Fat-trees: universal networks for hardware-efficient supercomputing
IEEE Transactions on Computers
PathFinder: a negotiation-based performance-driven router for FPGAs
FPGA '95 Proceedings of the 1995 ACM third international symposium on Field-programmable gate arrays
Hierarchical interconnection structures for field programmable gate arrays
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
FPGA '99 Proceedings of the 1999 ACM/SIGDA seventh international symposium on Field programmable gate arrays
HSRA: high-speed, hierarchical synchronous reconfigurable array
FPGA '99 Proceedings of the 1999 ACM/SIGDA seventh international symposium on Field programmable gate arrays
A generic architecture for on-chip packet-switched interconnections
DATE '00 Proceedings of the conference on Design, automation and test in Europe
Architecture and CAD for Deep-Submicron FPGAs
Architecture and CAD for Deep-Submicron FPGAs
Routing Architectures for Hierarchical Field Programmable Gate Arrays
ICCS '94 Proceedings of the1994 IEEE International Conference on Computer Design: VLSI in Computer & Processors
Design of FPGA interconnect for multilevel metallization
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Unifying mesh- and tree-based programmable interconnect
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
A new Multilevel Hierarchical MFPGA and its suitable configuration tools
ISVLSI '06 Proceedings of the IEEE Computer Society Annual Symposium on Emerging VLSI Technologies and Architectures
Mesh of Tree: Unifying Mesh and MFPGA for Better Device Performances
NOCS '07 Proceedings of the First International Symposium on Networks-on-Chip
Efficient tree topology for FPGA interconnect network
Proceedings of the 18th ACM Great Lakes symposium on VLSI
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This paper presents a new Multilevel hierarchical FPGA (MFPGA) architecture that unifies two unidirectional programmable networks: A predictible downward network based on the Butterfly-Fat-Tree topology, and an upward network using hierarchy. Studies based on the Rent's Rule show that wiring and switch requirements in the MFPGA grow slower than in traditional topologies. New tools are developed to place and route several benchmark circuits on this architecture. Experimental results based on the MCNC benchmarks show that MFPGA can implement circuits with an average gain of 40% in total area compared with mesh architecture.