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ACM Transactions on Reconfigurable Technology and Systems (TRETS) - Special Section on FPL 2013, Volume 8 Issue 2, April 2015

Imprecise Datapath Design: An Overclocking Approach
Kan Shi, David Boland, George A. Constantinides
Article No.: 6
DOI: 10.1145/2629527

In this article, we describe an alternative circuit design methodology when considering trade-offs between accuracy, performance, and silicon area. We compare two different approaches that could trade accuracy for performance. One is the...

Parallelizing Data Processing on FPGAs with Shifter Lists
Louis Woods, Gustavo Alonso, Jens Teubner
Article No.: 7
DOI: 10.1145/2629551

Parallelism is currently seen as a mechanism to minimize the impact of the power and heat dissipation problems encountered in modern hardware. Data parallelism—based on partitioning the data—and pipeline parallelism—based on...

Section: Imprecise Datapath Design

Guest Editorial FPL 2013
João M. P. Cardoso, Pedro C. Diniz, Katherine (Compton) Morrow
Article No.: 8
DOI: 10.1145/2737805

A Runtime FPGA Placement and Routing Using Low-Complexity Graph Traversal
Ricardo Ferreira, Luciana Rocha, André G. Santos, José A. M. Nacif, Stephan Wong, Luigi Carro
Article No.: 9
DOI: 10.1145/2660775

Dynamic Partial Reconfiguration (DPaR) enables efficient allocation of logic resources by adding new functionalities or by sharing and/or multiplexing resources over time. Placement and routing (P&R) is one of the most time-consuming steps in the...

Timing-Driven Titan: Enabling Large Benchmarks and Exploring the Gap between Academic and Commercial CAD
Kevin E. Murray, Scott Whitty, Suya Liu, Jason Luu, Vaughn Betz
Article No.: 10
DOI: 10.1145/2629579

Benchmarks play a key role in Field-Programmable Gate Array (FPGA) architecture and CAD research, enabling the quantitative comparison of tools and architectures. It is important that these benchmarks reflect modern large-scale systems that make...

Solving the Global Atmospheric Equations through Heterogeneous Reconfigurable Platforms
Lin Gan, Haohuan Fu, Wayne Luk, Chao Yang, Wei Xue, Xiaomeng Huang, Youhui Zhang, Guangwen Yang
Article No.: 11
DOI: 10.1145/2629581

One of the most essential and challenging components in climate modeling is the atmospheric model. To solve multiphysical atmospheric equations, developers have to face extremely complex stencil kernels that are costly in terms of both computing...

Autonomous Soft-Error Tolerance of FPGA Configuration Bits
Anup Das, Shyamsundar Venkataraman, Akash Kumar
Article No.: 12
DOI: 10.1145/2629580

Field-programmable gate arrays (FPGAs) are increasingly susceptible to radiation-induced single event upsets (SEUs). These upsets are predominant in a space environment; however, with increasing use of static RAM (SRAM) in modern FPGAs, these SEUs...

A Hash Table for Line-Rate Data Processing
Zsolt István, Gustavo Alonso, Michaela Blott, Kees Vissers
Article No.: 13
DOI: 10.1145/2629582

FPGA-based data processing is becoming increasingly relevant in data centers, as the transformation of existing applications into dataflow architectures can bring significant throughput and power benefits. Furthermore, a tighter integration of...