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The VPR toolset [6, 7] has been widely used to perform FPGA architecture and CAD research, but has not evolved over the past decade to include many architectural features now present in modern FPGAs. This paper describes a new version of the toolset that includes four significant features: first, it now supports a broad range of single-driver routing(More)
Large circuits, whether they are arithmetic, digital signal processing, switching, or processors, typically contain a greater portion of highly regular datapath logic. Datapath synthesis algorithms preserve these regular structures, so they can be exploited by packing, placement, and routing tools for speed or density. Typical datapath synthesis algorithms(More)
In this paper, we investigate the use of Field-Programmable Gate Arrays (FPGAs) in the design of a highly scalable Variable Block Size Motion Estimation architecture for the H.264/AVC video encoding standard. The scalability of the architecture allows one to incorporate the system into low cost single FPGA solutions for low-resolution video encoding(More)
—As the logic capacity of field-programmable gate arrays (FPGAs) increases, they are being increasingly used to implement large arithmetic-intensive applications. Large arithmetic intensive applications often contain a large proportion of datapath circuits. Since datapath circuits are designed to process multiple-bit-wide data, FPGAs implementing these(More)