OR-Library

J E Beasley

OR-Library is a collection of test data sets for a variety of OR problems.

A full list of the test data sets available in OR-Library can be found here.

Integer (and mixed-integer) programming

OR-Library does not have any test problems for pure (or mixed) integer programming problems.

However tests problems are available from MIPLIB, updated at MIPLIB 2010.

Other test problems are available here, here and here