NDLI: Reconfigurable custom floating-point instructions (abstract only)

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FPGA-2010 pre-conference workshop on open-source for FPGA

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Reconfigurable custom floating-point instructions (abstract only)

Content Provider	ACM Digital Library
Author	Forin, Alessandro Jin, Zhanpeng Pittman, Richard Neil
Abstract	Multimedia and communication algorithms from the embedded system domain often make extensive use of floating-point arithmetic. Due to the complexity and expense of the floating-point hardware, these algorithms are usually converted to fixed point operations, or implemented using floating-point emulation in software. This study presents the design and implementation of custom floating-point units, leveraging the partial reconfiguration feature of state-of-the-art FPGAs. The custom floating-point units can be dynamically configured, loaded, and executed when needed by software applications. The system is binary compliant with the conventional MIPS architecture and the IEEE-754 standard, and supports most of the floating-point operations and relevant functionalities. Furthermore, we investigate various customization strategies and construct a set of optimized functional modules to meet different application demands or requirements. Using LINPACK as a floating-point intensive example, we replace a sequence of 25 instructions with a custom unit, and demonstrate an overall 80x application speedup.
Starting Page	287
Ending Page	287
Page Count	1
ISBN	9781605589114
DOI	10.1145/1723112.1723173
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-02-21
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Extension Partial reconfiguration Floating-point Emips Reconfigurable
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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Reconfigurable custom floating-point instructions (abstract only)

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