Research Article

Two-Round Diagnosability Measures for Multiprocessor Systems

Algorithm 2

Fast identification.
Input:
 An undirected graph with , a positive integer and a syndrome .
(i)Output:
 A fault set , a fault-free node set and a second-round fault set , where .
(1)  Let and .
 For any , perform ; .
 while , let , and .
(2)  While , output and . Otherwise, go to Step 3.
(3)  While , let , output and .
 Otherwise, repair the faulty nodes in and execute
 Best until . Additionally, output subsets , , and .
 Best :
 For any , if (), then ; otherwise, .