Publication

Parallel FPGA routing: Survey and challenges

Mirjana Stojilovic
2017
Conference Papers

Résumé

As transistor scaling is slowing down [1], other opportunities for ensuring continuous performance increase have to be explored. Field programmable gate arrays (FPGAs) are in the spotlight these days: not only due to their malleability and energy efficiency, but also because FPGAs have recently been integrated into the cloud [2]. The latter makes them available to everyone in need of the immense computing power and data throughput they can offer. However, one important issue needs to be resolved first - the time to compile an industrial-scale design for an FPGA must be drastically reduced. Researchers have been looking for ways to accelerate FPGA routing through parallelism, since routing is one of the most time-consuming compilation steps. However, the ideal solution has not been found yet. This paper provides a survey of parallel FPGA routers, with the aim to identify their strengths and weaknesses, thus suggesting directions to take in further efforts for acceleration.

Source officielle

https://infoscience.epfl.ch/entities/publication/6ba71442-802f-4974-ab5b-51af1d066c9d

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Mirjana Stojilovic
2017
Conference Papers

Résumé

Source officielle

https://infoscience.epfl.ch/entities/publication/6ba71442-802f-4974-ab5b-51af1d066c9d

À propos de ce résultat

Concepts associés (25)

Field-programmable gate array

A field-programmable gate array (FPGA) is an integrated circuit designed to be configured after manufacturing. The FPGA configuration is generally specified using a hardware description language (HDL), similar to that used for an application-specific integrated circuit (ASIC). Circuit diagrams were previously used to specify the configuration, but this is increasingly rare due to the advent of electronic design automation tools. FPGAs contain an array of programmable logic blocks, and a hierarchy of reconfigurable interconnects allowing blocks to be wired together.

Xilinx

thumb|FPGA Xilinx Spartan-3 (référence XC3S400) contenant portes logiques Xilinx (nom complet Xilinx, Inc.) est une entreprise américaine de semi-conducteurs. Inventeur du FPGA, Xilinx fait partie des plus grandes entreprises spécialisées dans le développement et la commercialisation de composants logiques programmables, et des services associés tels que les logiciels de CAO électroniques, blocs de propriété intellectuelle réutilisables et formation. Le , AMD annonce son intention de racheter Xilinx.

Programmable logic array

A programmable logic array (PLA) is a kind of programmable logic device used to implement combinational logic circuits. The PLA has a set of programmable AND gate planes, which link to a set of programmable OR gate planes, which can then be conditionally complemented to produce an output. It has 2N AND gates for N input variables, and for M outputs from PLA, there should be M OR gates, each with programmable inputs from all of the AND gates. This layout allows for many logic functions to be synthesized in the sum of products canonical forms.

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