COMPACT: A hybrid method for compressing test data

被引：40

作者：

Ishida, M ^{[1
]}

Ha, DS ^{[1
]}

Yamaguchi, T ^{[1
]}

机构：

[1] Advantest Labs Ltd, Aoba Ku, Sendai, Miyagi 98931, Japan

来源：

16TH IEEE VLSI TEST SYMPOSIUM, PROCEEDINGS | 1998年

关键词：

D O I：

10.1109/VTEST.1998.670850

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

The overall throughput of automatic test equipment (ATE) is sensitive to the download time of test data. An effective approach to the reduction of the download time is to compress rest data before the download. The authors introduced a rest data compression method which outperforms other methods for compressing test data [8] Our previous method is based on the Burrows-Wheeler transformation on the sequence of test patterns and runlength coding. In this paper, we present a new method, called COMPACT, which further improves our previous method The key idea of COMPACT is to employ two data compression schemes, run-length coding for data with low activity and GZIP for data with high activity. COMPACT increases the compression ratio of rest data, on average, by 1.9 times compared with our previous method.

引用

页码：62 / 69

页数：8