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中文摘要：
研究和设计了一种面向多媒体应用的32位短向量快速加法器，该加法器以SK型并行前缀加法器为基础，通过有效控制进位链，实现了同时执行4个基于字节的加法，或者2个基于半字的加法，或者1个基于字的加法，或者1个基于单精度浮点数的比较运算．综合结果表明，此设计方法同传统的设计方法相比，电路面积接近，时序提高了10％，总体性能较优．
英文摘要：
This paper studies and designs a novel 32-bit short vectors fast adder for multimedia application. The adder, which is based on Sklansky Parallel-Prefix adder, by controlling the carry chain, realizes both of four and two paralleled addition operations, with 8-bit and 16-bit addends respectively. It also supports one addition operation with 32-bit addends, as well as the comparison operation between single-precision floating-point data. Synthesis shows that, compared with traditional design, the overall performance of our novel adder is better, with a circuit area approach and a timing improved by 10 percent.
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