Vallada, Eva; Ruiz, Rubén; Framinan, Jose M. - In: European Journal of Operational Research 240 (2015) 3, pp. 666-677
In this work a new benchmark of hard instances for the permutation flowshop scheduling problem with the objective of … minimising the makespan is proposed. The new benchmark consists of 240 large instances and 240 small instances with up to 800 … jobs and 60 machines. One of the objectives of the work is to generate a benchmark which satisfies the desired …