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Evaluation of On-Chip Interfaces for Dynamically Reconfigurable Coprocessors

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3 Author(s)
Griese, B. ; Dept. of Electr. Eng., Paderborn Univ. ; Kettelhoit, B. ; Porrmann, M.

Dynamically reconfigurable FPGAs are well known to combine the flexibility of software with the performance of application specific hardware. As such they can be used as powerful but still flexible coprocessors in embedded processor systems. In this paper we analyze different variants for interfacing reconfigurable hardware from an embedded processor. We describe three different on-chip buses and evaluate their usability for dynamically reconfigurable systems. In addition, we analyze the communication latencies and the speed-up factor of a hardware accelerator for floating point operations for a total of eight different coupling variants

Published in:

Parallel Computing in Electrical Engineering, 2006. PAR ELEC 2006. International Symposium on

Date of Conference:

13-17 Sept. 2006