByte/Flop ratio, that is
The total computing time for of a PE
The total computing time for of a PE
Computing time of decomposing one node
The amount of nonzeros in matrix
 The amount of nodes in the level of the elimination tree,
 The amount of operations for decomposing matrix
The amount of the nonzero entries in th column of
The amount of the nonzero entries of