Performance of parallel branch-and-bound algorithms
Ten‐Hwang Lai, Alan Sprague · IEEE Transactions on Computers · 1985
Consideration is given to the performance of parallel best-bound-first branch-and-bound algorithms in which several nodes with least lower bounds are expanded simultaneously. It is well known that anomalies may occur in the execution of a parallel branch-and-bound algorithm. The authors show the conditions under which anomalies are guaranteed not to occur when the number of processors is doubled, or not even doubled.