Title
A flexible DSP block to enhance FPGA arithmetic performance
Abstract
We propose a new DSP block for use in modern high-performance FPGAs. Current DSP blocks contain fixed-bitwidth multipliers that can be combined efficiently to form larger multipliers. Our approach is similar, but includes a bypass layer following the partial product generator that exposes the compressor tree used for partial product reduction directly to the user. As a consequence, the proposed DSP block can accelerate multi-input addition operations in addition to multiplication. To increase the flexibility of the device, the partial product reduction tree used within our DSP block uses a fixed-function compression logic along with a field programmable compressor tree (FPCT), the latter of which is user-configurable to meet the needs of the application at hand. Multi-input addition operations can be mapped directly onto the FPCT without compromising any of the other functionality of the DSP block.
Year
DOI
Venue
2009
10.1109/FPT.2009.5377638
Sydney, NSW
Keywords
Field
DocType
digital signal processing chips,field programmable gate arrays,DSP block,FPGA arithmetic performance,field programmable compressor tree,fixed-bitwidth multipliers,fixed-function compression logic,multi-input addition operations,partial product generator
Partial product,Digital signal processing,Adder,Computer science,Parallel computing,Field-programmable gate array,Gas compressor,Multiplication,Computer hardware,Partial product reduction,Embedded system
Conference
ISBN
Citations 
PageRank 
978-1-4244-4377-2
3
0.43
References 
Authors
21
4
Name
Order
Citations
PageRank
Parandeh-Afshar, H.130.43
Cevrero, A.230.43
Athanasopoulos, P.330.43
Philip Brisk478660.63