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2008
IEEE

Don't forget memories: a case study redesigning a pattern counting ASIC circuit for FPGAs

9 years 8 months ago
Don't forget memories: a case study redesigning a pattern counting ASIC circuit for FPGAs
Modern embedded compute platforms increasingly contain both microprocessors and field-programmable gate arrays (FPGAs). The FPGAs may implement accelerators or other circuits to speedup performance. Many such circuits have been previously designed for acceleration via application-specific integrated circuits (ASICs). Redesigning an ASIC circuit for FPGA implementation involves several challenges. We describe a case study that highlights a common challenge related to memories. The study involves converting a pattern counting circuit architecture, based on a pipelined binary tree and originally designed for ASIC implementation, into a circuit suitable for FPGAs. The original ASIC-oriented circuit, when mapped to a Spartan 3e FPGA, could process 10 million patterns per second and handle up to 4,096 patterns. The redesigned circuit could instead process 100 million patterns per second and handle up to 32,768 patterns, representing a 10x performance improvement and a 4x utilization improve...
David Sheldon, Frank Vahid
Added 29 May 2010
Updated 29 May 2010
Type Conference
Year 2008
Where CODES
Authors David Sheldon, Frank Vahid
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