Don't Care Discovery for FPGA Configuration Compression

One of the major overheads in reconfigurable computing is the time it takes to reconfigure the devices in the system. The configuration compression algorithm presented in our previous work [1] is one efficient technique for reducing this overhead. In this paper, we develop an algorithm for finding Don’t Care bits in configurations to improve the compatibility of the configuration data. With the help of the Don’t Cares, higher configuration compression ratios can be achieved by using our modified configuration compression algorithm. This achieves a compression ratio of a factor of 7, where our previous algorithm only achieved a factor of 4.

• Type: Conference
• Year: 1999
• Where: FPGA
• Authors: Zhiyuan Li, Scott Hauck
• Keywords: Compression Ratio, Configuration Compression Algorithm, Configuration Compression Ratios, FPGA, FPGA 1999